Demographics Table
Demographic Data Report for United States by County
Population: Sex - Female
All Ages, All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Female)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| United States | N/A | 50.5 | 169,114,481 | N/A |
| Abbeville County, South Carolina | Rural | 50.9 | 12,433 | 669 |
| Acadia Parish, Louisiana | Urban | 51.1 | 29,087 | 546 |
| Accomack County, Virginia | Rural | 50.9 | 16,972 | 669 |
| Ada County, Idaho | Urban | 49.6 | 257,481 | 1,906 |
| Adair County, Iowa | Rural | 49.7 | 3,707 | 1,826 |
| Adair County, Kentucky | Rural | 49.4 | 9,423 | 2,068 |
| Adair County, Missouri | Rural | 51.9 | 13,119 | 231 |
| Adair County, Oklahoma | Rural | 49.7 | 9,726 | 1,826 |
| Adams County, Colorado | Urban | 49.2 | 260,826 | 2,195 |
| Adams County, Idaho | Rural | 48.8 | 2,314 | 2,422 |
| Adams County, Illinois | Rural | 50.7 | 32,842 | 832 |
| Adams County, Indiana | Rural | 49.9 | 18,083 | 1,623 |
| Adams County, Iowa | Rural | 49.9 | 1,808 | 1,623 |
| Adams County, Mississippi | Rural | 50.6 | 14,580 | 922 |
| Adams County, Nebraska | Rural | 50.4 | 15,643 | 1,106 |
| Adams County, North Dakota | Rural | 49.6 | 1,064 | 1,906 |
| Adams County, Ohio | Rural | 50.2 | 13,818 | 1,309 |
| Adams County, Pennsylvania | Urban | 50.2 | 53,283 | 1,309 |
| Adams County, Washington | Rural | 49.1 | 10,207 | 2,258 |
| Adams County, Wisconsin | Rural | 45.6 | 9,630 | 2,963 |
| Addison County, Vermont | Rural | 50.1 | 18,853 | 1,408 |
| Aiken County, South Carolina | Urban | 51.6 | 89,791 | 316 |
| Aitkin County, Minnesota | Rural | 49.5 | 7,941 | 1,993 |
| Alachua County, Florida | Urban | 51.8 | 147,839 | 261 |
| Alamance County, North Carolina | Urban | 52.1 | 92,151 | 187 |
| Alameda County, California | Urban | 50.4 | 830,642 | 1,106 |
| Alamosa County, Colorado | Rural | 50.1 | 8,303 | 1,408 |
| Albany County, New York | Urban | 51.4 | 162,911 | 388 |
| Albany County, Wyoming | Rural | 47.4 | 18,142 | 2,813 |
| Albemarle County, Virginia | Urban | 52.0 | 59,722 | 205 |
| Alcona County, Michigan | Rural | 49.9 | 5,187 | 1,623 |
| Alcorn County, Mississippi | Rural | 50.9 | 17,467 | 669 |
| Aleutians East Borough, Alaska | Rural | 39.1 | 1,366 | 3,106 |
| Aleutians West Census Area, Alaska | Rural | 29.0 | 1,517 | 3,141 |
| Alexander County, Illinois | Urban | 50.9 | 2,483 | 669 |
| Alexander County, North Carolina | Urban | 48.8 | 17,773 | 2,422 |
| Alexandria City, Virginia | Urban | 51.5 | 80,790 | 351 |
| Alfalfa County, Oklahoma | Rural | 36.0 | 2,048 | 3,126 |
| Alger County, Michigan | Rural | 43.3 | 3,796 | 3,054 |
| Allamakee County, Iowa | Rural | 49.0 | 6,911 | 2,330 |
| Allegan County, Michigan | Rural | 49.7 | 60,393 | 1,826 |
| Allegany County, Maryland | Rural | 47.7 | 32,175 | 2,752 |
| Allegany County, New York | Rural | 49.1 | 23,141 | 2,258 |
| Alleghany County and Clifton Forge City, Virginia | Rural | 50.4 | 7,486 | 1,106 |
| Alleghany County, North Carolina | Rural | 50.6 | 5,655 | 922 |
| Allegheny County, Pennsylvania | Urban | 51.2 | 633,973 | 486 |
| Allen County, Indiana | Urban | 50.8 | 199,256 | 748 |
| Allen County, Kansas | Rural | 50.9 | 6,360 | 669 |
| Allen County, Kentucky | Urban | 50.6 | 10,769 | 922 |
| Allen County, Ohio | Urban | 50.1 | 50,743 | 1,408 |
| Allen Parish, Louisiana | Rural | 44.0 | 9,882 | 3,036 |
| Allendale County, South Carolina | Rural | 45.9 | 3,519 | 2,948 |
| Alpena County, Michigan | Rural | 50.1 | 14,468 | 1,408 |
| Alpine County, California | Rural | 50.2 | 812 | 1,309 |
| Amador County, California | Rural | 45.3 | 18,752 | 2,977 |
| Amelia County, Virginia | Urban | 50.7 | 6,828 | 832 |
| Amherst County, Virginia | Urban | 51.6 | 16,258 | 316 |
| Amite County, Mississippi | Rural | 53.0 | 6,654 | 72 |
| Anchorage Borough, Alaska | Urban | 48.9 | 141,337 | 2,376 |
| Anderson County, Kansas | Rural | 50.9 | 3,990 | 669 |
| Anderson County, Kentucky | Rural | 49.8 | 12,139 | 1,728 |
| Anderson County, South Carolina | Urban | 51.6 | 108,669 | 316 |
| Anderson County, Tennessee | Urban | 50.8 | 40,249 | 748 |
| Anderson County, Texas | Rural | 38.9 | 22,723 | 3,109 |
| Andrew County, Missouri | Urban | 49.8 | 9,005 | 1,728 |
| Andrews County, Texas | Rural | 51.1 | 9,506 | 546 |
| Androscoggin County, Maine | Urban | 50.7 | 57,528 | 832 |
| Angelina County, Texas | Rural | 50.9 | 44,457 | 669 |
| Anne Arundel County, Maryland | Urban | 50.3 | 300,934 | 1,216 |
| Anoka County, Minnesota | Urban | 49.7 | 184,112 | 1,826 |
| Anson County, North Carolina | Urban | 48.5 | 10,814 | 2,549 |
| Antelope County, Nebraska | Rural | 49.4 | 3,114 | 2,068 |
| Antrim County, Michigan | Rural | 49.8 | 12,013 | 1,728 |
| Apache County, Arizona | Rural | 50.7 | 33,124 | 832 |
| Appanoose County, Iowa | Rural | 49.7 | 6,060 | 1,826 |
| Appling County, Georgia | Rural | 49.3 | 9,120 | 2,129 |
| Appomattox County, Virginia | Urban | 51.1 | 8,482 | 546 |
| Aransas County, Texas | Urban | 50.9 | 12,657 | 669 |
| Arapahoe County, Colorado | Urban | 50.1 | 330,484 | 1,408 |
| Archer County, Texas | Urban | 49.3 | 4,374 | 2,129 |
| Archuleta County, Colorado | Rural | 49.2 | 6,838 | 2,195 |
| Arenac County, Michigan | Rural | 48.9 | 7,369 | 2,376 |
| Arkansas County, Arkansas | Rural | 51.5 | 8,506 | 351 |
| Arlington County, Virginia | Urban | 49.7 | 117,352 | 1,826 |
| Armstrong County, Pennsylvania | Urban | 49.9 | 32,231 | 1,623 |
| Armstrong County, Texas | Urban | 54.1 | 986 | 26 |
| Aroostook County, Maine | Rural | 50.0 | 33,499 | 1,520 |
| Arthur County, Nebraska | Rural | 45.7 | 221 | 2,958 |
| Ascension Parish, Louisiana | Urban | 50.7 | 66,069 | 832 |
| Ashe County, North Carolina | Rural | 50.8 | 13,703 | 748 |
| Ashland County, Ohio | Rural | 50.4 | 26,331 | 1,106 |
| Ashland County, Wisconsin | Rural | 49.1 | 7,902 | 2,258 |
| Ashley County, Arkansas | Rural | 52.3 | 9,635 | 150 |
| Ashtabula County, Ohio | Urban | 48.9 | 47,488 | 2,376 |
| Asotin County, Washington | Urban | 50.9 | 11,427 | 669 |
| Assumption Parish, Louisiana | Urban | 51.1 | 10,463 | 546 |
| Atascosa County, Texas | Urban | 50.2 | 25,628 | 1,309 |
| Atchison County, Kansas | Rural | 50.6 | 8,209 | 922 |
| Atchison County, Missouri | Rural | 50.0 | 2,596 | 1,520 |
| Athens County, Ohio | Rural | 50.2 | 31,005 | 1,309 |
| Atkinson County, Georgia | Rural | 51.1 | 4,264 | 546 |
| Atlantic County, New Jersey | Urban | 51.3 | 141,815 | 440 |
| Atoka County, Oklahoma | Rural | 44.4 | 6,389 | 3,024 |
| Attala County, Mississippi | Rural | 52.6 | 9,214 | 103 |
| Audrain County, Missouri | Rural | 51.9 | 12,750 | 231 |
| Audubon County, Iowa | Rural | 51.4 | 2,877 | 388 |
| Auglaize County, Ohio | Rural | 49.6 | 22,867 | 1,906 |
| Augusta County, Virginia | Urban | 48.8 | 38,053 | 2,422 |
| Aurora County, South Dakota | Rural | 46.9 | 1,239 | 2,871 |
| Austin County, Texas | Urban | 48.8 | 15,224 | 2,422 |
| Autauga County, Alabama | Urban | 51.4 | 30,821 | 388 |
| Avery County, North Carolina | Rural | 46.3 | 8,179 | 2,924 |
| Avoyelles Parish, Louisiana | Rural | 49.7 | 19,334 | 1,826 |
| Baca County, Colorado | Rural | 50.6 | 1,735 | 922 |
| Bacon County, Georgia | Rural | 51.0 | 5,664 | 616 |
| Bailey County, Texas | Rural | 49.5 | 3,419 | 1,993 |
| Baker County, Florida | Urban | 46.1 | 13,104 | 2,935 |
| Baker County, Georgia | Rural | 52.6 | 1,468 | 103 |
| Baker County, Oregon | Rural | 48.1 | 8,094 | 2,666 |
| Baldwin County, Alabama | Urban | 51.3 | 126,629 | 440 |
| Baldwin County, Georgia | Rural | 49.4 | 21,561 | 2,068 |
| Ballard County, Kentucky | Urban | 49.1 | 3,759 | 2,258 |
| Baltimore City, Maryland | Urban | 53.5 | 306,638 | 37 |
| Baltimore County, Maryland | Urban | 52.5 | 446,536 | 118 |
| Bamberg County, South Carolina | Rural | 51.9 | 6,772 | 231 |
| Bandera County, Texas | Urban | 50.7 | 11,175 | 832 |
| Banks County, Georgia | Rural | 50.4 | 9,711 | 1,106 |
| Banner County, Nebraska | Rural | 49.7 | 369 | 1,826 |
| Bannock County, Idaho | Urban | 49.9 | 44,604 | 1,623 |
| Baraga County, Michigan | Rural | 44.8 | 3,668 | 3,000 |
| Barber County, Kansas | Rural | 48.8 | 1,984 | 2,422 |
| Barbour County, Alabama | Rural | 47.5 | 11,715 | 2,799 |
| Barbour County, West Virginia | Rural | 50.7 | 7,822 | 832 |
| Barnes County, North Dakota | Rural | 49.1 | 5,292 | 2,258 |
| Barnstable County, Massachusetts | Urban | 51.9 | 120,129 | 231 |
| Barnwell County, South Carolina | Rural | 51.7 | 10,616 | 283 |
| Barren County, Kentucky | Rural | 51.5 | 23,160 | 351 |
| Barron County, Wisconsin | Rural | 49.9 | 23,331 | 1,623 |
| Barrow County, Georgia | Urban | 50.5 | 45,413 | 1,013 |
| Barry County, Michigan | Urban | 49.6 | 31,482 | 1,906 |
| Barry County, Missouri | Rural | 49.6 | 17,370 | 1,906 |
| Bartholomew County, Indiana | Urban | 49.4 | 41,239 | 2,068 |
| Barton County, Kansas | Rural | 50.8 | 12,743 | 748 |
| Barton County, Missouri | Rural | 50.1 | 5,856 | 1,408 |
| Bartow County, Georgia | Urban | 50.6 | 57,188 | 922 |
| Bastrop County, Texas | Urban | 49.4 | 52,602 | 2,068 |
| Bates County, Missouri | Urban | 49.5 | 8,016 | 1,993 |
| Bath County, Kentucky | Rural | 49.8 | 6,404 | 1,728 |
| Bath County, Virginia | Rural | 50.2 | 2,060 | 1,309 |
| Baxter County, Arkansas | Rural | 51.1 | 21,652 | 546 |
| Bay County, Florida | Urban | 50.3 | 93,846 | 1,216 |
| Bay County, Michigan | Urban | 50.4 | 51,910 | 1,106 |
| Bayfield County, Wisconsin | Rural | 49.1 | 8,134 | 2,258 |
| Baylor County, Texas | Rural | 49.3 | 1,717 | 2,129 |
| Beadle County, South Dakota | Rural | 49.3 | 9,520 | 2,129 |
| Bear Lake County, Idaho | Rural | 49.1 | 3,266 | 2,258 |
| Beaufort County, North Carolina | Rural | 52.3 | 23,268 | 150 |
| Beaufort County, South Carolina | Urban | 50.5 | 98,634 | 1,013 |
| Beauregard Parish, Louisiana | Rural | 48.8 | 17,891 | 2,422 |
| Beaver County, Oklahoma | Rural | 49.5 | 2,489 | 1,993 |
| Beaver County, Pennsylvania | Urban | 51.0 | 84,771 | 616 |
| Beaver County, Utah | Rural | 47.7 | 3,472 | 2,752 |
| Beaverhead County, Montana | Rural | 48.7 | 4,734 | 2,475 |
| Becker County, Minnesota | Rural | 49.9 | 17,639 | 1,623 |
| Beckham County, Oklahoma | Rural | 45.2 | 10,004 | 2,983 |
| Bedford City and County, Virginia | Urban | 50.7 | 41,001 | 832 |
| Bedford County, Pennsylvania | Rural | 50.1 | 23,786 | 1,408 |
| Bedford County, Tennessee | Rural | 49.3 | 25,730 | 2,129 |
| Bee County, Texas | Rural | 37.1 | 11,543 | 3,119 |
| Belknap County, New Hampshire | Rural | 50.3 | 32,517 | 1,216 |
| Bell County, Kentucky | Rural | 50.2 | 11,806 | 1,309 |
| Bell County, Texas | Urban | 50.2 | 194,305 | 1,309 |
| Belmont County, Ohio | Urban | 48.3 | 31,628 | 2,612 |
| Beltrami County, Minnesota | Rural | 49.6 | 23,060 | 1,906 |
| Ben Hill County, Georgia | Rural | 53.5 | 9,150 | 37 |
| Benewah County, Idaho | Rural | 48.9 | 4,959 | 2,376 |
| Bennett County, South Dakota | Rural | 51.6 | 1,726 | 316 |
| Bennington County, Vermont | Rural | 51.1 | 19,035 | 546 |
| Benson County, North Dakota | Rural | 48.7 | 2,827 | 2,475 |
| Bent County, Colorado | Rural | 37.3 | 2,069 | 3,118 |
| Benton County, Arkansas | Urban | 49.8 | 151,304 | 1,728 |
| Benton County, Indiana | Urban | 48.9 | 4,275 | 2,376 |
| Benton County, Iowa | Urban | 49.7 | 12,777 | 1,826 |
| Benton County, Minnesota | Urban | 49.5 | 20,568 | 1,993 |
| Benton County, Mississippi | Urban | 51.0 | 3,868 | 616 |
| Benton County, Missouri | Rural | 49.1 | 9,889 | 2,258 |
| Benton County, Oregon | Urban | 49.6 | 47,772 | 1,906 |
| Benton County, Tennessee | Rural | 50.6 | 8,101 | 922 |
| Benton County, Washington | Urban | 49.6 | 105,583 | 1,906 |
| Benzie County, Michigan | Urban | 49.8 | 9,112 | 1,728 |
| Bergen County, New Jersey | Urban | 51.0 | 490,825 | 616 |
| Berkeley County, South Carolina | Urban | 50.2 | 123,908 | 1,309 |
| Berkeley County, West Virginia | Urban | 49.9 | 64,612 | 1,623 |
| Berks County, Pennsylvania | Urban | 50.4 | 218,267 | 1,106 |
| Berkshire County, Massachusetts | Urban | 51.0 | 66,049 | 616 |
| Bernalillo County, New Mexico | Urban | 50.8 | 342,482 | 748 |
| Berrien County, Georgia | Rural | 50.0 | 9,182 | 1,520 |
| Berrien County, Michigan | Urban | 50.8 | 77,912 | 748 |
| Bertie County, North Carolina | Rural | 48.2 | 8,269 | 2,637 |
| Bethel Census Area, Alaska | Rural | 46.8 | 8,601 | 2,881 |
| Bexar County, Texas | Urban | 50.4 | 1,041,106 | 1,106 |
| Bibb County, Alabama | Urban | 46.9 | 10,381 | 2,871 |
| Bibb County, Georgia | Urban | 52.9 | 82,785 | 81 |
| Bienville Parish, Louisiana | Rural | 50.1 | 6,329 | 1,408 |
| Big Horn County, Montana | Rural | 50.9 | 6,556 | 669 |
| Big Horn County, Wyoming | Rural | 49.1 | 5,811 | 2,258 |
| Big Stone County, Minnesota | Rural | 49.7 | 2,550 | 1,826 |
| Billings County, North Dakota | Rural | 47.7 | 488 | 2,752 |
| Bingham County, Idaho | Rural | 49.6 | 24,654 | 1,906 |
| Black Hawk County, Iowa | Urban | 50.8 | 66,638 | 748 |
| Blackford County, Indiana | Rural | 51.2 | 6,122 | 486 |
| Bladen County, North Carolina | Rural | 51.7 | 15,289 | 283 |
| Blaine County, Idaho | Rural | 48.3 | 12,061 | 2,612 |
| Blaine County, Montana | Rural | 50.0 | 3,476 | 1,520 |
| Blaine County, Nebraska | Rural | 49.8 | 210 | 1,728 |
| Blaine County, Oklahoma | Rural | 48.5 | 4,160 | 2,549 |
| Blair County, Pennsylvania | Urban | 50.7 | 61,443 | 832 |
| Blanco County, Texas | Rural | 51.2 | 6,368 | 486 |
| Bland County, Virginia | Rural | 44.7 | 2,772 | 3,008 |
| Bleckley County, Georgia | Rural | 52.1 | 6,477 | 187 |
| Bledsoe County, Tennessee | Rural | 42.2 | 6,338 | 3,079 |
| Blount County, Alabama | Urban | 49.8 | 29,614 | 1,728 |
| Blount County, Tennessee | Urban | 50.9 | 70,985 | 669 |
| Blue Earth County, Minnesota | Urban | 49.2 | 34,396 | 2,195 |
| Boise County, Idaho | Urban | 49.3 | 4,077 | 2,129 |
| Bolivar County, Mississippi | Rural | 53.6 | 15,819 | 34 |
| Bollinger County, Missouri | Urban | 48.9 | 5,163 | 2,376 |
| Bon Homme County, South Dakota | Rural | 40.0 | 2,820 | 3,100 |
| Bond County, Illinois | Urban | 47.0 | 7,862 | 2,867 |
| Bonner County, Idaho | Rural | 49.6 | 25,315 | 1,906 |
| Bonneville County, Idaho | Urban | 49.8 | 64,551 | 1,728 |
| Boone County, Arkansas | Rural | 50.6 | 19,291 | 922 |
| Boone County, Illinois | Urban | 49.6 | 26,408 | 1,906 |
| Boone County, Indiana | Urban | 50.1 | 37,424 | 1,408 |
| Boone County, Iowa | Urban | 48.7 | 12,995 | 2,475 |
| Boone County, Kentucky | Urban | 50.2 | 70,172 | 1,309 |
| Boone County, Missouri | Urban | 51.5 | 96,936 | 351 |
| Boone County, Nebraska | Rural | 48.7 | 2,608 | 2,475 |
| Boone County, West Virginia | Urban | 50.0 | 10,510 | 1,520 |
| Borden County, Texas | Rural | 55.5 | 396 | 11 |
| Bosque County, Texas | Urban | 51.0 | 9,528 | 616 |
| Bossier Parish, Louisiana | Urban | 50.4 | 65,465 | 1,106 |
| Botetourt County, Virginia | Urban | 50.4 | 17,144 | 1,106 |
| Bottineau County, North Dakota | Rural | 48.0 | 3,059 | 2,690 |
| Boulder County, Colorado | Urban | 49.6 | 163,111 | 1,906 |
| Boundary County, Idaho | Rural | 49.1 | 6,461 | 2,258 |
| Bourbon County, Kansas | Rural | 50.8 | 7,311 | 748 |
| Bourbon County, Kentucky | Urban | 50.4 | 10,207 | 1,106 |
| Bowie County, Texas | Urban | 49.7 | 45,788 | 1,826 |
| Bowman County, North Dakota | Rural | 49.5 | 1,438 | 1,993 |
| Box Butte County, Nebraska | Rural | 48.8 | 5,226 | 2,422 |
| Box Elder County, Utah | Rural | 48.8 | 29,868 | 2,422 |
| Boyd County, Kentucky | Urban | 49.9 | 23,925 | 1,623 |
| Boyd County, Nebraska | Rural | 47.7 | 805 | 2,752 |
| Boyle County, Kentucky | Rural | 50.0 | 15,458 | 1,520 |
| Bracken County, Kentucky | Urban | 49.5 | 4,178 | 1,993 |
| Bradford County, Florida | Rural | 45.7 | 12,744 | 2,958 |
| Bradford County, Pennsylvania | Rural | 50.0 | 29,950 | 1,520 |
| Bradley County, Arkansas | Rural | 51.4 | 5,248 | 388 |
| Bradley County, Tennessee | Urban | 51.3 | 56,969 | 440 |
| Branch County, Michigan | Rural | 48.2 | 21,855 | 2,637 |
| Brantley County, Georgia | Urban | 49.4 | 9,045 | 2,068 |
| Braxton County, West Virginia | Rural | 48.9 | 5,964 | 2,376 |
| Brazoria County, Texas | Urban | 49.6 | 193,954 | 1,906 |
| Brazos County, Texas | Urban | 49.6 | 120,093 | 1,906 |
| Breathitt County, Kentucky | Rural | 50.7 | 6,725 | 832 |
| Breckinridge County, Kentucky | Rural | 49.5 | 10,330 | 1,993 |
| Bremer County, Iowa | Urban | 50.2 | 12,661 | 1,309 |
| Brevard County, Florida | Urban | 50.7 | 321,064 | 832 |
| Brewster County, Texas | Rural | 50.0 | 4,752 | 1,520 |
| Briscoe County, Texas | Rural | 47.7 | 621 | 2,752 |
| Bristol Bay Borough, Alaska | Rural | 36.1 | 331 | 3,124 |
| Bristol City, Virginia | Urban | 50.8 | 8,565 | 748 |
| Bristol County, Massachusetts | Urban | 51.1 | 297,613 | 546 |
| Bristol County, Rhode Island | Urban | 51.2 | 25,844 | 486 |
| Broadwater County, Montana | Urban | 50.3 | 3,856 | 1,216 |
| Bronx County, New York | Urban | 52.8 | 741,147 | 88 |
| Brooke County, West Virginia | Urban | 50.5 | 11,013 | 1,013 |
| Brookings County, South Dakota | Rural | 49.1 | 17,358 | 2,258 |
| Brooks County, Georgia | Urban | 52.6 | 8,566 | 103 |
| Brooks County, Texas | Rural | 49.1 | 3,412 | 2,258 |
| Broome County, New York | Urban | 50.6 | 99,796 | 922 |
| Broomfield County, Colorado | Urban | 49.6 | 37,857 | 1,906 |
| Broward County, Florida | Urban | 50.9 | 1,006,923 | 669 |
| Brown County, Illinois | Rural | 36.1 | 2,282 | 3,124 |
| Brown County, Indiana | Urban | 49.9 | 7,784 | 1,623 |
| Brown County, Kansas | Rural | 50.5 | 4,714 | 1,013 |
| Brown County, Minnesota | Rural | 49.8 | 12,851 | 1,728 |
| Brown County, Nebraska | Rural | 49.1 | 1,410 | 2,258 |
| Brown County, Ohio | Urban | 50.2 | 22,004 | 1,309 |
| Brown County, South Dakota | Rural | 50.4 | 19,092 | 1,106 |
| Brown County, Texas | Rural | 50.2 | 19,265 | 1,309 |
| Brown County, Wisconsin | Urban | 50.0 | 135,558 | 1,520 |
| Brule County, South Dakota | Rural | 48.1 | 2,542 | 2,666 |
| Brunswick County, North Carolina | Urban | 51.9 | 79,228 | 231 |
| Brunswick County, Virginia | Rural | 46.4 | 7,352 | 2,913 |
| Bryan County, Georgia | Urban | 50.7 | 24,460 | 832 |
| Bryan County, Oklahoma | Rural | 51.2 | 24,713 | 486 |
| Buchanan County, Iowa | Rural | 49.6 | 10,258 | 1,906 |
| Buchanan County, Missouri | Urban | 49.7 | 41,515 | 1,826 |
| Buchanan County, Virginia | Rural | 48.1 | 9,343 | 2,666 |
| Buckingham County, Virginia | Rural | 44.1 | 7,485 | 3,034 |
| Bucks County, Pennsylvania | Urban | 50.5 | 327,253 | 1,013 |
| Buena Vista City, Virginia | Rural | 51.4 | 3,392 | 388 |
| Buena Vista County, Iowa | Rural | 49.2 | 10,209 | 2,195 |
| Buffalo County, Nebraska | Rural | 49.6 | 25,089 | 1,906 |
| Buffalo County, South Dakota | Rural | 44.1 | 798 | 3,034 |
| Buffalo County, Wisconsin | Rural | 49.5 | 6,634 | 1,993 |
| Bullitt County, Kentucky | Urban | 50.2 | 42,218 | 1,309 |
| Bulloch County, Georgia | Rural | 51.6 | 42,667 | 316 |
| Bullock County, Alabama | Rural | 45.6 | 4,582 | 2,963 |
| Buncombe County, North Carolina | Urban | 51.7 | 141,939 | 283 |
| Bureau County, Illinois | Rural | 50.4 | 16,561 | 1,106 |
| Burke County, Georgia | Urban | 52.6 | 12,859 | 103 |
| Burke County, North Carolina | Urban | 49.9 | 43,811 | 1,623 |
| Burke County, North Dakota | Rural | 48.9 | 1,055 | 2,376 |
| Burleigh County, North Dakota | Urban | 49.8 | 50,120 | 1,728 |
| Burleson County, Texas | Urban | 51.3 | 9,674 | 440 |
| Burlington County, New Jersey | Urban | 50.6 | 236,846 | 922 |
| Burnet County, Texas | Rural | 50.6 | 26,637 | 922 |
| Burnett County, Wisconsin | Rural | 48.6 | 8,221 | 2,514 |
| Burt County, Nebraska | Rural | 48.8 | 3,292 | 2,422 |
| Butler County, Alabama | Rural | 53.6 | 9,983 | 34 |
| Butler County, Iowa | Rural | 50.3 | 7,179 | 1,216 |
| Butler County, Kansas | Urban | 49.2 | 33,601 | 2,195 |
| Butler County, Kentucky | Urban | 48.2 | 5,979 | 2,637 |
| Butler County, Missouri | Rural | 51.2 | 21,527 | 486 |
| Butler County, Nebraska | Rural | 49.7 | 4,184 | 1,826 |
| Butler County, Ohio | Urban | 50.6 | 198,829 | 922 |
| Butler County, Pennsylvania | Urban | 50.2 | 98,985 | 1,309 |
| Butte County, California | Urban | 50.2 | 104,393 | 1,309 |
| Butte County, Idaho | Urban | 49.8 | 1,336 | 1,728 |
| Butte County, South Dakota | Rural | 49.8 | 5,316 | 1,728 |
| Butts County, Georgia | Urban | 46.4 | 12,296 | 2,913 |
| Cabarrus County, North Carolina | Urban | 50.9 | 120,298 | 669 |
| Cabell County, West Virginia | Urban | 51.1 | 47,383 | 546 |
| Cache County, Utah | Urban | 49.8 | 69,747 | 1,728 |
| Caddo County, Oklahoma | Rural | 43.2 | 11,419 | 3,057 |
| Caddo Parish, Louisiana | Urban | 52.6 | 121,040 | 103 |
| Calaveras County, California | Rural | 50.2 | 23,210 | 1,309 |
| Calcasieu Parish, Louisiana | Urban | 51.1 | 105,786 | 546 |
| Caldwell County, Kentucky | Rural | 50.7 | 6,399 | 832 |
| Caldwell County, Missouri | Urban | 49.2 | 4,390 | 2,195 |
| Caldwell County, North Carolina | Urban | 50.1 | 40,376 | 1,408 |
| Caldwell County, Texas | Urban | 49.6 | 24,116 | 1,906 |
| Caldwell Parish, Louisiana | Rural | 46.6 | 4,424 | 2,897 |
| Caledonia County, Vermont | Rural | 49.5 | 15,095 | 1,993 |
| Calhoun County, Alabama | Urban | 51.6 | 59,916 | 316 |
| Calhoun County, Arkansas | Rural | 49.2 | 2,316 | 2,195 |
| Calhoun County, Florida | Rural | 44.4 | 5,995 | 3,024 |
| Calhoun County, Georgia | Rural | 37.7 | 2,072 | 3,115 |
| Calhoun County, Illinois | Urban | 48.2 | 2,085 | 2,637 |
| Calhoun County, Iowa | Rural | 47.7 | 4,674 | 2,752 |
| Calhoun County, Michigan | Urban | 50.7 | 67,774 | 832 |
| Calhoun County, Mississippi | Rural | 50.6 | 6,535 | 922 |
| Calhoun County, South Carolina | Urban | 51.0 | 7,232 | 616 |
| Calhoun County, Texas | Rural | 47.9 | 9,522 | 2,715 |
| Calhoun County, West Virginia | Rural | 50.9 | 3,080 | 669 |
| Callahan County, Texas | Urban | 50.8 | 7,229 | 748 |
| Callaway County, Missouri | Urban | 48.3 | 21,625 | 2,612 |
| Calloway County, Kentucky | Rural | 51.2 | 19,580 | 486 |
| Calumet County, Wisconsin | Urban | 49.1 | 25,970 | 2,258 |
| Calvert County, Maryland | Urban | 50.1 | 47,288 | 1,408 |
| Camas County, Idaho | Rural | 53.0 | 596 | 72 |
| Cambria County, Pennsylvania | Urban | 50.1 | 65,939 | 1,408 |
| Camden County, Georgia | Rural | 48.2 | 27,440 | 2,637 |
| Camden County, Missouri | Rural | 50.2 | 21,926 | 1,309 |
| Camden County, New Jersey | Urban | 51.6 | 272,075 | 316 |
| Camden County, North Carolina | Urban | 48.8 | 5,331 | 2,422 |
| Cameron County, Pennsylvania | Rural | 48.6 | 2,152 | 2,514 |
| Cameron County, Texas | Urban | 50.6 | 215,742 | 922 |
| Cameron Parish, Louisiana | Urban | 49.3 | 2,473 | 2,129 |
| Camp County, Texas | Rural | 50.5 | 6,458 | 1,013 |
| Campbell County, Kentucky | Urban | 50.5 | 47,195 | 1,013 |
| Campbell County, South Dakota | Rural | 47.8 | 762 | 2,735 |
| Campbell County, Tennessee | Urban | 50.3 | 20,012 | 1,216 |
| Campbell County, Virginia | Urban | 51.4 | 28,405 | 388 |
| Campbell County, Wyoming | Rural | 48.7 | 22,995 | 2,475 |
| Canadian County, Oklahoma | Urban | 50.4 | 85,191 | 1,106 |
| Candler County, Georgia | Rural | 49.6 | 5,482 | 1,906 |
| Cannon County, Tennessee | Urban | 48.9 | 7,249 | 2,376 |
| Canyon County, Idaho | Urban | 50.1 | 125,655 | 1,408 |
| Cape Girardeau County, Missouri | Urban | 51.2 | 42,321 | 486 |
| Cape May County, New Jersey | Urban | 51.6 | 48,970 | 316 |
| Carbon County, Montana | Urban | 49.0 | 5,452 | 2,330 |
| Carbon County, Pennsylvania | Urban | 49.8 | 32,554 | 1,728 |
| Carbon County, Utah | Rural | 49.9 | 10,233 | 1,623 |
| Carbon County, Wyoming | Rural | 46.0 | 6,658 | 2,943 |
| Caribou County, Idaho | Rural | 47.3 | 3,387 | 2,821 |
| Carlisle County, Kentucky | Urban | 49.1 | 2,336 | 2,258 |
| Carlton County, Minnesota | Urban | 46.6 | 17,025 | 2,897 |
| Caroline County, Maryland | Rural | 50.9 | 17,122 | 669 |
| Caroline County, Virginia | Rural | 49.8 | 15,974 | 1,728 |
| Carroll County, Arkansas | Rural | 48.9 | 14,005 | 2,376 |
| Carroll County, Georgia | Urban | 51.2 | 63,826 | 486 |
| Carroll County, Illinois | Rural | 45.1 | 7,020 | 2,988 |
| Carroll County, Indiana | Urban | 48.8 | 10,027 | 2,422 |
| Carroll County, Iowa | Rural | 50.0 | 10,295 | 1,520 |
| Carroll County, Kentucky | Rural | 49.3 | 5,400 | 2,129 |
| Carroll County, Maryland | Urban | 50.3 | 88,146 | 1,216 |
| Carroll County, Mississippi | Rural | 47.3 | 4,579 | 2,821 |
| Carroll County, Missouri | Rural | 50.3 | 4,234 | 1,216 |
| Carroll County, New Hampshire | Rural | 49.4 | 25,574 | 2,068 |
| Carroll County, Ohio | Urban | 49.5 | 13,196 | 1,993 |
| Carroll County, Tennessee | Rural | 50.5 | 14,468 | 1,013 |
| Carroll County, Virginia | Rural | 50.5 | 14,713 | 1,013 |
| Carson City, Nevada | Urban | 48.0 | 28,007 | 2,690 |
| Carson County, Texas | Urban | 50.5 | 2,927 | 1,013 |
| Carter County, Kentucky | Urban | 50.7 | 13,358 | 832 |
| Carter County, Missouri | Rural | 52.2 | 2,765 | 167 |
| Carter County, Montana | Rural | 49.5 | 648 | 1,993 |
| Carter County, Oklahoma | Rural | 51.2 | 24,857 | 486 |
| Carter County, Tennessee | Urban | 51.0 | 28,944 | 616 |
| Carteret County, North Carolina | Rural | 51.1 | 35,354 | 546 |
| Carver County, Minnesota | Urban | 49.8 | 54,807 | 1,728 |
| Cascade County, Montana | Urban | 49.0 | 41,485 | 2,330 |
| Casey County, Kentucky | Rural | 51.7 | 8,223 | 283 |
| Cass County, Illinois | Rural | 51.3 | 6,554 | 440 |
| Cass County, Indiana | Rural | 50.0 | 18,837 | 1,520 |
| Cass County, Iowa | Rural | 50.7 | 6,639 | 832 |
| Cass County, Michigan | Urban | 49.7 | 25,603 | 1,826 |
| Cass County, Minnesota | Rural | 48.5 | 15,025 | 2,549 |
| Cass County, Missouri | Urban | 51.0 | 56,535 | 616 |
| Cass County, Nebraska | Urban | 49.3 | 13,396 | 2,129 |
| Cass County, North Dakota | Urban | 49.3 | 95,353 | 2,129 |
| Cass County, Texas | Rural | 51.2 | 14,629 | 486 |
| Cassia County, Idaho | Rural | 48.6 | 12,397 | 2,514 |
| Castro County, Texas | Rural | 48.9 | 3,592 | 2,376 |
| Caswell County, North Carolina | Rural | 48.4 | 10,852 | 2,579 |
| Catahoula Parish, Louisiana | Rural | 47.6 | 4,085 | 2,775 |
| Catawba County, North Carolina | Urban | 50.9 | 83,339 | 669 |
| Catoosa County, Georgia | Urban | 51.4 | 35,286 | 388 |
| Catron County, New Mexico | Rural | 49.8 | 1,865 | 1,728 |
| Cattaraugus County, New York | Rural | 49.8 | 37,932 | 1,728 |
| Cavalier County, North Dakota | Rural | 48.1 | 1,749 | 2,666 |
| Cayuga County, New York | Rural | 48.8 | 36,649 | 2,422 |
| Cecil County, Maryland | Urban | 50.5 | 52,971 | 1,013 |
| Cedar County, Iowa | Rural | 50.2 | 9,209 | 1,309 |
| Cedar County, Missouri | Rural | 49.1 | 7,171 | 2,258 |
| Cedar County, Nebraska | Rural | 48.9 | 4,063 | 2,376 |
| Centre County, Pennsylvania | Urban | 47.3 | 75,037 | 2,821 |
| Cerro Gordo County, Iowa | Rural | 50.6 | 21,579 | 922 |
| Chaffee County, Colorado | Rural | 46.9 | 9,469 | 2,871 |
| Chambers County, Alabama | Rural | 52.6 | 17,997 | 103 |
| Chambers County, Texas | Urban | 49.8 | 25,667 | 1,728 |
| Champaign County, Illinois | Urban | 50.2 | 104,871 | 1,309 |
| Champaign County, Ohio | Rural | 50.0 | 19,419 | 1,520 |
| Chariton County, Missouri | Rural | 50.5 | 3,731 | 1,013 |
| Charles City County, Virginia | Urban | 50.4 | 3,339 | 1,106 |
| Charles County, Maryland | Urban | 51.8 | 88,392 | 261 |
| Charles Mix County, South Dakota | Rural | 49.4 | 4,582 | 2,068 |
| Charleston County, South Carolina | Urban | 51.5 | 216,555 | 351 |
| Charlevoix County, Michigan | Rural | 50.1 | 13,086 | 1,408 |
| Charlotte County, Florida | Urban | 50.8 | 102,162 | 748 |
| Charlotte County, Virginia | Rural | 49.3 | 5,632 | 2,129 |
| Charlottesville City, Virginia | Urban | 51.9 | 23,561 | 231 |
| Charlton County, Georgia | Rural | 41.9 | 5,369 | 3,084 |
| Chase County, Kansas | Rural | 49.0 | 1,256 | 2,330 |
| Chase County, Nebraska | Rural | 51.2 | 1,881 | 486 |
| Chatham County, Georgia | Urban | 51.9 | 156,158 | 231 |
| Chatham County, North Carolina | Urban | 51.7 | 41,469 | 283 |
| Chattahoochee County, Georgia | Urban | 32.8 | 2,918 | 3,137 |
| Chattooga County, Georgia | Rural | 48.4 | 12,112 | 2,579 |
| Chautauqua County, Kansas | Rural | 48.0 | 1,618 | 2,690 |
| Chautauqua County, New York | Rural | 50.4 | 63,289 | 1,106 |
| Chaves County, New Mexico | Rural | 49.7 | 31,906 | 1,826 |
| Cheatham County, Tennessee | Urban | 49.7 | 20,809 | 1,826 |
| Cheboygan County, Michigan | Rural | 49.6 | 12,833 | 1,906 |
| Chelan County, Washington | Urban | 49.6 | 39,786 | 1,906 |
| Chemung County, New York | Urban | 50.3 | 41,303 | 1,216 |
| Chenango County, New York | Rural | 49.8 | 23,058 | 1,728 |
| Cherokee County, Alabama | Rural | 50.4 | 12,825 | 1,106 |
| Cherokee County, Georgia | Urban | 50.5 | 141,883 | 1,013 |
| Cherokee County, Iowa | Rural | 49.9 | 5,791 | 1,623 |
| Cherokee County, Kansas | Urban | 50.6 | 9,687 | 922 |
| Cherokee County, North Carolina | Rural | 50.4 | 14,887 | 1,106 |
| Cherokee County, Oklahoma | Rural | 51.1 | 24,504 | 546 |
| Cherokee County, South Carolina | Rural | 50.8 | 28,775 | 748 |
| Cherokee County, Texas | Rural | 49.1 | 25,497 | 2,258 |
| Cherry County, Nebraska | Rural | 48.6 | 2,674 | 2,514 |
| Chesapeake City, Virginia | Urban | 50.9 | 128,619 | 669 |
| Cheshire County, New Hampshire | Rural | 50.7 | 39,151 | 832 |
| Chester County, Pennsylvania | Urban | 50.4 | 276,148 | 1,106 |
| Chester County, South Carolina | Urban | 51.5 | 16,588 | 351 |
| Chester County, Tennessee | Urban | 52.0 | 9,155 | 205 |
| Chesterfield County, South Carolina | Rural | 51.3 | 22,455 | 440 |
| Chesterfield County, Virginia | Urban | 51.7 | 195,173 | 283 |
| Cheyenne County, Colorado | Rural | 47.8 | 833 | 2,735 |
| Cheyenne County, Kansas | Rural | 47.3 | 1,242 | 2,821 |
| Cheyenne County, Nebraska | Rural | 49.6 | 4,725 | 1,906 |
| Chickasaw County, Iowa | Rural | 48.4 | 5,718 | 2,579 |
| Chickasaw County, Mississippi | Rural | 51.0 | 8,628 | 616 |
| Chicot County, Arkansas | Rural | 48.8 | 4,764 | 2,422 |
| Childress County, Texas | Rural | 40.8 | 2,751 | 3,096 |
| Chilton County, Alabama | Urban | 51.2 | 23,546 | 486 |
| Chippewa County, Michigan | Rural | 45.4 | 16,483 | 2,969 |
| Chippewa County, Minnesota | Rural | 49.8 | 6,165 | 1,728 |
| Chippewa County, Wisconsin | Urban | 48.0 | 32,077 | 2,690 |
| Chisago County, Minnesota | Urban | 48.2 | 27,944 | 2,637 |
| Chittenden County, Vermont | Urban | 51.1 | 86,729 | 546 |
| Choctaw County, Alabama | Rural | 52.2 | 6,458 | 167 |
| Choctaw County, Mississippi | Rural | 51.3 | 4,164 | 440 |
| Choctaw County, Oklahoma | Rural | 51.9 | 7,425 | 231 |
| Chouteau County, Montana | Rural | 49.6 | 2,929 | 1,906 |
| Chowan County, North Carolina | Rural | 51.7 | 7,149 | 283 |
| Christian County, Illinois | Rural | 47.1 | 15,805 | 2,849 |
| Christian County, Kentucky | Urban | 48.0 | 34,596 | 2,690 |
| Christian County, Missouri | Urban | 51.2 | 47,574 | 486 |
| Churchill County, Nevada | Rural | 49.1 | 12,659 | 2,258 |
| Cibola County, New Mexico | Rural | 50.4 | 13,532 | 1,106 |
| Cimarron County, Oklahoma | Rural | 47.1 | 1,045 | 2,849 |
| Citrus County, Florida | Urban | 50.9 | 82,674 | 669 |
| Clackamas County, Oregon | Urban | 50.3 | 213,344 | 1,216 |
| Claiborne County, Mississippi | Rural | 52.1 | 4,469 | 187 |
| Claiborne County, Tennessee | Rural | 50.5 | 16,397 | 1,013 |
| Claiborne Parish, Louisiana | Rural | 47.7 | 6,603 | 2,752 |
| Clallam County, Washington | Rural | 50.7 | 39,461 | 832 |
| Clare County, Michigan | Rural | 49.7 | 15,509 | 1,826 |
| Clarendon County, South Carolina | Rural | 50.5 | 15,646 | 1,013 |
| Clarion County, Pennsylvania | Rural | 50.5 | 18,759 | 1,013 |
| Clark County, Arkansas | Rural | 52.2 | 11,019 | 167 |
| Clark County, Idaho | Rural | 46.5 | 395 | 2,903 |
| Clark County, Illinois | Rural | 49.7 | 7,581 | 1,826 |
| Clark County, Indiana | Urban | 51.0 | 63,371 | 616 |
| Clark County, Kansas | Rural | 49.2 | 972 | 2,195 |
| Clark County, Kentucky | Urban | 50.7 | 18,865 | 832 |
| Clark County, Missouri | Rural | 49.3 | 3,293 | 2,129 |
| Clark County, Nevada | Urban | 50.0 | 1,163,836 | 1,520 |
| Clark County, Ohio | Urban | 50.9 | 68,848 | 669 |
| Clark County, South Dakota | Rural | 49.8 | 1,952 | 1,728 |
| Clark County, Washington | Urban | 50.4 | 260,395 | 1,106 |
| Clark County, Wisconsin | Rural | 48.9 | 17,001 | 2,376 |
| Clarke County, Alabama | Rural | 52.4 | 11,819 | 132 |
| Clarke County, Georgia | Urban | 52.6 | 68,212 | 103 |
| Clarke County, Iowa | Rural | 49.0 | 4,739 | 2,330 |
| Clarke County, Mississippi | Rural | 52.7 | 8,076 | 92 |
| Clarke County, Virginia | Urban | 52.4 | 7,966 | 132 |
| Clatsop County, Oregon | Rural | 50.3 | 20,807 | 1,216 |
| Clay County, Alabama | Rural | 51.6 | 7,324 | 316 |
| Clay County, Arkansas | Rural | 51.1 | 7,300 | 546 |
| Clay County, Florida | Urban | 50.6 | 115,100 | 922 |
| Clay County, Georgia | Rural | 58.0 | 1,652 | 4 |
| Clay County, Illinois | Rural | 50.4 | 6,572 | 1,106 |
| Clay County, Indiana | Urban | 50.4 | 13,310 | 1,106 |
| Clay County, Iowa | Rural | 50.4 | 8,304 | 1,106 |
| Clay County, Kansas | Rural | 48.7 | 3,920 | 2,475 |
| Clay County, Kentucky | Rural | 47.8 | 9,516 | 2,735 |
| Clay County, Minnesota | Urban | 50.3 | 33,208 | 1,216 |
| Clay County, Mississippi | Rural | 53.3 | 9,795 | 55 |
| Clay County, Missouri | Urban | 50.5 | 130,428 | 1,013 |
| Clay County, Nebraska | Rural | 49.3 | 3,004 | 2,129 |
| Clay County, North Carolina | Rural | 50.2 | 5,826 | 1,309 |
| Clay County, South Dakota | Rural | 50.1 | 7,625 | 1,408 |
| Clay County, Tennessee | Rural | 51.4 | 3,940 | 388 |
| Clay County, Texas | Urban | 50.0 | 5,247 | 1,520 |
| Clay County, West Virginia | Urban | 49.4 | 3,874 | 2,068 |
| Clayton County, Georgia | Urban | 52.9 | 158,149 | 81 |
| Clayton County, Iowa | Rural | 49.7 | 8,451 | 1,826 |
| Clear Creek County, Colorado | Urban | 47.9 | 4,438 | 2,715 |
| Clearfield County, Pennsylvania | Rural | 47.9 | 37,661 | 2,715 |
| Clearwater County, Idaho | Rural | 45.8 | 4,124 | 2,953 |
| Clearwater County, Minnesota | Rural | 49.1 | 4,232 | 2,258 |
| Cleburne County, Alabama | Rural | 49.7 | 7,674 | 1,826 |
| Cleburne County, Arkansas | Rural | 50.1 | 12,649 | 1,408 |
| Clermont County, Ohio | Urban | 50.4 | 106,538 | 1,106 |
| Cleveland County, Arkansas | Rural | 51.1 | 3,809 | 546 |
| Cleveland County, North Carolina | Rural | 51.7 | 52,226 | 283 |
| Cleveland County, Oklahoma | Urban | 50.1 | 150,378 | 1,408 |
| Clinch County, Georgia | Rural | 47.9 | 3,239 | 2,715 |
| Clinton County, Illinois | Urban | 48.2 | 17,811 | 2,637 |
| Clinton County, Indiana | Rural | 50.2 | 16,532 | 1,309 |
| Clinton County, Iowa | Rural | 50.7 | 23,443 | 832 |
| Clinton County, Kentucky | Rural | 50.4 | 4,640 | 1,106 |
| Clinton County, Michigan | Urban | 50.4 | 40,095 | 1,106 |
| Clinton County, Missouri | Urban | 49.6 | 10,621 | 1,906 |
| Clinton County, New York | Rural | 49.2 | 38,582 | 2,195 |
| Clinton County, Ohio | Rural | 50.4 | 21,171 | 1,106 |
| Clinton County, Pennsylvania | Rural | 50.0 | 18,892 | 1,520 |
| Cloud County, Kansas | Rural | 48.3 | 4,301 | 2,612 |
| Coahoma County, Mississippi | Rural | 53.2 | 10,935 | 57 |
| Coal County, Oklahoma | Rural | 49.3 | 2,625 | 2,129 |
| Cobb County, Georgia | Urban | 51.2 | 397,279 | 486 |
| Cochise County, Arizona | Urban | 49.2 | 61,794 | 2,195 |
| Cochran County, Texas | Urban | 48.2 | 1,228 | 2,637 |
| Cocke County, Tennessee | Rural | 51.1 | 18,818 | 546 |
| Coconino County, Arizona | Urban | 50.7 | 73,200 | 832 |
| Codington County, South Dakota | Rural | 49.1 | 14,117 | 2,258 |
| Coffee County, Alabama | Rural | 50.3 | 27,625 | 1,216 |
| Coffee County, Georgia | Rural | 48.4 | 20,990 | 2,579 |
| Coffee County, Tennessee | Rural | 50.8 | 30,322 | 748 |
| Coffey County, Kansas | Rural | 50.4 | 4,184 | 1,106 |
| Coke County, Texas | Rural | 49.6 | 1,664 | 1,906 |
| Colbert County, Alabama | Urban | 51.6 | 29,925 | 316 |
| Cole County, Missouri | Urban | 49.7 | 38,271 | 1,826 |
| Coleman County, Texas | Rural | 49.9 | 3,912 | 1,623 |
| Coles County, Illinois | Rural | 50.9 | 23,832 | 669 |
| Colfax County, Nebraska | Rural | 46.2 | 4,916 | 2,929 |
| Colfax County, New Mexico | Rural | 49.3 | 6,078 | 2,129 |
| Colleton County, South Carolina | Rural | 52.4 | 20,325 | 132 |
| Collier County, Florida | Urban | 50.7 | 201,991 | 832 |
| Collin County, Texas | Urban | 50.2 | 584,381 | 1,309 |
| Collingsworth County, Texas | Rural | 50.6 | 1,310 | 922 |
| Colonial Heights City, Virginia | Urban | 52.4 | 9,624 | 132 |
| Colorado County, Texas | Rural | 48.9 | 10,276 | 2,376 |
| Colquitt County, Georgia | Rural | 49.7 | 22,968 | 1,826 |
| Columbia County, Arkansas | Rural | 51.6 | 11,542 | 316 |
| Columbia County, Florida | Rural | 48.3 | 34,672 | 2,612 |
| Columbia County, Georgia | Urban | 51.1 | 83,038 | 546 |
| Columbia County, New York | Rural | 49.4 | 30,175 | 2,068 |
| Columbia County, Oregon | Urban | 49.0 | 26,201 | 2,330 |
| Columbia County, Pennsylvania | Rural | 51.6 | 33,719 | 316 |
| Columbia County, Washington | Rural | 50.2 | 2,016 | 1,309 |
| Columbia County, Wisconsin | Urban | 48.8 | 28,454 | 2,422 |
| Columbiana County, Ohio | Rural | 49.4 | 49,784 | 2,068 |
| Columbus County, North Carolina | Rural | 50.9 | 25,501 | 669 |
| Colusa County, California | Rural | 47.2 | 10,367 | 2,837 |
| Comal County, Texas | Urban | 50.2 | 92,279 | 1,309 |
| Comanche County, Kansas | Rural | 53.6 | 926 | 34 |
| Comanche County, Oklahoma | Urban | 48.2 | 58,727 | 2,637 |
| Comanche County, Texas | Rural | 50.0 | 6,970 | 1,520 |
| Concho County, Texas | Rural | 35.5 | 1,180 | 3,130 |
| Concordia Parish, Louisiana | Rural | 49.8 | 9,050 | 1,728 |
| Conecuh County, Alabama | Rural | 53.3 | 6,012 | 55 |
| Conejos County, Colorado | Rural | 49.8 | 3,748 | 1,728 |
| Contra Costa County, California | Urban | 50.8 | 592,046 | 748 |
| Converse County, Wyoming | Rural | 49.8 | 6,850 | 1,728 |
| Conway County, Arkansas | Rural | 50.3 | 10,592 | 1,216 |
| Cook County, Georgia | Rural | 50.4 | 8,839 | 1,106 |
| Cook County, Illinois | Urban | 51.2 | 2,653,202 | 486 |
| Cook County, Minnesota | Rural | 51.2 | 2,887 | 486 |
| Cooke County, Texas | Rural | 49.9 | 21,485 | 1,623 |
| Cooper County, Missouri | Urban | 49.6 | 8,344 | 1,906 |
| Coos County, New Hampshire | Rural | 47.8 | 14,937 | 2,735 |
| Coos County, Oregon | Rural | 50.2 | 32,565 | 1,309 |
| Coosa County, Alabama | Rural | 49.3 | 5,077 | 2,129 |
| Copiah County, Mississippi | Urban | 51.9 | 14,449 | 231 |
| Corson County, South Dakota | Rural | 50.3 | 1,916 | 1,216 |
| Cortland County, New York | Rural | 50.4 | 23,299 | 1,106 |
| Coryell County, Texas | Urban | 49.6 | 42,038 | 1,906 |
| Coshocton County, Ohio | Rural | 50.3 | 18,492 | 1,216 |
| Costilla County, Colorado | Rural | 48.7 | 1,756 | 2,475 |
| Cottle County, Texas | Rural | 51.5 | 705 | 351 |
| Cotton County, Oklahoma | Urban | 50.0 | 2,742 | 1,520 |
| Cottonwood County, Minnesota | Rural | 49.5 | 5,669 | 1,993 |
| Covington City, Virginia | Rural | 53.4 | 3,033 | 49 |
| Covington County, Alabama | Rural | 51.8 | 19,477 | 261 |
| Covington County, Mississippi | Rural | 48.0 | 8,718 | 2,690 |
| Coweta County, Georgia | Urban | 51.3 | 78,442 | 440 |
| Cowley County, Kansas | Rural | 49.4 | 16,990 | 2,068 |
| Cowlitz County, Washington | Urban | 50.1 | 56,283 | 1,408 |
| Craig County, Oklahoma | Rural | 48.4 | 6,929 | 2,579 |
| Craig County, Virginia | Urban | 47.3 | 2,296 | 2,821 |
| Craighead County, Arkansas | Urban | 51.3 | 58,100 | 440 |
| Crane County, Texas | Rural | 47.5 | 2,192 | 2,799 |
| Craven County, North Carolina | Rural | 49.8 | 51,135 | 1,728 |
| Crawford County, Arkansas | Urban | 50.7 | 31,011 | 832 |
| Crawford County, Georgia | Urban | 49.7 | 6,075 | 1,826 |
| Crawford County, Illinois | Rural | 46.9 | 8,683 | 2,871 |
| Crawford County, Indiana | Rural | 49.6 | 5,208 | 1,906 |
| Crawford County, Iowa | Rural | 48.5 | 7,891 | 2,549 |
| Crawford County, Kansas | Rural | 49.9 | 19,456 | 1,623 |
| Crawford County, Michigan | Rural | 49.2 | 6,575 | 2,195 |
| Crawford County, Missouri | Rural | 50.2 | 11,442 | 1,309 |
| Crawford County, Ohio | Rural | 50.8 | 21,178 | 748 |
| Crawford County, Pennsylvania | Rural | 50.6 | 41,859 | 922 |
| Crawford County, Wisconsin | Rural | 48.1 | 7,719 | 2,666 |
| Creek County, Oklahoma | Urban | 50.5 | 36,779 | 1,013 |
| Crenshaw County, Alabama | Rural | 51.4 | 6,747 | 388 |
| Crisp County, Georgia | Rural | 52.2 | 10,325 | 167 |
| Crittenden County, Arkansas | Urban | 52.5 | 24,808 | 118 |
| Crittenden County, Kentucky | Rural | 49.4 | 4,436 | 2,068 |
| Crockett County, Tennessee | Urban | 50.7 | 7,076 | 832 |
| Crockett County, Texas | Rural | 42.8 | 1,208 | 3,066 |
| Crook County, Oregon | Urban | 50.6 | 13,288 | 922 |
| Crook County, Wyoming | Rural | 48.9 | 3,645 | 2,376 |
| Crosby County, Texas | Urban | 48.9 | 2,466 | 2,376 |
| Cross County, Arkansas | Rural | 52.0 | 8,596 | 205 |
| Crow Wing County, Minnesota | Rural | 50.0 | 33,857 | 1,520 |
| Crowley County, Colorado | Rural | 29.9 | 1,691 | 3,140 |
| Culberson County, Texas | Rural | 45.9 | 1,007 | 2,948 |
| Cullman County, Alabama | Rural | 50.1 | 45,378 | 1,408 |
| Culpeper County, Virginia | Urban | 50.0 | 27,216 | 1,520 |
| Cumberland County, Illinois | Rural | 50.1 | 5,180 | 1,408 |
| Cumberland County, Kentucky | Rural | 51.8 | 3,083 | 261 |
| Cumberland County, Maine | Urban | 51.3 | 158,290 | 440 |
| Cumberland County, New Jersey | Urban | 49.0 | 75,182 | 2,330 |
| Cumberland County, North Carolina | Urban | 50.4 | 170,670 | 1,106 |
| Cumberland County, Pennsylvania | Urban | 50.2 | 134,567 | 1,309 |
| Cumberland County, Tennessee | Rural | 51.2 | 32,568 | 486 |
| Cumberland County, Virginia | Rural | 49.5 | 4,863 | 1,993 |
| Cuming County, Nebraska | Rural | 48.9 | 4,391 | 2,376 |
| Currituck County, North Carolina | Urban | 49.4 | 15,109 | 2,068 |
| Curry County, New Mexico | Rural | 49.1 | 23,400 | 2,258 |
| Curry County, Oregon | Rural | 51.9 | 12,139 | 231 |
| Custer County, Colorado | Rural | 49.3 | 2,586 | 2,129 |
| Custer County, Idaho | Rural | 48.1 | 2,152 | 2,666 |
| Custer County, Montana | Rural | 49.7 | 5,939 | 1,826 |
| Custer County, Nebraska | Rural | 48.8 | 5,136 | 2,422 |
| Custer County, Oklahoma | Rural | 50.4 | 14,241 | 1,106 |
| Custer County, South Dakota | Urban | 50.8 | 4,520 | 748 |
| Cuyahoga County, Ohio | Urban | 52.0 | 647,990 | 205 |
| Dade County, Georgia | Urban | 50.2 | 8,110 | 1,309 |
| Dade County, Missouri | Rural | 49.1 | 3,749 | 2,258 |
| Daggett County, Utah | Rural | 40.6 | 318 | 3,098 |
| Dakota County, Minnesota | Urban | 50.4 | 224,707 | 1,106 |
| Dakota County, Nebraska | Urban | 50.4 | 10,755 | 1,106 |
| Dale County, Alabama | Rural | 50.7 | 25,161 | 832 |
| Dallam County, Texas | Rural | 44.8 | 3,266 | 3,000 |
| Dallas County, Alabama | Rural | 53.5 | 19,733 | 37 |
| Dallas County, Arkansas | Rural | 50.8 | 3,172 | 748 |
| Dallas County, Iowa | Urban | 50.2 | 54,249 | 1,309 |
| Dallas County, Missouri | Urban | 50.6 | 8,881 | 922 |
| Dallas County, Texas | Urban | 50.4 | 1,320,641 | 1,106 |
| Dane County, Wisconsin | Urban | 50.0 | 286,082 | 1,520 |
| Daniels County, Montana | Rural | 47.9 | 716 | 2,715 |
| Danville City, Virginia | Rural | 53.8 | 22,706 | 30 |
| Dare County, North Carolina | Rural | 50.7 | 19,204 | 832 |
| Darke County, Ohio | Rural | 50.1 | 25,855 | 1,408 |
| Darlington County, South Carolina | Urban | 52.4 | 32,786 | 132 |
| Dauphin County, Pennsylvania | Urban | 51.2 | 148,133 | 486 |
| Davidson County, North Carolina | Urban | 50.8 | 87,941 | 748 |
| Davidson County, Tennessee | Urban | 51.6 | 369,067 | 316 |
| Davie County, North Carolina | Urban | 50.6 | 22,308 | 922 |
| Daviess County, Indiana | Rural | 49.8 | 16,756 | 1,728 |
| Daviess County, Kentucky | Urban | 51.1 | 52,937 | 546 |
| Daviess County, Missouri | Rural | 49.6 | 4,207 | 1,906 |
| Davis County, Iowa | Rural | 48.9 | 4,477 | 2,376 |
| Davis County, Utah | Urban | 49.3 | 182,930 | 2,129 |
| Davison County, South Dakota | Rural | 50.6 | 10,101 | 922 |
| Dawes County, Nebraska | Rural | 51.4 | 4,187 | 388 |
| Dawson County, Georgia | Urban | 49.6 | 14,994 | 1,906 |
| Dawson County, Montana | Rural | 47.7 | 4,214 | 2,752 |
| Dawson County, Nebraska | Rural | 48.1 | 11,630 | 2,666 |
| Dawson County, Texas | Rural | 42.5 | 5,153 | 3,071 |
| Day County, South Dakota | Rural | 50.1 | 2,722 | 1,408 |
| De Soto Parish, Louisiana | Urban | 51.7 | 13,985 | 283 |
| De Witt County, Illinois | Rural | 50.1 | 7,696 | 1,408 |
| DeBaca County, New Mexico | Rural | 34.6 | 545 | 3,134 |
| DeKalb County, Alabama | Rural | 50.0 | 36,110 | 1,520 |
| DeKalb County, Georgia | Urban | 52.6 | 402,256 | 103 |
| DeKalb County, Illinois | Urban | 50.3 | 50,679 | 1,216 |
| DeKalb County, Indiana | Rural | 50.1 | 21,966 | 1,408 |
| DeKalb County, Missouri | Urban | 43.0 | 4,682 | 3,063 |
| DeKalb County, Tennessee | Rural | 50.1 | 10,493 | 1,408 |
| DeSoto County, Florida | Rural | 44.9 | 15,895 | 2,996 |
| DeSoto County, Mississippi | Urban | 51.9 | 99,207 | 231 |
| DeWitt County, Texas | Rural | 47.2 | 9,457 | 2,837 |
| Deaf Smith County, Texas | Rural | 48.4 | 8,929 | 2,579 |
| Dearborn County, Indiana | Urban | 49.7 | 25,413 | 1,826 |
| Decatur County, Georgia | Rural | 52.1 | 15,205 | 187 |
| Decatur County, Indiana | Rural | 49.9 | 13,184 | 1,623 |
| Decatur County, Iowa | Rural | 50.4 | 3,909 | 1,106 |
| Decatur County, Kansas | Rural | 48.9 | 1,332 | 2,376 |
| Decatur County, Tennessee | Rural | 49.5 | 5,730 | 1,993 |
| Deer Lodge County, Montana | Rural | 46.7 | 4,483 | 2,888 |
| Defiance County, Ohio | Rural | 49.3 | 18,900 | 2,129 |
| Del Norte County, California | Rural | 46.4 | 12,581 | 2,913 |
| Delaware County, Indiana | Urban | 51.7 | 58,002 | 283 |
| Delaware County, Iowa | Rural | 48.9 | 8,584 | 2,376 |
| Delaware County, New York | Rural | 49.2 | 21,877 | 2,195 |
| Delaware County, Ohio | Urban | 50.0 | 113,337 | 1,520 |
| Delaware County, Oklahoma | Rural | 50.6 | 20,879 | 922 |
| Delaware County, Pennsylvania | Urban | 51.6 | 298,623 | 316 |
| Delta County, Colorado | Rural | 49.9 | 15,771 | 1,623 |
| Delta County, Michigan | Rural | 49.8 | 18,329 | 1,728 |
| Delta County, Texas | Rural | 54.8 | 2,978 | 15 |
| Denali, Alaska | Rural | 36.0 | 708 | 3,126 |
| Dent County, Missouri | Rural | 50.0 | 7,268 | 1,520 |
| Denton County, Texas | Urban | 50.5 | 494,492 | 1,013 |
| Denver County, Colorado | Urban | 49.5 | 355,900 | 1,993 |
| Des Moines County, Iowa | Rural | 50.4 | 19,413 | 1,106 |
| Deschutes County, Oregon | Urban | 50.3 | 103,710 | 1,216 |
| Desha County, Arkansas | Rural | 53.5 | 5,770 | 37 |
| Deuel County, Nebraska | Rural | 50.0 | 924 | 1,520 |
| Deuel County, South Dakota | Rural | 48.4 | 2,094 | 2,579 |
| Dewey County, Oklahoma | Rural | 50.1 | 2,185 | 1,408 |
| Dewey County, South Dakota | Rural | 50.0 | 2,603 | 1,520 |
| Dickens County, Texas | Rural | 52.0 | 908 | 205 |
| Dickenson County, Virginia | Rural | 48.8 | 6,700 | 2,422 |
| Dickey County, North Dakota | Rural | 49.0 | 2,420 | 2,330 |
| Dickinson County, Iowa | Rural | 49.7 | 8,936 | 1,826 |
| Dickinson County, Kansas | Rural | 50.2 | 9,258 | 1,309 |
| Dickinson County, Michigan | Rural | 49.6 | 12,881 | 1,906 |
| Dickson County, Tennessee | Urban | 50.8 | 28,451 | 748 |
| Dillingham Census Area, Alaska | Rural | 48.4 | 2,288 | 2,579 |
| Dillon County, South Carolina | Rural | 52.8 | 14,706 | 88 |
| Dimmit County, Texas | Rural | 46.5 | 3,896 | 2,903 |
| Dinwiddie County, Virginia | Urban | 50.1 | 14,132 | 1,408 |
| District of Columbia | Urban | 52.5 | 357,472 | 118 |
| Divide County, North Dakota | Rural | 47.9 | 1,039 | 2,715 |
| Dixie County, Florida | Rural | 46.3 | 7,893 | 2,924 |
| Dixon County, Nebraska | Rural | 49.1 | 2,723 | 2,258 |
| Doddridge County, West Virginia | Rural | 43.4 | 3,345 | 3,050 |
| Dodge County, Georgia | Rural | 47.1 | 9,322 | 2,849 |
| Dodge County, Minnesota | Urban | 49.1 | 10,330 | 2,258 |
| Dodge County, Nebraska | Rural | 49.6 | 18,536 | 1,906 |
| Dodge County, Wisconsin | Rural | 47.3 | 41,992 | 2,821 |
| Dolores County, Colorado | Rural | 49.6 | 1,206 | 1,906 |
| Dona Ana County, New Mexico | Urban | 50.6 | 113,531 | 922 |
| Doniphan County, Kansas | Urban | 50.0 | 3,748 | 1,520 |
| Donley County, Texas | Rural | 52.7 | 1,715 | 92 |
| Dooly County, Georgia | Rural | 45.8 | 5,034 | 2,953 |
| Door County, Wisconsin | Rural | 50.6 | 15,407 | 922 |
| Dorchester County, Maryland | Rural | 53.9 | 17,660 | 27 |
| Dorchester County, South Carolina | Urban | 51.2 | 85,603 | 486 |
| Dougherty County, Georgia | Urban | 54.2 | 45,073 | 23 |
| Douglas County, Colorado | Urban | 49.7 | 187,268 | 1,826 |
| Douglas County, Georgia | Urban | 52.4 | 77,514 | 132 |
| Douglas County, Illinois | Rural | 50.9 | 10,049 | 669 |
| Douglas County, Kansas | Urban | 50.4 | 60,646 | 1,106 |
| Douglas County, Minnesota | Rural | 49.6 | 19,646 | 1,906 |
| Douglas County, Missouri | Rural | 49.0 | 5,862 | 2,330 |
| Douglas County, Nebraska | Urban | 50.3 | 297,326 | 1,216 |
| Douglas County, Nevada | Rural | 49.4 | 24,499 | 2,068 |
| Douglas County, Oregon | Rural | 50.3 | 56,380 | 1,216 |
| Douglas County, South Dakota | Rural | 50.0 | 1,415 | 1,520 |
| Douglas County, Washington | Urban | 48.1 | 21,334 | 2,666 |
| Douglas County, Wisconsin | Urban | 49.5 | 21,907 | 1,993 |
| Drew County, Arkansas | Rural | 51.4 | 8,761 | 388 |
| DuPage County, Illinois | Urban | 50.5 | 469,502 | 1,013 |
| Dubois County, Indiana | Rural | 49.1 | 21,423 | 2,258 |
| Dubuque County, Iowa | Urban | 50.4 | 49,882 | 1,106 |
| Duchesne County, Utah | Rural | 49.6 | 10,006 | 1,906 |
| Dukes County, Massachusetts | Rural | 51.6 | 10,808 | 316 |
| Dundy County, Nebraska | Rural | 49.9 | 867 | 1,623 |
| Dunklin County, Missouri | Rural | 52.0 | 14,293 | 205 |
| Dunn County, North Dakota | Rural | 44.8 | 1,808 | 3,000 |
| Dunn County, Wisconsin | Rural | 49.2 | 22,402 | 2,195 |
| Duplin County, North Carolina | Rural | 50.7 | 25,035 | 832 |
| Durham County, North Carolina | Urban | 52.0 | 172,868 | 205 |
| Dutchess County, New York | Urban | 50.2 | 149,844 | 1,309 |
| Duval County, Florida | Urban | 51.5 | 526,776 | 351 |
| Duval County, Texas | Rural | 47.5 | 4,629 | 2,799 |
| Dyer County, Tennessee | Rural | 52.0 | 18,997 | 205 |
| Eagle County, Colorado | Rural | 47.1 | 25,954 | 2,849 |
| Early County, Georgia | Rural | 52.4 | 5,554 | 132 |
| East Baton Rouge Parish, Louisiana | Urban | 52.2 | 236,629 | 167 |
| East Carroll Parish, Louisiana | Rural | 41.0 | 2,900 | 3,090 |
| East Feliciana Parish, Louisiana | Urban | 44.6 | 8,592 | 3,017 |
| Eastland County, Texas | Rural | 50.4 | 9,086 | 1,106 |
| Eaton County, Michigan | Urban | 50.6 | 55,232 | 922 |
| Eau Claire County, Wisconsin | Urban | 50.5 | 54,057 | 1,013 |
| Echols County, Georgia | Urban | 54.5 | 2,023 | 19 |
| Ector County, Texas | Urban | 48.7 | 80,188 | 2,475 |
| Eddy County, New Mexico | Rural | 48.3 | 29,503 | 2,612 |
| Eddy County, North Dakota | Rural | 47.2 | 1,090 | 2,837 |
| Edgar County, Illinois | Rural | 51.2 | 8,461 | 486 |
| Edgecombe County, North Carolina | Urban | 53.1 | 25,892 | 63 |
| Edgefield County, South Carolina | Urban | 45.6 | 12,527 | 2,963 |
| Edmonson County, Kentucky | Urban | 50.8 | 6,278 | 748 |
| Edmunds County, South Dakota | Rural | 49.2 | 1,991 | 2,195 |
| Edwards County, Illinois | Rural | 50.7 | 3,080 | 832 |
| Edwards County, Kansas | Rural | 49.8 | 1,385 | 1,728 |
| Edwards County, Texas | Rural | 45.4 | 586 | 2,969 |
| Effingham County, Georgia | Urban | 50.4 | 34,848 | 1,106 |
| Effingham County, Illinois | Rural | 49.4 | 17,061 | 2,068 |
| El Dorado County, California | Urban | 50.1 | 96,600 | 1,408 |
| El Paso County, Colorado | Urban | 49.2 | 365,500 | 2,195 |
| El Paso County, Texas | Urban | 50.3 | 437,656 | 1,216 |
| Elbert County, Colorado | Urban | 49.1 | 13,675 | 2,258 |
| Elbert County, Georgia | Rural | 52.3 | 10,373 | 150 |
| Elk County, Kansas | Rural | 50.8 | 1,247 | 748 |
| Elk County, Pennsylvania | Rural | 49.0 | 14,954 | 2,330 |
| Elkhart County, Indiana | Urban | 50.3 | 104,240 | 1,216 |
| Elko County, Nevada | Rural | 47.9 | 25,914 | 2,715 |
| Elliott County, Kentucky | Rural | 41.7 | 3,045 | 3,086 |
| Ellis County, Kansas | Rural | 49.8 | 14,388 | 1,728 |
| Ellis County, Oklahoma | Rural | 50.3 | 1,852 | 1,216 |
| Ellis County, Texas | Urban | 50.5 | 107,640 | 1,013 |
| Ellsworth County, Kansas | Rural | 43.2 | 2,746 | 3,057 |
| Elmore County, Alabama | Urban | 51.3 | 45,903 | 440 |
| Elmore County, Idaho | Rural | 46.6 | 13,665 | 2,897 |
| Emanuel County, Georgia | Rural | 49.1 | 11,305 | 2,258 |
| Emery County, Utah | Rural | 49.2 | 4,946 | 2,195 |
| Emmet County, Iowa | Rural | 48.9 | 4,533 | 2,376 |
| Emmet County, Michigan | Rural | 50.3 | 17,172 | 1,216 |
| Emmons County, North Dakota | Rural | 50.7 | 1,650 | 832 |
| Emporia City, Virginia | Rural | 53.5 | 2,968 | 37 |
| Erath County, Texas | Rural | 51.2 | 22,423 | 486 |
| Erie County, New York | Urban | 51.3 | 487,962 | 440 |
| Erie County, Ohio | Urban | 50.7 | 37,849 | 832 |
| Erie County, Pennsylvania | Urban | 50.3 | 135,359 | 1,216 |
| Escambia County, Alabama | Rural | 50.9 | 18,659 | 669 |
| Escambia County, Florida | Urban | 50.7 | 165,191 | 832 |
| Esmeralda County, Nevada | Rural | 49.0 | 504 | 2,330 |
| Essex County, Massachusetts | Urban | 51.4 | 418,024 | 388 |
| Essex County, New Jersey | Urban | 51.4 | 443,164 | 388 |
| Essex County, New York | Rural | 48.4 | 17,912 | 2,579 |
| Essex County, Vermont | Rural | 49.4 | 2,953 | 2,068 |
| Essex County, Virginia | Rural | 55.8 | 5,924 | 6 |
| Estill County, Kentucky | Rural | 50.3 | 7,061 | 1,216 |
| Etowah County, Alabama | Urban | 51.4 | 53,030 | 388 |
| Eureka County, Nevada | Rural | 39.4 | 624 | 3,105 |
| Evangeline Parish, Louisiana | Rural | 50.4 | 16,148 | 1,106 |
| Evans County, Georgia | Rural | 51.9 | 5,588 | 231 |
| Fairbanks North Star, Alaska | Urban | 45.4 | 43,352 | 2,969 |
| Fairfax City, Virginia | Urban | 50.8 | 12,709 | 748 |
| Fairfax County, Virginia | Urban | 50.1 | 574,634 | 1,408 |
| Fairfield County, Connecticut | Urban | 50.9 | 492,816 | 669 |
| Fairfield County, Ohio | Urban | 50.0 | 81,673 | 1,520 |
| Fairfield County, South Carolina | Urban | 51.3 | 10,537 | 440 |
| Fall River County, South Dakota | Rural | 50.5 | 3,662 | 1,013 |
| Fallon County, Montana | Rural | 48.4 | 1,335 | 2,579 |
| Falls Church City, Virginia | Urban | 49.4 | 7,271 | 2,068 |
| Falls County, Texas | Urban | 53.1 | 9,177 | 63 |
| Fannin County, Georgia | Rural | 50.6 | 13,033 | 922 |
| Fannin County, Texas | Rural | 46.3 | 17,290 | 2,924 |
| Faribault County, Minnesota | Rural | 49.3 | 6,864 | 2,129 |
| Faulk County, South Dakota | Rural | 50.4 | 1,072 | 1,106 |
| Faulkner County, Arkansas | Urban | 51.3 | 65,521 | 440 |
| Fauquier County, Virginia | Urban | 50.2 | 37,472 | 1,309 |
| Fayette County, Alabama | Rural | 50.9 | 8,163 | 669 |
| Fayette County, Georgia | Urban | 51.4 | 62,826 | 388 |
| Fayette County, Illinois | Rural | 47.9 | 10,217 | 2,715 |
| Fayette County, Indiana | Rural | 50.1 | 11,702 | 1,408 |
| Fayette County, Iowa | Rural | 49.7 | 9,583 | 1,826 |
| Fayette County, Kentucky | Urban | 50.7 | 164,152 | 832 |
| Fayette County, Ohio | Rural | 51.0 | 14,725 | 616 |
| Fayette County, Pennsylvania | Urban | 49.8 | 62,766 | 1,728 |
| Fayette County, Tennessee | Urban | 50.4 | 21,822 | 1,106 |
| Fayette County, Texas | Rural | 50.3 | 12,605 | 1,216 |
| Fayette County, West Virginia | Urban | 49.9 | 19,724 | 1,623 |
| Fentress County, Tennessee | Rural | 50.6 | 9,776 | 922 |
| Fergus County, Montana | Rural | 48.7 | 5,697 | 2,475 |
| Ferry County, Washington | Rural | 49.4 | 3,651 | 2,068 |
| Fillmore County, Minnesota | Urban | 49.4 | 10,587 | 2,068 |
| Fillmore County, Nebraska | Rural | 49.3 | 2,729 | 2,129 |
| Finney County, Kansas | Rural | 48.7 | 18,535 | 2,475 |
| Fisher County, Texas | Rural | 48.9 | 1,789 | 2,376 |
| Flagler County, Florida | Urban | 51.6 | 65,349 | 316 |
| Flathead County, Montana | Rural | 49.9 | 55,203 | 1,623 |
| Fleming County, Kentucky | Rural | 49.9 | 7,652 | 1,623 |
| Florence County, South Carolina | Urban | 53.0 | 72,703 | 72 |
| Florence County, Wisconsin | Rural | 49.1 | 2,281 | 2,258 |
| Floyd County, Georgia | Urban | 51.0 | 50,873 | 616 |
| Floyd County, Indiana | Urban | 51.1 | 41,354 | 546 |
| Floyd County, Iowa | Rural | 48.9 | 7,491 | 2,376 |
| Floyd County, Kentucky | Rural | 51.1 | 17,989 | 546 |
| Floyd County, Texas | Rural | 51.1 | 2,667 | 546 |
| Floyd County, Virginia | Urban | 50.4 | 7,856 | 1,106 |
| Fluvanna County, Virginia | Urban | 53.9 | 15,147 | 27 |
| Foard County, Texas | Rural | 51.1 | 506 | 546 |
| Fond du Lac County, Wisconsin | Urban | 50.2 | 52,294 | 1,309 |
| Ford County, Illinois | Urban | 50.4 | 6,751 | 1,106 |
| Ford County, Kansas | Rural | 47.4 | 16,162 | 2,813 |
| Forest County, Pennsylvania | Rural | 28.6 | 1,922 | 3,142 |
| Forest County, Wisconsin | Rural | 48.8 | 4,568 | 2,422 |
| Forrest County, Mississippi | Urban | 53.2 | 41,609 | 57 |
| Forsyth County, Georgia | Urban | 50.0 | 133,646 | 1,520 |
| Forsyth County, North Carolina | Urban | 52.5 | 204,554 | 118 |
| Fort Bend County, Texas | Urban | 50.8 | 453,602 | 748 |
| Foster County, North Dakota | Rural | 48.1 | 1,616 | 2,666 |
| Fountain County, Indiana | Rural | 50.0 | 8,308 | 1,520 |
| Franklin City, Virginia | Rural | 53.8 | 4,442 | 30 |
| Franklin County, Alabama | Rural | 51.2 | 16,370 | 486 |
| Franklin County, Arkansas | Rural | 50.2 | 8,705 | 1,309 |
| Franklin County, Florida | Rural | 44.7 | 5,609 | 3,008 |
| Franklin County, Georgia | Rural | 50.8 | 12,315 | 748 |
| Franklin County, Idaho | Urban | 48.0 | 7,224 | 2,690 |
| Franklin County, Illinois | Rural | 50.3 | 18,783 | 1,216 |
| Franklin County, Indiana | Urban | 50.1 | 11,531 | 1,408 |
| Franklin County, Iowa | Rural | 48.7 | 4,848 | 2,475 |
| Franklin County, Kansas | Rural | 49.7 | 12,982 | 1,826 |
| Franklin County, Kentucky | Rural | 51.2 | 26,556 | 486 |
| Franklin County, Maine | Rural | 51.0 | 15,518 | 616 |
| Franklin County, Massachusetts | Rural | 50.8 | 36,037 | 748 |
| Franklin County, Mississippi | Rural | 48.0 | 3,661 | 2,690 |
| Franklin County, Missouri | Urban | 49.9 | 52,882 | 1,623 |
| Franklin County, Nebraska | Rural | 49.7 | 1,415 | 1,826 |
| Franklin County, New York | Rural | 47.5 | 22,202 | 2,799 |
| Franklin County, North Carolina | Urban | 50.5 | 37,538 | 1,013 |
| Franklin County, Ohio | Urban | 50.9 | 678,280 | 669 |
| Franklin County, Pennsylvania | Urban | 50.6 | 79,568 | 922 |
| Franklin County, Tennessee | Rural | 50.6 | 22,274 | 922 |
| Franklin County, Texas | Rural | 50.0 | 5,312 | 1,520 |
| Franklin County, Vermont | Urban | 49.9 | 25,250 | 1,623 |
| Franklin County, Virginia | Urban | 50.8 | 28,021 | 748 |
| Franklin County, Washington | Urban | 48.5 | 47,939 | 2,549 |
| Franklin Parish, Louisiana | Rural | 52.4 | 10,173 | 132 |
| Frederick County, Maryland | Urban | 50.5 | 145,083 | 1,013 |
| Frederick County, Virginia | Urban | 49.8 | 47,295 | 1,728 |
| Fredericksburg City, Virginia | Urban | 52.3 | 15,102 | 150 |
| Freeborn County, Minnesota | Rural | 49.4 | 15,113 | 2,068 |
| Freestone County, Texas | Rural | 47.6 | 9,549 | 2,775 |
| Fremont County, Colorado | Rural | 41.9 | 20,821 | 3,084 |
| Fremont County, Idaho | Rural | 47.3 | 6,589 | 2,821 |
| Fremont County, Iowa | Rural | 49.9 | 3,251 | 1,623 |
| Fremont County, Wyoming | Rural | 49.4 | 19,534 | 2,068 |
| Fresno County, California | Urban | 49.9 | 507,057 | 1,623 |
| Frio County, Texas | Rural | 38.9 | 7,228 | 3,109 |
| Frontier County, Nebraska | Rural | 47.5 | 1,221 | 2,799 |
| Fulton County, Arkansas | Rural | 51.3 | 6,313 | 440 |
| Fulton County, Georgia | Urban | 51.4 | 553,458 | 388 |
| Fulton County, Illinois | Rural | 47.8 | 15,784 | 2,735 |
| Fulton County, Indiana | Rural | 49.5 | 10,045 | 1,993 |
| Fulton County, Kentucky | Rural | 48.7 | 3,122 | 2,475 |
| Fulton County, New York | Rural | 50.1 | 26,320 | 1,408 |
| Fulton County, Ohio | Urban | 50.1 | 21,146 | 1,408 |
| Fulton County, Pennsylvania | Rural | 48.5 | 7,044 | 2,549 |
| Furnas County, Nebraska | Rural | 49.5 | 2,263 | 1,993 |
| Gadsden County, Florida | Urban | 51.9 | 22,665 | 231 |
| Gage County, Nebraska | Rural | 49.2 | 10,639 | 2,195 |
| Gaines County, Texas | Rural | 49.2 | 10,945 | 2,195 |
| Galax City, Virginia | Rural | 55.7 | 3,746 | 7 |
| Gallatin County, Illinois | Rural | 49.6 | 2,391 | 1,906 |
| Gallatin County, Kentucky | Urban | 49.3 | 4,322 | 2,129 |
| Gallatin County, Montana | Urban | 47.7 | 59,123 | 2,752 |
| Gallia County, Ohio | Rural | 51.0 | 14,812 | 616 |
| Galveston County, Texas | Urban | 50.7 | 181,882 | 832 |
| Garden County, Nebraska | Rural | 50.4 | 888 | 1,106 |
| Garfield County, Colorado | Rural | 48.5 | 30,321 | 2,549 |
| Garfield County, Montana | Rural | 50.0 | 547 | 1,520 |
| Garfield County, Nebraska | Rural | 50.9 | 875 | 669 |
| Garfield County, Oklahoma | Urban | 49.9 | 31,018 | 1,623 |
| Garfield County, Utah | Rural | 47.3 | 2,468 | 2,821 |
| Garfield County, Washington | Rural | 46.7 | 1,100 | 2,888 |
| Garland County, Arkansas | Urban | 51.7 | 51,768 | 283 |
| Garrard County, Kentucky | Rural | 50.3 | 8,839 | 1,216 |
| Garrett County, Maryland | Rural | 49.6 | 14,184 | 1,906 |
| Garvin County, Oklahoma | Rural | 50.5 | 13,054 | 1,013 |
| Garza County, Texas | Urban | 34.4 | 1,762 | 3,135 |
| Gasconade County, Missouri | Rural | 49.2 | 7,248 | 2,195 |
| Gaston County, North Carolina | Urban | 51.6 | 121,212 | 316 |
| Gates County, North Carolina | Urban | 53.0 | 5,503 | 72 |
| Geary County, Kansas | Urban | 47.6 | 17,035 | 2,775 |
| Geauga County, Ohio | Urban | 49.8 | 47,555 | 1,728 |
| Gem County, Idaho | Urban | 48.5 | 9,994 | 2,549 |
| Genesee County, Michigan | Urban | 51.5 | 207,903 | 351 |
| Genesee County, New York | Rural | 49.8 | 28,784 | 1,728 |
| Geneva County, Alabama | Urban | 50.7 | 13,642 | 832 |
| Gentry County, Missouri | Rural | 51.4 | 3,211 | 388 |
| George County, Mississippi | Rural | 49.5 | 12,458 | 1,993 |
| Georgetown County, South Carolina | Rural | 52.3 | 33,912 | 150 |
| Gibson County, Indiana | Rural | 49.0 | 16,159 | 2,330 |
| Gibson County, Tennessee | Urban | 51.7 | 26,324 | 283 |
| Gila County, Arizona | Rural | 49.9 | 26,842 | 1,623 |
| Gilchrist County, Florida | Urban | 48.6 | 9,262 | 2,514 |
| Giles County, Tennessee | Rural | 51.4 | 15,748 | 388 |
| Giles County, Virginia | Urban | 51.0 | 8,443 | 616 |
| Gillespie County, Texas | Rural | 50.7 | 13,951 | 832 |
| Gilliam County, Oregon | Rural | 46.6 | 918 | 2,897 |
| Gilmer County, Georgia | Rural | 49.9 | 16,168 | 1,623 |
| Gilmer County, West Virginia | Rural | 41.0 | 2,985 | 3,090 |
| Gilpin County, Colorado | Urban | 44.4 | 2,622 | 3,024 |
| Glacier County, Montana | Rural | 50.9 | 6,944 | 669 |
| Glades County, Florida | Rural | 42.4 | 5,331 | 3,074 |
| Gladwin County, Michigan | Rural | 49.2 | 12,641 | 2,195 |
| Glascock County, Georgia | Rural | 51.4 | 1,508 | 388 |
| Glasscock County, Texas | Rural | 43.9 | 469 | 3,039 |
| Glenn County, California | Rural | 48.9 | 13,930 | 2,376 |
| Gloucester County, New Jersey | Urban | 51.0 | 156,559 | 616 |
| Gloucester County, Virginia | Urban | 50.1 | 19,794 | 1,408 |
| Glynn County, Georgia | Urban | 53.1 | 45,374 | 63 |
| Gogebic County, Michigan | Rural | 48.6 | 6,966 | 2,514 |
| Golden Valley County, Montana | Rural | 50.2 | 451 | 1,309 |
| Golden Valley County, North Dakota | Rural | 49.8 | 824 | 1,728 |
| Goliad County, Texas | Urban | 49.6 | 3,542 | 1,906 |
| Gonzales County, Texas | Rural | 49.8 | 9,891 | 1,728 |
| Goochland County, Virginia | Urban | 49.9 | 13,170 | 1,623 |
| Goodhue County, Minnesota | Rural | 49.9 | 23,910 | 1,623 |
| Gooding County, Idaho | Rural | 49.3 | 7,848 | 2,129 |
| Gordon County, Georgia | Rural | 50.0 | 29,573 | 1,520 |
| Goshen County, Wyoming | Rural | 48.1 | 6,059 | 2,666 |
| Gosper County, Nebraska | Rural | 49.4 | 1,007 | 2,068 |
| Gove County, Kansas | Rural | 49.9 | 1,397 | 1,623 |
| Grady County, Georgia | Rural | 50.8 | 13,251 | 748 |
| Grady County, Oklahoma | Urban | 49.8 | 28,185 | 1,728 |
| Grafton County, New Hampshire | Rural | 50.4 | 46,440 | 1,106 |
| Graham County, Arizona | Rural | 46.7 | 18,315 | 2,888 |
| Graham County, Kansas | Rural | 48.8 | 1,165 | 2,422 |
| Graham County, North Carolina | Rural | 48.6 | 3,926 | 2,514 |
| Grainger County, Tennessee | Urban | 50.0 | 12,135 | 1,520 |
| Grand County, Colorado | Rural | 47.2 | 7,502 | 2,837 |
| Grand County, Utah | Rural | 49.1 | 4,788 | 2,258 |
| Grand Forks County, North Dakota | Urban | 48.5 | 35,336 | 2,549 |
| Grand Isle County, Vermont | Urban | 47.6 | 3,547 | 2,775 |
| Grand Traverse County, Michigan | Urban | 50.5 | 48,517 | 1,013 |
| Granite County, Montana | Rural | 49.3 | 1,707 | 2,129 |
| Grant County, Arkansas | Urban | 49.2 | 8,974 | 2,195 |
| Grant County, Indiana | Rural | 51.9 | 34,382 | 231 |
| Grant County, Kansas | Rural | 45.1 | 3,259 | 2,988 |
| Grant County, Kentucky | Urban | 49.6 | 12,617 | 1,906 |
| Grant County, Minnesota | Rural | 48.8 | 2,988 | 2,422 |
| Grant County, Nebraska | Rural | 43.5 | 272 | 3,048 |
| Grant County, New Mexico | Rural | 49.6 | 13,772 | 1,906 |
| Grant County, North Dakota | Rural | 50.9 | 1,154 | 669 |
| Grant County, Oklahoma | Rural | 48.0 | 1,984 | 2,690 |
| Grant County, Oregon | Rural | 49.7 | 3,580 | 1,826 |
| Grant County, South Dakota | Rural | 48.0 | 3,630 | 2,690 |
| Grant County, Washington | Rural | 48.8 | 49,694 | 2,422 |
| Grant County, West Virginia | Rural | 48.8 | 5,360 | 2,422 |
| Grant County, Wisconsin | Rural | 48.1 | 24,919 | 2,666 |
| Grant Parish, Louisiana | Urban | 44.0 | 9,729 | 3,036 |
| Granville County, North Carolina | Rural | 49.2 | 29,953 | 2,195 |
| Gratiot County, Michigan | Rural | 46.0 | 19,036 | 2,943 |
| Graves County, Kentucky | Rural | 50.5 | 18,510 | 1,013 |
| Gray County, Kansas | Rural | 48.6 | 2,772 | 2,514 |
| Gray County, Texas | Rural | 46.5 | 9,794 | 2,903 |
| Grays Harbor County, Washington | Rural | 48.8 | 37,578 | 2,422 |
| Grayson County, Kentucky | Rural | 49.7 | 13,271 | 1,826 |
| Grayson County, Texas | Urban | 51.1 | 73,220 | 546 |
| Grayson County, Virginia | Rural | 47.1 | 7,202 | 2,849 |
| Greeley County, Kansas | Rural | 53.1 | 693 | 63 |
| Greeley County, Nebraska | Rural | 48.5 | 1,069 | 2,549 |
| Green County, Kentucky | Rural | 49.9 | 5,677 | 1,623 |
| Green County, Wisconsin | Urban | 49.5 | 18,331 | 1,993 |
| Green Lake County, Wisconsin | Rural | 50.0 | 9,632 | 1,520 |
| Greenbrier County, West Virginia | Rural | 51.2 | 16,569 | 486 |
| Greene County, Alabama | Urban | 52.2 | 3,879 | 167 |
| Greene County, Arkansas | Rural | 50.7 | 23,518 | 832 |
| Greene County, Georgia | Rural | 49.8 | 10,011 | 1,728 |
| Greene County, Illinois | Rural | 49.5 | 5,779 | 1,993 |
| Greene County, Indiana | Rural | 49.7 | 15,410 | 1,826 |
| Greene County, Iowa | Rural | 49.2 | 4,275 | 2,195 |
| Greene County, Mississippi | Rural | 39.9 | 5,436 | 3,102 |
| Greene County, Missouri | Urban | 51.0 | 154,833 | 616 |
| Greene County, New York | Rural | 48.9 | 23,184 | 2,376 |
| Greene County, North Carolina | Rural | 42.3 | 8,675 | 3,075 |
| Greene County, Ohio | Urban | 50.4 | 85,471 | 1,106 |
| Greene County, Pennsylvania | Rural | 47.6 | 16,580 | 2,775 |
| Greene County, Tennessee | Rural | 50.6 | 36,269 | 922 |
| Greene County, Virginia | Urban | 50.9 | 10,777 | 669 |
| Greenlee County, Arizona | Rural | 45.3 | 4,265 | 2,977 |
| Greensville County, Virginia | Rural | 35.6 | 4,009 | 3,128 |
| Greenup County, Kentucky | Urban | 50.9 | 18,055 | 669 |
| Greenville County, South Carolina | Urban | 51.4 | 281,526 | 388 |
| Greenwood County, Kansas | Rural | 48.8 | 2,891 | 2,422 |
| Greenwood County, South Carolina | Rural | 53.0 | 36,795 | 72 |
| Greer County, Oklahoma | Rural | 42.0 | 2,303 | 3,081 |
| Gregg County, Texas | Urban | 51.1 | 64,150 | 546 |
| Gregory County, South Dakota | Rural | 48.9 | 1,963 | 2,376 |
| Grenada County, Mississippi | Rural | 51.8 | 10,993 | 261 |
| Griggs County, North Dakota | Rural | 49.2 | 1,105 | 2,195 |
| Grimes County, Texas | Rural | 45.4 | 14,241 | 2,969 |
| Grundy County, Illinois | Urban | 49.6 | 26,410 | 1,906 |
| Grundy County, Iowa | Urban | 50.5 | 6,253 | 1,013 |
| Grundy County, Missouri | Rural | 50.4 | 4,928 | 1,106 |
| Grundy County, Tennessee | Rural | 49.9 | 6,900 | 1,623 |
| Guadalupe County, New Mexico | Rural | 42.5 | 1,863 | 3,071 |
| Guadalupe County, Texas | Urban | 50.1 | 92,068 | 1,408 |
| Guernsey County, Ohio | Rural | 50.2 | 19,206 | 1,309 |
| Guilford County, North Carolina | Urban | 52.5 | 287,737 | 118 |
| Gulf County, Florida | Rural | 42.3 | 6,407 | 3,075 |
| Gunnison County, Colorado | Rural | 45.2 | 7,798 | 2,983 |
| Guthrie County, Iowa | Urban | 50.0 | 5,339 | 1,520 |
| Gwinnett County, Georgia | Urban | 50.9 | 499,116 | 669 |
| Haakon County, South Dakota | Rural | 50.5 | 869 | 1,013 |
| Habersham County, Georgia | Rural | 52.6 | 25,136 | 103 |
| Haines Borough, Alaska | Rural | 50.1 | 1,046 | 1,408 |
| Hale County, Alabama | Urban | 52.0 | 7,717 | 205 |
| Hale County, Texas | Rural | 48.0 | 15,434 | 2,690 |
| Halifax County with South Boston City, Virginia | Rural | 51.8 | 17,430 | 261 |
| Halifax County, North Carolina | Rural | 51.5 | 24,561 | 351 |
| Hall County, Georgia | Urban | 50.0 | 106,275 | 1,520 |
| Hall County, Nebraska | Urban | 48.9 | 30,554 | 2,376 |
| Hall County, Texas | Rural | 50.6 | 1,428 | 922 |
| Hamblen County, Tennessee | Urban | 50.8 | 33,388 | 748 |
| Hamilton County, Florida | Rural | 43.9 | 5,982 | 3,039 |
| Hamilton County, Illinois | Rural | 50.1 | 3,962 | 1,408 |
| Hamilton County, Indiana | Urban | 50.8 | 185,327 | 748 |
| Hamilton County, Iowa | Rural | 48.5 | 7,220 | 2,549 |
| Hamilton County, Kansas | Rural | 51.8 | 1,280 | 261 |
| Hamilton County, Nebraska | Rural | 49.6 | 4,695 | 1,906 |
| Hamilton County, New York | Rural | 50.0 | 2,542 | 1,520 |
| Hamilton County, Ohio | Urban | 51.4 | 427,155 | 388 |
| Hamilton County, Tennessee | Urban | 51.5 | 193,712 | 351 |
| Hamilton County, Texas | Rural | 50.5 | 4,245 | 1,013 |
| Hamlin County, South Dakota | Rural | 48.5 | 3,089 | 2,549 |
| Hampden County, Massachusetts | Urban | 51.4 | 237,689 | 388 |
| Hampshire County, Massachusetts | Urban | 53.5 | 86,615 | 37 |
| Hampshire County, West Virginia | Urban | 48.3 | 11,332 | 2,612 |
| Hampton City, Virginia | Urban | 52.1 | 71,626 | 187 |
| Hampton County, South Carolina | Rural | 48.2 | 8,797 | 2,637 |
| Hancock County, Georgia | Rural | 47.3 | 4,089 | 2,821 |
| Hancock County, Illinois | Rural | 49.6 | 8,568 | 1,906 |
| Hancock County, Indiana | Urban | 50.4 | 42,331 | 1,106 |
| Hancock County, Iowa | Rural | 48.6 | 5,191 | 2,514 |
| Hancock County, Kentucky | Rural | 49.1 | 4,434 | 2,258 |
| Hancock County, Maine | Rural | 51.1 | 28,861 | 546 |
| Hancock County, Mississippi | Urban | 51.0 | 23,528 | 616 |
| Hancock County, Ohio | Rural | 50.7 | 37,957 | 832 |
| Hancock County, Tennessee | Rural | 50.4 | 3,450 | 1,106 |
| Hancock County, West Virginia | Urban | 51.0 | 14,506 | 616 |
| Hand County, South Dakota | Rural | 48.6 | 1,525 | 2,514 |
| Hanover County, Virginia | Urban | 50.5 | 56,992 | 1,013 |
| Hansford County, Texas | Rural | 48.8 | 2,499 | 2,422 |
| Hanson County, South Dakota | Rural | 48.8 | 1,693 | 2,422 |
| Haralson County, Georgia | Urban | 50.7 | 15,862 | 832 |
| Hardee County, Florida | Rural | 45.4 | 11,644 | 2,969 |
| Hardeman County, Tennessee | Rural | 44.4 | 11,299 | 3,024 |
| Hardeman County, Texas | Rural | 50.1 | 1,753 | 1,408 |
| Hardin County, Illinois | Rural | 47.6 | 1,716 | 2,775 |
| Hardin County, Iowa | Rural | 49.3 | 8,210 | 2,129 |
| Hardin County, Kentucky | Urban | 50.6 | 56,595 | 922 |
| Hardin County, Ohio | Rural | 50.0 | 15,237 | 1,520 |
| Hardin County, Tennessee | Rural | 51.4 | 14,006 | 388 |
| Hardin County, Texas | Urban | 50.7 | 29,211 | 832 |
| Harding County, New Mexico | Rural | 49.7 | 368 | 1,826 |
| Harding County, South Dakota | Rural | 44.3 | 508 | 3,031 |
| Hardy County, West Virginia | Rural | 48.8 | 6,952 | 2,422 |
| Harford County, Maryland | Urban | 50.8 | 134,023 | 748 |
| Harlan County, Kentucky | Rural | 51.7 | 13,323 | 283 |
| Harlan County, Nebraska | Rural | 47.6 | 1,356 | 2,775 |
| Harmon County, Oklahoma | Rural | 50.6 | 1,217 | 922 |
| Harnett County, North Carolina | Rural | 50.4 | 70,172 | 1,106 |
| Harney County, Oregon | Rural | 49.5 | 3,710 | 1,993 |
| Harper County, Kansas | Rural | 50.5 | 2,726 | 1,013 |
| Harper County, Oklahoma | Rural | 51.5 | 1,649 | 351 |
| Harris County, Georgia | Urban | 49.4 | 17,819 | 2,068 |
| Harris County, Texas | Urban | 50.3 | 2,433,408 | 1,216 |
| Harrison County, Indiana | Urban | 49.8 | 19,838 | 1,728 |
| Harrison County, Iowa | Urban | 49.1 | 7,183 | 2,258 |
| Harrison County, Kentucky | Rural | 51.8 | 9,911 | 261 |
| Harrison County, Mississippi | Urban | 51.2 | 108,038 | 486 |
| Harrison County, Missouri | Rural | 50.4 | 4,128 | 1,106 |
| Harrison County, Ohio | Rural | 49.9 | 7,143 | 1,623 |
| Harrison County, Texas | Urban | 51.3 | 35,993 | 440 |
| Harrison County, West Virginia | Rural | 50.9 | 33,083 | 669 |
| Harrisonburg City, Virginia | Urban | 51.4 | 26,406 | 388 |
| Hart County, Georgia | Rural | 50.4 | 13,582 | 1,106 |
| Hart County, Kentucky | Rural | 50.2 | 9,848 | 1,309 |
| Hartford County, Connecticut | Urban | 51.0 | 459,611 | 616 |
| Hartley County, Texas | Rural | 43.8 | 2,285 | 3,043 |
| Harvey County, Kansas | Urban | 50.7 | 17,117 | 832 |
| Haskell County, Kansas | Rural | 49.3 | 1,794 | 2,129 |
| Haskell County, Oklahoma | Rural | 50.3 | 5,872 | 1,216 |
| Haskell County, Texas | Rural | 45.3 | 2,455 | 2,977 |
| Hawaii County, Hawaii | Rural | 50.3 | 103,604 | 1,216 |
| Hawkins County, Tennessee | Urban | 50.7 | 29,399 | 832 |
| Hayes County, Nebraska | Rural | 50.8 | 428 | 748 |
| Hays County, Texas | Urban | 50.2 | 134,735 | 1,309 |
| Haywood County, North Carolina | Rural | 51.2 | 32,109 | 486 |
| Haywood County, Tennessee | Rural | 52.8 | 9,232 | 88 |
| Heard County, Georgia | Urban | 50.8 | 5,982 | 748 |
| Hemphill County, Texas | Rural | 44.7 | 1,447 | 3,008 |
| Hempstead County, Arkansas | Rural | 51.7 | 10,092 | 283 |
| Henderson County, Illinois | Rural | 50.0 | 3,094 | 1,520 |
| Henderson County, Kentucky | Rural | 51.4 | 22,750 | 388 |
| Henderson County, North Carolina | Urban | 51.7 | 61,215 | 283 |
| Henderson County, Tennessee | Rural | 51.4 | 14,381 | 388 |
| Henderson County, Texas | Rural | 50.8 | 43,087 | 748 |
| Hendricks County, Indiana | Urban | 49.7 | 91,062 | 1,826 |
| Hendry County, Florida | Rural | 44.6 | 18,892 | 3,017 |
| Hennepin County, Minnesota | Urban | 50.3 | 638,498 | 1,216 |
| Henrico County, Virginia | Urban | 52.3 | 175,756 | 150 |
| Henry County, Alabama | Urban | 52.0 | 9,171 | 205 |
| Henry County, Georgia | Urban | 52.6 | 131,380 | 103 |
| Henry County, Illinois | Urban | 50.2 | 24,435 | 1,309 |
| Henry County, Indiana | Rural | 47.4 | 23,216 | 2,813 |
| Henry County, Iowa | Rural | 47.6 | 9,514 | 2,775 |
| Henry County, Kentucky | Urban | 50.6 | 8,017 | 922 |
| Henry County, Missouri | Rural | 50.8 | 11,353 | 748 |
| Henry County, Ohio | Rural | 50.2 | 13,833 | 1,309 |
| Henry County, Tennessee | Rural | 50.6 | 16,394 | 922 |
| Henry County, Virginia | Rural | 51.9 | 25,958 | 231 |
| Herkimer County, New York | Urban | 49.9 | 29,817 | 1,623 |
| Hernando County, Florida | Urban | 51.4 | 106,343 | 388 |
| Hertford County, North Carolina | Rural | 51.8 | 10,304 | 261 |
| Hettinger County, North Dakota | Rural | 49.9 | 1,213 | 1,623 |
| Hickman County, Kentucky | Rural | 53.5 | 2,373 | 37 |
| Hickman County, Tennessee | Urban | 47.8 | 12,165 | 2,735 |
| Hickory County, Missouri | Rural | 49.9 | 4,280 | 1,623 |
| Hidalgo County, New Mexico | Rural | 51.8 | 2,095 | 261 |
| Hidalgo County, Texas | Urban | 50.6 | 451,511 | 922 |
| Highland County, Ohio | Rural | 51.0 | 22,179 | 616 |
| Highland County, Virginia | Rural | 54.8 | 1,258 | 15 |
| Highlands County, Florida | Urban | 51.1 | 54,004 | 546 |
| Hill County, Montana | Rural | 48.7 | 7,874 | 2,475 |
| Hill County, Texas | Rural | 50.1 | 18,712 | 1,408 |
| Hillsborough County, Florida | Urban | 50.7 | 772,139 | 832 |
| Hillsborough County, New Hampshire | Urban | 49.8 | 212,403 | 1,728 |
| Hillsdale County, Michigan | Rural | 49.9 | 22,802 | 1,623 |
| Hinds County, Mississippi | Urban | 53.2 | 116,275 | 57 |
| Hinsdale County, Colorado | Rural | 51.0 | 513 | 616 |
| Hitchcock County, Nebraska | Rural | 48.4 | 1,243 | 2,579 |
| Hocking County, Ohio | Urban | 49.5 | 13,771 | 1,993 |
| Hockley County, Texas | Urban | 50.6 | 10,804 | 922 |
| Hodgeman County, Kansas | Rural | 54.5 | 901 | 19 |
| Hoke County, North Carolina | Urban | 50.7 | 27,307 | 832 |
| Holmes County, Florida | Rural | 47.3 | 9,235 | 2,821 |
| Holmes County, Mississippi | Urban | 52.5 | 8,496 | 118 |
| Holmes County, Ohio | Rural | 49.6 | 22,044 | 1,906 |
| Holt County, Missouri | Rural | 50.4 | 2,138 | 1,106 |
| Holt County, Nebraska | Rural | 50.1 | 5,059 | 1,408 |
| Honolulu County, Hawaii | Urban | 49.5 | 495,853 | 1,993 |
| Hood County, Texas | Rural | 50.9 | 33,515 | 669 |
| Hood River County, Oregon | Rural | 50.2 | 11,989 | 1,309 |
| Hooker County, Nebraska | Rural | 49.1 | 318 | 2,258 |
| Hoonah-Angoon Census Area, Alaska | Rural | 42.9 | 992 | 3,065 |
| Hopewell City, Virginia | Urban | 53.5 | 12,275 | 37 |
| Hopkins County, Kentucky | Rural | 51.6 | 23,284 | 316 |
| Hopkins County, Texas | Rural | 50.9 | 19,218 | 669 |
| Horry County, South Carolina | Urban | 51.6 | 197,559 | 316 |
| Hot Spring County, Arkansas | Rural | 47.7 | 15,827 | 2,752 |
| Hot Springs County, Wyoming | Rural | 49.2 | 2,273 | 2,195 |
| Houghton County, Michigan | Rural | 45.3 | 17,071 | 2,977 |
| Houston County, Alabama | Urban | 51.9 | 56,172 | 231 |
| Houston County, Georgia | Urban | 51.5 | 87,309 | 351 |
| Houston County, Minnesota | Urban | 49.7 | 9,269 | 1,826 |
| Houston County, Tennessee | Rural | 50.5 | 4,217 | 1,013 |
| Houston County, Texas | Rural | 46.1 | 10,160 | 2,935 |
| Howard County, Arkansas | Rural | 51.7 | 6,510 | 283 |
| Howard County, Indiana | Urban | 51.6 | 43,227 | 316 |
| Howard County, Iowa | Rural | 49.6 | 4,685 | 1,906 |
| Howard County, Maryland | Urban | 50.7 | 170,499 | 832 |
| Howard County, Missouri | Urban | 49.9 | 5,061 | 1,623 |
| Howard County, Nebraska | Urban | 49.1 | 3,211 | 2,258 |
| Howard County, Texas | Rural | 44.3 | 14,301 | 3,031 |
| Howell County, Missouri | Rural | 51.3 | 20,717 | 440 |
| Hubbard County, Minnesota | Rural | 49.3 | 10,756 | 2,129 |
| Hudson County, New Jersey | Urban | 50.1 | 359,656 | 1,408 |
| Hudspeth County, Texas | Urban | 37.7 | 1,284 | 3,115 |
| Huerfano County, Colorado | Rural | 46.7 | 3,255 | 2,888 |
| Hughes County, Oklahoma | Rural | 44.8 | 6,003 | 3,000 |
| Hughes County, South Dakota | Rural | 50.0 | 8,836 | 1,520 |
| Humboldt County, California | Rural | 50.5 | 67,919 | 1,013 |
| Humboldt County, Iowa | Rural | 50.4 | 4,838 | 1,106 |
| Humboldt County, Nevada | Rural | 47.2 | 8,166 | 2,837 |
| Humphreys County, Mississippi | Rural | 51.9 | 3,836 | 231 |
| Humphreys County, Tennessee | Rural | 50.2 | 9,645 | 1,309 |
| Hunt County, Texas | Urban | 50.6 | 55,096 | 922 |
| Hunterdon County, New Jersey | Urban | 50.7 | 65,975 | 832 |
| Huntingdon County, Pennsylvania | Rural | 46.7 | 20,391 | 2,888 |
| Huntington County, Indiana | Rural | 50.0 | 18,385 | 1,520 |
| Huron County, Michigan | Rural | 50.0 | 15,545 | 1,520 |
| Huron County, Ohio | Rural | 50.3 | 29,351 | 1,216 |
| Hutchinson County, South Dakota | Rural | 50.3 | 3,724 | 1,216 |
| Hutchinson County, Texas | Rural | 50.1 | 10,103 | 1,408 |
| Hyde County, North Carolina | Rural | 43.6 | 2,003 | 3,046 |
| Hyde County, South Dakota | Rural | 48.1 | 573 | 2,666 |
| Iberia Parish, Louisiana | Rural | 50.8 | 34,879 | 748 |
| Iberville Parish, Louisiana | Urban | 48.4 | 14,416 | 2,579 |
| Ida County, Iowa | Rural | 49.5 | 3,420 | 1,993 |
| Idaho County, Idaho | Rural | 48.1 | 8,377 | 2,666 |
| Imperial County, California | Urban | 48.6 | 87,561 | 2,514 |
| Independence County, Arkansas | Rural | 50.4 | 19,258 | 1,106 |
| Indian River County, Florida | Urban | 51.6 | 86,104 | 316 |
| Indiana County, Pennsylvania | Rural | 50.1 | 41,634 | 1,408 |
| Ingham County, Michigan | Urban | 51.1 | 145,175 | 546 |
| Inyo County, California | Rural | 49.2 | 9,226 | 2,195 |
| Ionia County, Michigan | Urban | 46.2 | 30,750 | 2,929 |
| Iosco County, Michigan | Rural | 50.0 | 12,679 | 1,520 |
| Iowa County, Iowa | Rural | 48.6 | 8,029 | 2,514 |
| Iowa County, Wisconsin | Urban | 48.9 | 11,672 | 2,376 |
| Iredell County, North Carolina | Urban | 50.5 | 99,245 | 1,013 |
| Irion County, Texas | Urban | 50.0 | 704 | 1,520 |
| Iron County, Michigan | Rural | 49.4 | 5,764 | 2,068 |
| Iron County, Missouri | Rural | 50.4 | 4,760 | 1,106 |
| Iron County, Utah | Rural | 50.0 | 31,115 | 1,520 |
| Iron County, Wisconsin | Rural | 49.1 | 3,049 | 2,258 |
| Iroquois County, Illinois | Rural | 50.4 | 13,327 | 1,106 |
| Irwin County, Georgia | Rural | 47.3 | 4,391 | 2,821 |
| Isabella County, Michigan | Rural | 51.4 | 33,161 | 388 |
| Isanti County, Minnesota | Urban | 49.4 | 21,037 | 2,068 |
| Island County, Washington | Rural | 49.7 | 43,160 | 1,826 |
| Isle of Wight County, Virginia | Urban | 50.3 | 20,118 | 1,216 |
| Issaquena County, Mississippi | Rural | 32.9 | 305 | 3,136 |
| Itasca County, Minnesota | Rural | 49.1 | 22,219 | 2,258 |
| Itawamba County, Mississippi | Rural | 50.5 | 12,144 | 1,013 |
| Izard County, Arkansas | Rural | 46.8 | 6,552 | 2,881 |
| Jack County, Texas | Rural | 45.6 | 4,052 | 2,963 |
| Jackson County, Alabama | Rural | 50.7 | 26,898 | 832 |
| Jackson County, Arkansas | Rural | 49.5 | 8,270 | 1,993 |
| Jackson County, Colorado | Rural | 47.7 | 655 | 2,752 |
| Jackson County, Florida | Rural | 45.4 | 21,916 | 2,969 |
| Jackson County, Georgia | Rural | 50.2 | 42,582 | 1,309 |
| Jackson County, Illinois | Rural | 50.2 | 26,638 | 1,309 |
| Jackson County, Indiana | Rural | 48.6 | 22,689 | 2,514 |
| Jackson County, Iowa | Rural | 49.1 | 9,513 | 2,258 |
| Jackson County, Kansas | Urban | 49.1 | 6,549 | 2,258 |
| Jackson County, Kentucky | Rural | 51.3 | 6,707 | 440 |
| Jackson County, Michigan | Urban | 48.7 | 77,963 | 2,475 |
| Jackson County, Minnesota | Rural | 49.1 | 4,875 | 2,258 |
| Jackson County, Mississippi | Urban | 50.8 | 73,820 | 748 |
| Jackson County, Missouri | Urban | 51.4 | 370,425 | 388 |
| Jackson County, North Carolina | Rural | 50.6 | 22,150 | 922 |
| Jackson County, Ohio | Rural | 50.5 | 16,498 | 1,013 |
| Jackson County, Oklahoma | Rural | 49.8 | 12,296 | 1,728 |
| Jackson County, Oregon | Urban | 51.0 | 113,476 | 616 |
| Jackson County, South Dakota | Rural | 51.1 | 1,431 | 546 |
| Jackson County, Tennessee | Rural | 49.4 | 5,940 | 2,068 |
| Jackson County, Texas | Rural | 49.0 | 7,428 | 2,330 |
| Jackson County, West Virginia | Rural | 50.0 | 13,855 | 1,520 |
| Jackson County, Wisconsin | Rural | 46.4 | 9,730 | 2,913 |
| Jackson Parish, Louisiana | Rural | 49.0 | 7,296 | 2,330 |
| James City County, Virginia | Urban | 51.7 | 41,874 | 283 |
| Jasper County, Georgia | Urban | 51.5 | 8,201 | 351 |
| Jasper County, Illinois | Rural | 49.1 | 4,503 | 2,258 |
| Jasper County, Indiana | Urban | 50.3 | 16,722 | 1,216 |
| Jasper County, Iowa | Urban | 47.6 | 18,082 | 2,775 |
| Jasper County, Mississippi | Rural | 50.3 | 8,082 | 1,216 |
| Jasper County, Missouri | Urban | 50.9 | 63,333 | 669 |
| Jasper County, South Carolina | Urban | 49.5 | 15,938 | 1,993 |
| Jasper County, Texas | Rural | 50.8 | 16,629 | 748 |
| Jay County, Indiana | Rural | 49.3 | 9,965 | 2,129 |
| Jeff Davis County, Georgia | Rural | 49.0 | 7,311 | 2,330 |
| Jeff Davis County, Texas | Rural | 46.9 | 875 | 2,871 |
| Jefferson County, Alabama | Urban | 52.5 | 350,835 | 118 |
| Jefferson County, Arkansas | Rural | 50.1 | 32,483 | 1,408 |
| Jefferson County, Colorado | Urban | 49.7 | 287,789 | 1,826 |
| Jefferson County, Florida | Urban | 46.3 | 6,989 | 2,924 |
| Jefferson County, Georgia | Rural | 51.7 | 7,938 | 283 |
| Jefferson County, Idaho | Urban | 48.8 | 16,188 | 2,422 |
| Jefferson County, Illinois | Rural | 48.4 | 17,679 | 2,579 |
| Jefferson County, Indiana | Rural | 51.9 | 17,138 | 231 |
| Jefferson County, Iowa | Rural | 48.5 | 7,621 | 2,549 |
| Jefferson County, Kansas | Urban | 49.4 | 9,064 | 2,068 |
| Jefferson County, Kentucky | Urban | 51.3 | 402,067 | 440 |
| Jefferson County, Mississippi | Rural | 50.7 | 3,586 | 832 |
| Jefferson County, Missouri | Urban | 50.0 | 114,708 | 1,520 |
| Jefferson County, Montana | Urban | 49.4 | 6,315 | 2,068 |
| Jefferson County, Nebraska | Rural | 51.0 | 3,651 | 616 |
| Jefferson County, New York | Urban | 47.5 | 54,679 | 2,799 |
| Jefferson County, Ohio | Urban | 50.8 | 32,785 | 748 |
| Jefferson County, Oklahoma | Rural | 50.6 | 2,721 | 922 |
| Jefferson County, Oregon | Urban | 48.0 | 12,105 | 2,690 |
| Jefferson County, Pennsylvania | Rural | 49.8 | 21,830 | 1,728 |
| Jefferson County, Tennessee | Urban | 50.9 | 28,916 | 669 |
| Jefferson County, Texas | Urban | 48.4 | 122,993 | 2,579 |
| Jefferson County, Washington | Rural | 51.2 | 17,208 | 486 |
| Jefferson County, West Virginia | Urban | 50.2 | 29,734 | 1,309 |
| Jefferson County, Wisconsin | Rural | 50.0 | 43,005 | 1,520 |
| Jefferson Davis County, Mississippi | Rural | 52.9 | 5,885 | 81 |
| Jefferson Davis Parish, Louisiana | Urban | 50.2 | 16,017 | 1,309 |
| Jefferson Parish, Louisiana | Urban | 51.3 | 221,214 | 440 |
| Jenkins County, Georgia | Rural | 43.9 | 3,823 | 3,039 |
| Jennings County, Indiana | Rural | 49.1 | 13,537 | 2,258 |
| Jerauld County, South Dakota | Rural | 51.1 | 906 | 546 |
| Jerome County, Idaho | Urban | 48.7 | 12,257 | 2,475 |
| Jersey County, Illinois | Urban | 51.2 | 10,892 | 486 |
| Jessamine County, Kentucky | Urban | 51.4 | 28,034 | 388 |
| Jewell County, Kansas | Rural | 48.9 | 1,427 | 2,376 |
| Jim Hogg County, Texas | Rural | 43.3 | 2,046 | 3,054 |
| Jim Wells County, Texas | Rural | 50.1 | 19,475 | 1,408 |
| Jo Daviess County, Illinois | Rural | 50.0 | 10,923 | 1,520 |
| Johnson County, Arkansas | Rural | 50.3 | 13,088 | 1,216 |
| Johnson County, Georgia | Rural | 40.0 | 3,674 | 3,100 |
| Johnson County, Illinois | Rural | 42.7 | 5,706 | 3,068 |
| Johnson County, Indiana | Urban | 50.4 | 83,776 | 1,106 |
| Johnson County, Iowa | Urban | 50.3 | 78,791 | 1,216 |
| Johnson County, Kansas | Urban | 50.6 | 313,839 | 922 |
| Johnson County, Kentucky | Rural | 50.1 | 11,192 | 1,408 |
| Johnson County, Missouri | Rural | 48.9 | 26,764 | 2,376 |
| Johnson County, Nebraska | Rural | 39.1 | 2,057 | 3,106 |
| Johnson County, Tennessee | Rural | 46.5 | 8,456 | 2,903 |
| Johnson County, Texas | Urban | 49.7 | 97,256 | 1,826 |
| Johnson County, Wyoming | Rural | 48.7 | 4,229 | 2,475 |
| Johnston County, North Carolina | Urban | 50.8 | 119,036 | 748 |
| Johnston County, Oklahoma | Rural | 49.0 | 5,036 | 2,330 |
| Jones County, Georgia | Urban | 51.4 | 14,745 | 388 |
| Jones County, Iowa | Urban | 47.1 | 9,839 | 2,849 |
| Jones County, Mississippi | Rural | 50.9 | 33,843 | 669 |
| Jones County, North Carolina | Rural | 50.9 | 4,733 | 669 |
| Jones County, South Dakota | Rural | 53.1 | 533 | 63 |
| Jones County, Texas | Urban | 35.6 | 7,233 | 3,128 |
| Josephine County, Oregon | Urban | 51.2 | 45,149 | 486 |
| Juab County, Utah | Urban | 47.8 | 6,019 | 2,735 |
| Judith Basin County, Montana | Rural | 44.2 | 915 | 3,033 |
| Juneau Borough, Alaska | Rural | 49.2 | 15,653 | 2,195 |
| Juneau County, Wisconsin | Rural | 46.1 | 12,305 | 2,935 |
| Juniata County, Pennsylvania | Rural | 49.8 | 11,653 | 1,728 |
| Kalamazoo County, Michigan | Urban | 51.0 | 133,738 | 616 |
| Kalawao County, Hawaii | Urban | 32.8 | 22 | 3,137 |
| Kalkaska County, Michigan | Urban | 49.1 | 8,948 | 2,258 |
| Kanabec County, Minnesota | Rural | 49.9 | 8,183 | 1,623 |
| Kanawha County, West Virginia | Urban | 51.4 | 90,738 | 388 |
| Kandiyohi County, Minnesota | Rural | 49.7 | 21,912 | 1,826 |
| Kane County, Illinois | Urban | 49.9 | 258,151 | 1,623 |
| Kane County, Utah | Rural | 48.8 | 3,990 | 2,422 |
| Kankakee County, Illinois | Urban | 50.5 | 53,838 | 1,013 |
| Karnes County, Texas | Rural | 41.3 | 6,176 | 3,089 |
| Kauai County, Hawaii | Rural | 50.4 | 37,181 | 1,106 |
| Kaufman County, Texas | Urban | 50.7 | 87,525 | 832 |
| Kay County, Oklahoma | Rural | 49.7 | 21,687 | 1,826 |
| Kearney County, Nebraska | Rural | 49.9 | 3,348 | 1,623 |
| Kearny County, Kansas | Rural | 50.9 | 1,968 | 669 |
| Keith County, Nebraska | Rural | 49.8 | 4,091 | 1,728 |
| Kemper County, Mississippi | Rural | 49.2 | 4,291 | 2,195 |
| Kenai Peninsula Borough, Alaska | Rural | 47.9 | 28,913 | 2,715 |
| Kendall County, Illinois | Urban | 50.0 | 68,850 | 1,520 |
| Kendall County, Texas | Urban | 51.0 | 24,747 | 616 |
| Kenedy County, Texas | Rural | 46.9 | 68 | 2,871 |
| Kennebec County, Maine | Rural | 51.1 | 64,771 | 546 |
| Kenosha County, Wisconsin | Urban | 50.4 | 84,944 | 1,106 |
| Kent County, Delaware | Urban | 51.9 | 97,394 | 231 |
| Kent County, Maryland | Rural | 52.7 | 10,199 | 92 |
| Kent County, Michigan | Urban | 50.4 | 333,981 | 1,106 |
| Kent County, Rhode Island | Urban | 51.1 | 87,631 | 546 |
| Kent County, Texas | Rural | 46.5 | 341 | 2,903 |
| Kenton County, Kentucky | Urban | 50.2 | 86,029 | 1,309 |
| Keokuk County, Iowa | Rural | 48.3 | 4,791 | 2,612 |
| Kern County, California | Urban | 49.1 | 449,510 | 2,258 |
| Kerr County, Texas | Rural | 51.2 | 27,402 | 486 |
| Kershaw County, South Carolina | Urban | 51.1 | 34,888 | 546 |
| Ketchikan Gateway Borough, Alaska | Rural | 47.8 | 6,582 | 2,735 |
| Kewaunee County, Wisconsin | Urban | 48.9 | 10,115 | 2,376 |
| Keweenaw County, Michigan | Rural | 48.8 | 1,040 | 2,422 |
| Keya Paha County, Nebraska | Rural | 47.2 | 388 | 2,837 |
| Kidder County, North Dakota | Rural | 42.0 | 998 | 3,081 |
| Kimball County, Nebraska | Rural | 48.4 | 1,572 | 2,579 |
| Kimble County, Texas | Rural | 50.8 | 2,228 | 748 |
| King County, Texas | Rural | 51.2 | 108 | 486 |
| King County, Washington | Urban | 49.3 | 1,127,866 | 2,129 |
| King George County, Virginia | Rural | 49.3 | 13,741 | 2,129 |
| King William County, Virginia | Urban | 51.0 | 9,487 | 616 |
| King and Queen County, Virginia | Urban | 50.7 | 3,393 | 832 |
| Kingfisher County, Oklahoma | Rural | 49.5 | 7,636 | 1,993 |
| Kingman County, Kansas | Rural | 48.7 | 3,498 | 2,475 |
| Kings County, California | Urban | 44.7 | 68,548 | 3,008 |
| Kings County, New York | Urban | 52.4 | 1,377,876 | 132 |
| Kingsbury County, South Dakota | Rural | 49.1 | 2,576 | 2,258 |
| Kinney County, Texas | Rural | 41.0 | 1,293 | 3,090 |
| Kiowa County, Colorado | Rural | 51.8 | 713 | 261 |
| Kiowa County, Kansas | Rural | 51.4 | 1,245 | 388 |
| Kiowa County, Oklahoma | Rural | 51.5 | 4,319 | 351 |
| Kit Carson County, Colorado | Rural | 48.5 | 3,409 | 2,549 |
| Kitsap County, Washington | Urban | 48.7 | 135,291 | 2,475 |
| Kittitas County, Washington | Rural | 49.8 | 23,500 | 1,728 |
| Kittson County, Minnesota | Rural | 49.9 | 2,036 | 1,623 |
| Klamath County, Oregon | Rural | 49.8 | 34,966 | 1,728 |
| Kleberg County, Texas | Rural | 50.1 | 15,324 | 1,408 |
| Klickitat County, Washington | Rural | 48.7 | 11,412 | 2,475 |
| Knott County, Kentucky | Rural | 50.0 | 6,916 | 1,520 |
| Knox County, Illinois | Rural | 49.0 | 24,053 | 2,330 |
| Knox County, Indiana | Rural | 49.3 | 17,756 | 2,129 |
| Knox County, Kentucky | Rural | 51.5 | 15,368 | 351 |
| Knox County, Maine | Rural | 49.8 | 20,433 | 1,728 |
| Knox County, Missouri | Rural | 49.7 | 1,867 | 1,826 |
| Knox County, Nebraska | Rural | 50.9 | 4,258 | 669 |
| Knox County, Ohio | Rural | 50.6 | 31,943 | 922 |
| Knox County, Tennessee | Urban | 51.0 | 252,122 | 616 |
| Knox County, Texas | Rural | 50.8 | 1,681 | 748 |
| Kodiak Island Borough, Alaska | Rural | 47.1 | 6,014 | 2,849 |
| Koochiching County, Minnesota | Rural | 48.6 | 5,753 | 2,514 |
| Kootenai County, Idaho | Urban | 50.1 | 91,097 | 1,408 |
| Kosciusko County, Indiana | Rural | 49.9 | 40,155 | 1,623 |
| Kossuth County, Iowa | Rural | 49.3 | 7,155 | 2,129 |
| Kusilvak Census Area, Alaska | Rural | 46.6 | 3,810 | 2,897 |
| La Crosse County, Wisconsin | Urban | 50.8 | 61,223 | 748 |
| La Paz County, Arizona | Rural | 48.6 | 8,101 | 2,514 |
| La Plata County, Colorado | Rural | 49.5 | 27,882 | 1,993 |
| La Salle County, Illinois | Rural | 49.0 | 53,302 | 2,330 |
| La Salle County, Texas | Rural | 40.9 | 2,800 | 3,095 |
| La Salle Parish, Louisiana | Rural | 47.2 | 6,984 | 2,837 |
| LaFourche Parish, Louisiana | Urban | 50.6 | 48,690 | 922 |
| LaGrange County, Indiana | Rural | 49.0 | 20,004 | 2,330 |
| LaMoure County, North Dakota | Rural | 47.7 | 1,966 | 2,752 |
| LaPorte County, Indiana | Urban | 48.1 | 53,821 | 2,666 |
| Labette County, Kansas | Rural | 48.6 | 9,666 | 2,514 |
| Lac qui Parle County, Minnesota | Rural | 48.5 | 3,239 | 2,549 |
| Lackawanna County, Pennsylvania | Urban | 50.8 | 109,885 | 748 |
| Laclede County, Missouri | Rural | 49.7 | 18,092 | 1,826 |
| Lafayette County, Arkansas | Rural | 48.7 | 2,988 | 2,475 |
| Lafayette County, Florida | Rural | 40.3 | 3,291 | 3,099 |
| Lafayette County, Mississippi | Rural | 52.5 | 30,603 | 118 |
| Lafayette County, Missouri | Urban | 49.9 | 16,519 | 1,623 |
| Lafayette County, Wisconsin | Rural | 49.1 | 8,322 | 2,258 |
| Lafayette Parish, Louisiana | Urban | 51.2 | 126,908 | 486 |
| Lake County, California | Rural | 49.9 | 34,028 | 1,623 |
| Lake County, Colorado | Rural | 49.3 | 3,638 | 2,129 |
| Lake County, Florida | Urban | 51.3 | 211,892 | 440 |
| Lake County, Illinois | Urban | 49.7 | 354,995 | 1,826 |
| Lake County, Indiana | Urban | 51.3 | 256,872 | 440 |
| Lake County, Michigan | Rural | 46.4 | 5,824 | 2,913 |
| Lake County, Minnesota | Rural | 48.2 | 5,240 | 2,637 |
| Lake County, Montana | Rural | 50.6 | 16,485 | 922 |
| Lake County, Ohio | Urban | 50.8 | 117,936 | 748 |
| Lake County, Oregon | Rural | 44.6 | 3,690 | 3,017 |
| Lake County, South Dakota | Rural | 47.2 | 5,181 | 2,837 |
| Lake County, Tennessee | Rural | 37.4 | 2,462 | 3,117 |
| Lake and Peninsula Borough, Alaska | Rural | 43.2 | 438 | 3,057 |
| Lake of the Woods County, Minnesota | Rural | 45.8 | 1,749 | 2,953 |
| Lamar County, Alabama | Rural | 51.2 | 7,012 | 486 |
| Lamar County, Georgia | Rural | 51.8 | 10,141 | 261 |
| Lamar County, Mississippi | Urban | 52.0 | 34,188 | 205 |
| Lamar County, Texas | Rural | 51.4 | 26,030 | 388 |
| Lamb County, Texas | Rural | 49.3 | 6,327 | 2,129 |
| Lamoille County, Vermont | Rural | 49.9 | 13,035 | 1,623 |
| Lampasas County, Texas | Urban | 50.2 | 11,396 | 1,309 |
| Lancaster County, Nebraska | Urban | 49.7 | 162,368 | 1,826 |
| Lancaster County, Pennsylvania | Urban | 50.8 | 283,559 | 748 |
| Lancaster County, South Carolina | Urban | 50.9 | 53,227 | 669 |
| Lancaster County, Virginia | Rural | 52.2 | 5,708 | 167 |
| Lander County, Nevada | Rural | 44.6 | 2,575 | 3,017 |
| Lane County, Kansas | Rural | 49.9 | 729 | 1,623 |
| Lane County, Oregon | Urban | 50.6 | 194,589 | 922 |
| Langlade County, Wisconsin | Rural | 49.1 | 9,567 | 2,258 |
| Lanier County, Georgia | Urban | 50.1 | 5,124 | 1,408 |
| Lapeer County, Michigan | Urban | 48.7 | 43,295 | 2,475 |
| Laramie County, Wyoming | Urban | 49.2 | 49,703 | 2,195 |
| Larimer County, Colorado | Urban | 50.0 | 183,849 | 1,520 |
| Larue County, Kentucky | Urban | 49.6 | 7,495 | 1,906 |
| Las Animas County, Colorado | Rural | 47.7 | 6,872 | 2,752 |
| Lassen County, California | Rural | 38.2 | 11,594 | 3,114 |
| Latah County, Idaho | Rural | 48.7 | 20,008 | 2,475 |
| Latimer County, Oklahoma | Rural | 49.4 | 4,698 | 2,068 |
| Lauderdale County, Alabama | Urban | 51.9 | 49,780 | 231 |
| Lauderdale County, Mississippi | Rural | 51.7 | 36,951 | 283 |
| Lauderdale County, Tennessee | Rural | 47.8 | 11,853 | 2,735 |
| Laurel County, Kentucky | Rural | 50.5 | 31,782 | 1,013 |
| Laurens County, Georgia | Rural | 52.4 | 26,081 | 132 |
| Laurens County, South Carolina | Urban | 51.3 | 35,223 | 440 |
| Lavaca County, Texas | Rural | 50.9 | 10,455 | 669 |
| Lawrence County, Alabama | Urban | 50.6 | 16,835 | 922 |
| Lawrence County, Arkansas | Rural | 50.8 | 8,243 | 748 |
| Lawrence County, Illinois | Rural | 43.6 | 6,561 | 3,046 |
| Lawrence County, Indiana | Rural | 50.3 | 22,686 | 1,216 |
| Lawrence County, Kentucky | Urban | 51.1 | 8,208 | 546 |
| Lawrence County, Mississippi | Rural | 51.4 | 6,054 | 388 |
| Lawrence County, Missouri | Rural | 49.7 | 19,181 | 1,826 |
| Lawrence County, Ohio | Urban | 51.0 | 29,002 | 616 |
| Lawrence County, Pennsylvania | Urban | 51.3 | 43,659 | 440 |
| Lawrence County, South Dakota | Rural | 49.7 | 13,537 | 1,826 |
| Lawrence County, Tennessee | Rural | 50.8 | 23,045 | 748 |
| Le Flore County, Oklahoma | Rural | 49.6 | 24,307 | 1,906 |
| Le Sueur County, Minnesota | Urban | 48.9 | 14,222 | 2,376 |
| Lea County, New Mexico | Rural | 48.1 | 35,441 | 2,666 |
| Leake County, Mississippi | Rural | 52.2 | 11,137 | 167 |
| Leavenworth County, Kansas | Urban | 46.4 | 38,593 | 2,913 |
| Lebanon County, Pennsylvania | Urban | 50.6 | 73,001 | 922 |
| Lee County, Alabama | Urban | 50.6 | 91,605 | 922 |
| Lee County, Arkansas | Rural | 43.8 | 3,659 | 3,043 |
| Lee County, Florida | Urban | 50.8 | 415,660 | 748 |
| Lee County, Georgia | Urban | 50.1 | 16,844 | 1,408 |
| Lee County, Illinois | Rural | 47.1 | 15,947 | 2,849 |
| Lee County, Iowa | Rural | 49.8 | 16,393 | 1,728 |
| Lee County, Kentucky | Rural | 43.4 | 3,188 | 3,050 |
| Lee County, Mississippi | Rural | 52.4 | 43,477 | 132 |
| Lee County, North Carolina | Rural | 50.6 | 33,281 | 922 |
| Lee County, South Carolina | Rural | 49.4 | 7,988 | 2,068 |
| Lee County, Texas | Rural | 49.8 | 8,942 | 1,728 |
| Lee County, Virginia | Rural | 46.8 | 10,256 | 2,881 |
| Leelanau County, Michigan | Urban | 50.3 | 11,434 | 1,216 |
| Leflore County, Mississippi | Rural | 52.1 | 14,147 | 187 |
| Lehigh County, Pennsylvania | Urban | 50.8 | 192,398 | 748 |
| Lemhi County, Idaho | Rural | 49.1 | 4,052 | 2,258 |
| Lenawee County, Michigan | Rural | 49.2 | 48,467 | 2,195 |
| Lenoir County, North Carolina | Rural | 52.1 | 28,594 | 187 |
| Leon County, Florida | Urban | 52.7 | 156,811 | 92 |
| Leon County, Texas | Rural | 50.1 | 8,148 | 1,408 |
| Leslie County, Kentucky | Rural | 49.8 | 5,017 | 1,728 |
| Letcher County, Kentucky | Rural | 49.8 | 10,371 | 1,728 |
| Levy County, Florida | Urban | 51.0 | 23,158 | 616 |
| Lewis County, Idaho | Rural | 49.8 | 1,832 | 1,728 |
| Lewis County, Kentucky | Rural | 50.0 | 6,487 | 1,520 |
| Lewis County, Missouri | Rural | 49.3 | 4,888 | 2,129 |
| Lewis County, New York | Rural | 49.3 | 13,113 | 2,129 |
| Lewis County, Tennessee | Rural | 49.2 | 6,396 | 2,195 |
| Lewis County, Washington | Rural | 49.7 | 42,315 | 1,826 |
| Lewis County, West Virginia | Rural | 50.0 | 8,376 | 1,520 |
| Lewis and Clark County, Montana | Urban | 50.4 | 37,002 | 1,106 |
| Lexington City, Virginia | Rural | 46.7 | 3,512 | 2,888 |
| Lexington County, South Carolina | Urban | 51.2 | 156,222 | 486 |
| Liberty County, Florida | Rural | 42.8 | 3,289 | 3,066 |
| Liberty County, Georgia | Urban | 48.9 | 32,961 | 2,376 |
| Liberty County, Montana | Rural | 53.2 | 1,038 | 57 |
| Liberty County, Texas | Urban | 50.4 | 52,084 | 1,106 |
| Licking County, Ohio | Urban | 50.6 | 91,929 | 922 |
| Limestone County, Alabama | Urban | 49.9 | 55,503 | 1,623 |
| Limestone County, Texas | Rural | 49.2 | 10,972 | 2,195 |
| Lincoln County, Arkansas | Rural | 36.3 | 4,699 | 3,123 |
| Lincoln County, Colorado | Rural | 42.0 | 2,329 | 3,081 |
| Lincoln County, Georgia | Urban | 50.8 | 3,993 | 748 |
| Lincoln County, Idaho | Rural | 47.5 | 2,547 | 2,799 |
| Lincoln County, Kansas | Rural | 49.7 | 1,452 | 1,826 |
| Lincoln County, Kentucky | Rural | 50.6 | 12,411 | 922 |
| Lincoln County, Maine | Rural | 50.7 | 18,301 | 832 |
| Lincoln County, Minnesota | Rural | 49.7 | 2,785 | 1,826 |
| Lincoln County, Mississippi | Rural | 51.9 | 18,089 | 231 |
| Lincoln County, Missouri | Urban | 49.5 | 31,211 | 1,993 |
| Lincoln County, Montana | Rural | 49.4 | 10,454 | 2,068 |
| Lincoln County, Nebraska | Rural | 50.0 | 16,903 | 1,520 |
| Lincoln County, Nevada | Rural | 48.4 | 2,132 | 2,579 |
| Lincoln County, New Mexico | Rural | 50.6 | 10,242 | 922 |
| Lincoln County, North Carolina | Urban | 50.1 | 46,423 | 1,408 |
| Lincoln County, Oklahoma | Urban | 49.9 | 17,092 | 1,623 |
| Lincoln County, Oregon | Rural | 51.9 | 26,440 | 231 |
| Lincoln County, South Dakota | Urban | 50.6 | 35,712 | 922 |
| Lincoln County, Tennessee | Rural | 49.9 | 17,933 | 1,623 |
| Lincoln County, Washington | Rural | 49.0 | 5,635 | 2,330 |
| Lincoln County, West Virginia | Rural | 50.5 | 10,052 | 1,013 |
| Lincoln County, Wisconsin | Rural | 49.3 | 14,015 | 2,129 |
| Lincoln County, Wyoming | Rural | 48.2 | 9,875 | 2,637 |
| Lincoln Parish, Louisiana | Rural | 50.9 | 24,536 | 669 |
| Linn County, Iowa | Urban | 50.7 | 116,498 | 832 |
| Linn County, Kansas | Urban | 48.9 | 4,772 | 2,376 |
| Linn County, Missouri | Rural | 51.1 | 6,059 | 546 |
| Linn County, Oregon | Urban | 50.1 | 65,504 | 1,408 |
| Lipscomb County, Texas | Rural | 53.4 | 1,557 | 49 |
| Litchfield County, Connecticut | Rural | 50.5 | 94,204 | 1,013 |
| Little River County, Arkansas | Urban | 53.1 | 6,276 | 63 |
| Live Oak County, Texas | Rural | 46.0 | 5,344 | 2,943 |
| Livingston County, Illinois | Rural | 48.2 | 17,150 | 2,637 |
| Livingston County, Kentucky | Urban | 50.4 | 4,488 | 1,106 |
| Livingston County, Michigan | Urban | 49.6 | 97,091 | 1,906 |
| Livingston County, Missouri | Rural | 54.9 | 7,887 | 14 |
| Livingston County, New York | Urban | 49.9 | 30,674 | 1,623 |
| Livingston Parish, Louisiana | Urban | 50.5 | 74,729 | 1,013 |
| Llano County, Texas | Rural | 52.3 | 11,731 | 150 |
| Logan County, Arkansas | Rural | 50.8 | 10,803 | 748 |
| Logan County, Colorado | Rural | 44.6 | 9,323 | 3,017 |
| Logan County, Illinois | Rural | 51.3 | 14,220 | 440 |
| Logan County, Kansas | Rural | 47.8 | 1,293 | 2,735 |
| Logan County, Kentucky | Rural | 50.8 | 14,223 | 748 |
| Logan County, Nebraska | Rural | 49.3 | 381 | 2,129 |
| Logan County, North Dakota | Rural | 49.0 | 891 | 2,330 |
| Logan County, Ohio | Rural | 49.4 | 22,750 | 2,068 |
| Logan County, Oklahoma | Urban | 50.1 | 26,029 | 1,408 |
| Logan County, West Virginia | Rural | 50.2 | 15,773 | 1,309 |
| Long County, Georgia | Urban | 50.9 | 9,357 | 669 |
| Lonoke County, Arkansas | Urban | 50.5 | 37,996 | 1,013 |
| Lorain County, Ohio | Urban | 50.4 | 159,912 | 1,106 |
| Los Alamos County, New Mexico | Rural | 48.1 | 9,352 | 2,666 |
| Los Angeles County, California | Urban | 50.5 | 4,951,031 | 1,013 |
| Loudon County, Tennessee | Urban | 50.5 | 29,593 | 1,013 |
| Loudoun County, Virginia | Urban | 49.9 | 216,221 | 1,623 |
| Louisa County, Iowa | Rural | 49.6 | 5,293 | 1,906 |
| Louisa County, Virginia | Rural | 50.0 | 19,974 | 1,520 |
| Loup County, Nebraska | Rural | 43.3 | 250 | 3,054 |
| Love County, Oklahoma | Rural | 49.6 | 5,092 | 1,906 |
| Loving County, Texas | Rural | 18.2 | 6 | 3,143 |
| Lowndes County, Alabama | Urban | 52.4 | 5,150 | 132 |
| Lowndes County, Georgia | Urban | 51.9 | 62,290 | 231 |
| Lowndes County, Mississippi | Rural | 52.1 | 30,140 | 187 |
| Lubbock County, Texas | Urban | 50.7 | 161,621 | 832 |
| Lucas County, Iowa | Rural | 48.2 | 4,202 | 2,637 |
| Lucas County, Ohio | Urban | 51.4 | 220,136 | 388 |
| Luce County, Michigan | Rural | 39.6 | 2,482 | 3,104 |
| Lumpkin County, Georgia | Urban | 50.2 | 17,322 | 1,309 |
| Luna County, New Mexico | Rural | 48.4 | 12,389 | 2,579 |
| Lunenburg County, Virginia | Rural | 46.5 | 5,593 | 2,903 |
| Luzerne County, Pennsylvania | Urban | 50.1 | 164,282 | 1,408 |
| Lycoming County, Pennsylvania | Urban | 50.7 | 57,483 | 832 |
| Lyman County, South Dakota | Rural | 47.7 | 1,776 | 2,752 |
| Lynchburg City, Virginia | Urban | 53.2 | 42,256 | 57 |
| Lynn County, Texas | Urban | 48.4 | 2,782 | 2,579 |
| Lyon County, Iowa | Rural | 48.8 | 5,931 | 2,422 |
| Lyon County, Kansas | Rural | 51.0 | 16,421 | 616 |
| Lyon County, Kentucky | Rural | 42.3 | 3,769 | 3,075 |
| Lyon County, Minnesota | Rural | 50.7 | 12,925 | 832 |
| Lyon County, Nevada | Urban | 47.9 | 29,548 | 2,715 |
| Mackinac County, Michigan | Rural | 49.8 | 5,461 | 1,728 |
| Macomb County, Michigan | Urban | 51.0 | 448,975 | 616 |
| Macon County, Alabama | Urban | 54.2 | 10,131 | 23 |
| Macon County, Georgia | Rural | 45.0 | 5,340 | 2,995 |
| Macon County, Illinois | Urban | 51.9 | 52,813 | 231 |
| Macon County, Missouri | Rural | 50.8 | 7,705 | 748 |
| Macon County, North Carolina | Rural | 51.2 | 19,433 | 486 |
| Macon County, Tennessee | Urban | 50.6 | 13,274 | 922 |
| Macoupin County, Illinois | Urban | 50.6 | 22,426 | 922 |
| Madera County, California | Urban | 50.9 | 81,839 | 669 |
| Madison County, Alabama | Urban | 50.7 | 205,875 | 832 |
| Madison County, Arkansas | Urban | 50.1 | 8,680 | 1,408 |
| Madison County, Florida | Rural | 48.3 | 8,746 | 2,612 |
| Madison County, Georgia | Urban | 50.5 | 15,922 | 1,013 |
| Madison County, Idaho | Rural | 54.7 | 29,894 | 18 |
| Madison County, Illinois | Urban | 51.1 | 135,078 | 546 |
| Madison County, Indiana | Urban | 49.6 | 65,384 | 1,906 |
| Madison County, Iowa | Urban | 49.7 | 8,407 | 1,826 |
| Madison County, Kentucky | Rural | 51.0 | 48,822 | 616 |
| Madison County, Mississippi | Urban | 52.0 | 58,039 | 205 |
| Madison County, Missouri | Rural | 50.3 | 6,397 | 1,216 |
| Madison County, Montana | Rural | 47.3 | 4,367 | 2,821 |
| Madison County, Nebraska | Rural | 50.3 | 17,872 | 1,216 |
| Madison County, New York | Urban | 50.5 | 34,004 | 1,013 |
| Madison County, North Carolina | Urban | 50.2 | 10,972 | 1,309 |
| Madison County, Ohio | Urban | 44.9 | 19,950 | 2,996 |
| Madison County, Tennessee | Urban | 52.3 | 51,897 | 150 |
| Madison County, Texas | Rural | 42.3 | 5,769 | 3,075 |
| Madison County, Virginia | Rural | 51.1 | 7,178 | 546 |
| Madison Parish, Louisiana | Rural | 52.0 | 4,948 | 205 |
| Magoffin County, Kentucky | Rural | 49.6 | 5,624 | 1,906 |
| Mahaska County, Iowa | Rural | 49.2 | 10,832 | 2,195 |
| Mahnomen County, Minnesota | Rural | 48.9 | 2,622 | 2,376 |
| Mahoning County, Ohio | Urban | 50.9 | 115,292 | 669 |
| Major County, Oklahoma | Rural | 50.8 | 3,874 | 748 |
| Malheur County, Oregon | Rural | 45.1 | 14,418 | 2,988 |
| Manassas City, Virginia | Urban | 49.1 | 21,093 | 2,258 |
| Manassas Park City, Virginia | Urban | 49.3 | 8,284 | 2,129 |
| Manatee County, Florida | Urban | 51.5 | 221,231 | 351 |
| Manistee County, Michigan | Rural | 48.6 | 12,327 | 2,514 |
| Manitowoc County, Wisconsin | Rural | 49.5 | 40,327 | 1,993 |
| Marathon County, Wisconsin | Urban | 49.5 | 68,553 | 1,993 |
| Marengo County, Alabama | Rural | 52.6 | 9,920 | 103 |
| Maricopa County, Arizona | Urban | 50.3 | 2,291,731 | 1,216 |
| Maries County, Missouri | Rural | 49.7 | 4,198 | 1,826 |
| Marin County, California | Urban | 50.8 | 131,092 | 748 |
| Marinette County, Wisconsin | Rural | 49.2 | 20,672 | 2,195 |
| Marion County, Alabama | Rural | 50.5 | 14,739 | 1,013 |
| Marion County, Arkansas | Rural | 50.2 | 8,640 | 1,309 |
| Marion County, Florida | Urban | 51.7 | 206,740 | 283 |
| Marion County, Georgia | Urban | 51.8 | 3,886 | 261 |
| Marion County, Illinois | Rural | 50.8 | 18,791 | 748 |
| Marion County, Indiana | Urban | 51.6 | 503,249 | 316 |
| Marion County, Iowa | Rural | 49.8 | 16,759 | 1,728 |
| Marion County, Kansas | Rural | 49.3 | 5,800 | 2,129 |
| Marion County, Kentucky | Rural | 49.6 | 9,786 | 1,906 |
| Marion County, Mississippi | Rural | 51.6 | 12,483 | 316 |
| Marion County, Missouri | Rural | 51.4 | 14,628 | 388 |
| Marion County, Ohio | Rural | 46.2 | 30,014 | 2,929 |
| Marion County, Oregon | Urban | 49.8 | 173,830 | 1,728 |
| Marion County, South Carolina | Rural | 53.1 | 15,226 | 63 |
| Marion County, Tennessee | Urban | 50.1 | 14,647 | 1,408 |
| Marion County, Texas | Rural | 50.2 | 4,888 | 1,309 |
| Marion County, West Virginia | Rural | 49.9 | 27,916 | 1,623 |
| Mariposa County, California | Rural | 49.1 | 8,393 | 2,258 |
| Marlboro County, South Carolina | Rural | 47.3 | 12,290 | 2,821 |
| Marquette County, Michigan | Rural | 49.3 | 33,057 | 2,129 |
| Marquette County, Wisconsin | Rural | 48.1 | 7,574 | 2,666 |
| Marshall County, Alabama | Rural | 50.4 | 50,293 | 1,106 |
| Marshall County, Illinois | Urban | 49.9 | 5,817 | 1,623 |
| Marshall County, Indiana | Rural | 49.5 | 22,932 | 1,993 |
| Marshall County, Iowa | Rural | 49.3 | 19,785 | 2,129 |
| Marshall County, Kansas | Rural | 48.7 | 4,867 | 2,475 |
| Marshall County, Kentucky | Rural | 50.3 | 15,960 | 1,216 |
| Marshall County, Minnesota | Rural | 48.7 | 4,340 | 2,475 |
| Marshall County, Mississippi | Urban | 49.9 | 16,957 | 1,623 |
| Marshall County, Oklahoma | Rural | 49.1 | 7,755 | 2,258 |
| Marshall County, South Dakota | Rural | 47.1 | 2,044 | 2,849 |
| Marshall County, Tennessee | Rural | 50.5 | 18,214 | 1,013 |
| Marshall County, West Virginia | Urban | 49.0 | 14,638 | 2,330 |
| Martin County, Florida | Urban | 50.5 | 81,860 | 1,013 |
| Martin County, Indiana | Rural | 48.5 | 4,770 | 2,549 |
| Martin County, Kentucky | Rural | 44.4 | 4,900 | 3,024 |
| Martin County, Minnesota | Rural | 50.2 | 9,933 | 1,309 |
| Martin County, North Carolina | Rural | 53.4 | 11,565 | 49 |
| Martin County, Texas | Urban | 41.7 | 2,176 | 3,086 |
| Martinsville City, Virginia | Rural | 53.5 | 7,302 | 37 |
| Mason County, Illinois | Rural | 50.3 | 6,414 | 1,216 |
| Mason County, Kentucky | Rural | 51.2 | 8,678 | 486 |
| Mason County, Michigan | Rural | 50.0 | 14,592 | 1,520 |
| Mason County, Texas | Rural | 48.7 | 1,928 | 2,475 |
| Mason County, Washington | Rural | 48.0 | 32,665 | 2,690 |
| Mason County, West Virginia | Rural | 51.4 | 12,866 | 388 |
| Massac County, Illinois | Urban | 51.3 | 7,110 | 440 |
| Matagorda County, Texas | Rural | 51.1 | 18,548 | 546 |
| Matanuska-Susitna Borough, Alaska | Urban | 47.6 | 53,813 | 2,775 |
| Mathews County, Virginia | Urban | 50.4 | 4,305 | 1,106 |
| Maui County, Hawaii | Urban | 50.2 | 82,576 | 1,309 |
| Maury County, Tennessee | Urban | 51.3 | 55,271 | 440 |
| Maverick County, Texas | Urban | 49.9 | 29,009 | 1,623 |
| Mayes County, Oklahoma | Rural | 49.7 | 19,677 | 1,826 |
| McClain County, Oklahoma | Urban | 50.1 | 22,677 | 1,408 |
| McCone County, Montana | Rural | 46.6 | 779 | 2,897 |
| McCook County, South Dakota | Urban | 48.4 | 2,784 | 2,579 |
| McCormick County, South Carolina | Rural | 47.0 | 4,583 | 2,867 |
| McCracken County, Kentucky | Urban | 51.3 | 34,688 | 440 |
| McCreary County, Kentucky | Rural | 45.1 | 7,615 | 2,988 |
| McCulloch County, Texas | Rural | 50.9 | 3,821 | 669 |
| McCurtain County, Oklahoma | Rural | 50.6 | 15,617 | 922 |
| McDonald County, Missouri | Rural | 48.8 | 11,561 | 2,422 |
| McDonough County, Illinois | Rural | 50.9 | 13,690 | 669 |
| McDowell County, North Carolina | Rural | 49.9 | 22,349 | 1,623 |
| McDowell County, West Virginia | Rural | 46.7 | 8,381 | 2,888 |
| McDuffie County, Georgia | Urban | 50.9 | 11,047 | 669 |
| McHenry County, Illinois | Urban | 49.9 | 155,893 | 1,623 |
| McHenry County, North Dakota | Urban | 48.2 | 2,508 | 2,637 |
| McIntosh County, Georgia | Urban | 49.8 | 5,638 | 1,728 |
| McIntosh County, North Dakota | Rural | 50.1 | 1,251 | 1,408 |
| McIntosh County, Oklahoma | Rural | 50.9 | 9,870 | 669 |
| McKean County, Pennsylvania | Rural | 48.0 | 19,155 | 2,690 |
| McKenzie County, North Dakota | Rural | 46.4 | 6,644 | 2,913 |
| McKinley County, New Mexico | Rural | 51.9 | 36,558 | 231 |
| McLean County, Illinois | Urban | 51.1 | 87,701 | 546 |
| McLean County, Kentucky | Urban | 49.5 | 4,510 | 1,993 |
| McLean County, North Dakota | Rural | 48.2 | 4,739 | 2,637 |
| McLennan County, Texas | Urban | 50.9 | 135,480 | 669 |
| McLeod County, Minnesota | Rural | 49.5 | 18,214 | 1,993 |
| McMinn County, Tennessee | Rural | 50.4 | 27,661 | 1,106 |
| McMullen County, Texas | Rural | 60.6 | 424 | 1 |
| McNairy County, Tennessee | Rural | 50.6 | 13,137 | 922 |
| McPherson County, Kansas | Rural | 50.8 | 15,353 | 748 |
| McPherson County, Nebraska | Rural | 43.2 | 205 | 3,057 |
| McPherson County, South Dakota | Rural | 50.8 | 1,089 | 748 |
| Meade County, Kansas | Rural | 48.1 | 1,877 | 2,666 |
| Meade County, Kentucky | Urban | 49.5 | 14,915 | 1,993 |
| Meade County, South Dakota | Urban | 47.6 | 14,542 | 2,775 |
| Meagher County, Montana | Rural | 48.3 | 969 | 2,612 |
| Mecklenburg County, North Carolina | Urban | 51.7 | 596,541 | 283 |
| Mecklenburg County, Virginia | Rural | 51.1 | 15,582 | 546 |
| Mecosta County, Michigan | Rural | 49.8 | 20,546 | 1,728 |
| Medina County, Ohio | Urban | 50.3 | 92,367 | 1,216 |
| Medina County, Texas | Urban | 47.8 | 25,579 | 2,735 |
| Meeker County, Minnesota | Rural | 48.2 | 11,300 | 2,637 |
| Meigs County, Ohio | Rural | 50.3 | 11,005 | 1,216 |
| Meigs County, Tennessee | Rural | 50.3 | 6,711 | 1,216 |
| Mellette County, South Dakota | Rural | 50.9 | 989 | 669 |
| Menard County, Illinois | Urban | 50.9 | 6,158 | 669 |
| Menard County, Texas | Rural | 50.6 | 990 | 922 |
| Mendocino County, California | Rural | 50.4 | 45,508 | 1,106 |
| Menifee County, Kentucky | Rural | 50.2 | 3,125 | 1,309 |
| Menominee County, Michigan | Rural | 48.6 | 11,297 | 2,514 |
| Menominee County, Wisconsin | Rural | 50.4 | 2,141 | 1,106 |
| Merced County, California | Urban | 49.3 | 142,969 | 2,129 |
| Mercer County, Illinois | Urban | 49.5 | 7,665 | 1,993 |
| Mercer County, Kentucky | Rural | 49.2 | 11,320 | 2,195 |
| Mercer County, Missouri | Rural | 50.7 | 1,766 | 832 |
| Mercer County, New Jersey | Urban | 50.6 | 195,136 | 922 |
| Mercer County, North Dakota | Rural | 49.8 | 4,151 | 1,728 |
| Mercer County, Ohio | Rural | 49.3 | 20,964 | 2,129 |
| Mercer County, Pennsylvania | Rural | 50.4 | 55,086 | 1,106 |
| Mercer County, West Virginia | Rural | 51.7 | 30,297 | 283 |
| Meriwether County, Georgia | Urban | 51.8 | 10,838 | 261 |
| Merrick County, Nebraska | Urban | 48.8 | 3,767 | 2,422 |
| Merrimack County, New Hampshire | Rural | 50.2 | 78,240 | 1,309 |
| Mesa County, Colorado | Urban | 50.5 | 80,150 | 1,013 |
| Metcalfe County, Kentucky | Rural | 51.2 | 5,342 | 486 |
| Miami County, Indiana | Rural | 45.4 | 16,231 | 2,969 |
| Miami County, Kansas | Urban | 50.0 | 17,456 | 1,520 |
| Miami County, Ohio | Urban | 50.3 | 55,426 | 1,216 |
| Miami-Dade County, Florida | Urban | 50.9 | 1,394,636 | 669 |
| Middlesex County, Connecticut | Urban | 50.6 | 83,892 | 922 |
| Middlesex County, Massachusetts | Urban | 50.6 | 829,266 | 922 |
| Middlesex County, New Jersey | Urban | 50.3 | 438,397 | 1,216 |
| Middlesex County, Virginia | Rural | 50.0 | 5,427 | 1,520 |
| Midland County, Michigan | Urban | 50.1 | 41,981 | 1,408 |
| Midland County, Texas | Urban | 49.1 | 85,781 | 2,258 |
| Mifflin County, Pennsylvania | Rural | 50.9 | 23,436 | 669 |
| Milam County, Texas | Rural | 50.0 | 12,771 | 1,520 |
| Millard County, Utah | Rural | 48.7 | 6,480 | 2,475 |
| Mille Lacs County, Minnesota | Urban | 49.1 | 13,310 | 2,258 |
| Miller County, Arkansas | Urban | 50.2 | 21,268 | 1,309 |
| Miller County, Georgia | Rural | 52.3 | 3,057 | 150 |
| Miller County, Missouri | Rural | 49.9 | 12,614 | 1,623 |
| Mills County, Iowa | Urban | 50.1 | 7,293 | 1,408 |
| Mills County, Texas | Rural | 48.6 | 2,191 | 2,514 |
| Milwaukee County, Wisconsin | Urban | 51.4 | 476,282 | 388 |
| Miner County, South Dakota | Rural | 50.3 | 1,156 | 1,216 |
| Mineral County, Colorado | Rural | 49.4 | 360 | 2,068 |
| Mineral County, Montana | Urban | 47.1 | 2,338 | 2,849 |
| Mineral County, Nevada | Rural | 52.9 | 2,403 | 81 |
| Mineral County, West Virginia | Rural | 50.2 | 13,479 | 1,309 |
| Mingo County, West Virginia | Rural | 51.4 | 11,597 | 388 |
| Minidoka County, Idaho | Rural | 49.5 | 10,994 | 1,993 |
| Minnehaha County, South Dakota | Urban | 49.0 | 99,569 | 2,330 |
| Missaukee County, Michigan | Rural | 48.8 | 7,428 | 2,422 |
| Mississippi County, Arkansas | Rural | 50.7 | 19,820 | 832 |
| Mississippi County, Missouri | Rural | 47.9 | 5,707 | 2,715 |
| Missoula County, Montana | Urban | 49.8 | 60,134 | 1,728 |
| Mitchell County, Georgia | Rural | 49.6 | 10,449 | 1,906 |
| Mitchell County, Iowa | Rural | 50.0 | 5,285 | 1,520 |
| Mitchell County, Kansas | Rural | 49.1 | 2,840 | 2,258 |
| Mitchell County, North Carolina | Rural | 51.1 | 7,661 | 546 |
| Mitchell County, Texas | Rural | 36.5 | 3,291 | 3,121 |
| Mobile County, Alabama | Urban | 52.2 | 215,279 | 167 |
| Modoc County, California | Rural | 50.9 | 4,381 | 669 |
| Moffat County, Colorado | Rural | 49.6 | 6,549 | 1,906 |
| Mohave County, Arizona | Urban | 49.5 | 109,064 | 1,993 |
| Moniteau County, Missouri | Urban | 48.3 | 7,373 | 2,612 |
| Monmouth County, New Jersey | Urban | 51.0 | 329,001 | 616 |
| Mono County, California | Rural | 45.5 | 5,988 | 2,967 |
| Monona County, Iowa | Rural | 51.0 | 4,364 | 616 |
| Monongalia County, West Virginia | Urban | 48.3 | 51,794 | 2,612 |
| Monroe County, Alabama | Rural | 52.1 | 10,100 | 187 |
| Monroe County, Arkansas | Rural | 52.7 | 3,474 | 92 |
| Monroe County, Florida | Rural | 48.5 | 39,675 | 2,549 |
| Monroe County, Georgia | Urban | 49.5 | 14,698 | 1,993 |
| Monroe County, Illinois | Urban | 49.8 | 17,461 | 1,728 |
| Monroe County, Indiana | Urban | 50.1 | 70,623 | 1,408 |
| Monroe County, Iowa | Rural | 49.9 | 3,751 | 1,623 |
| Monroe County, Kentucky | Rural | 49.4 | 5,569 | 2,068 |
| Monroe County, Michigan | Urban | 50.2 | 78,001 | 1,309 |
| Monroe County, Mississippi | Rural | 52.3 | 17,658 | 150 |
| Monroe County, Missouri | Rural | 48.3 | 4,220 | 2,612 |
| Monroe County, New York | Urban | 51.5 | 388,062 | 351 |
| Monroe County, Ohio | Rural | 48.8 | 6,458 | 2,422 |
| Monroe County, Pennsylvania | Rural | 49.9 | 83,561 | 1,623 |
| Monroe County, Tennessee | Rural | 50.4 | 24,030 | 1,106 |
| Monroe County, West Virginia | Rural | 49.8 | 6,166 | 1,728 |
| Monroe County, Wisconsin | Rural | 48.7 | 22,510 | 2,475 |
| Montague County, Texas | Rural | 50.6 | 10,644 | 922 |
| Montcalm County, Michigan | Urban | 46.4 | 31,457 | 2,913 |
| Monterey County, California | Urban | 49.0 | 214,371 | 2,330 |
| Montezuma County, Colorado | Rural | 50.1 | 13,232 | 1,408 |
| Montgomery County, Alabama | Urban | 53.0 | 120,127 | 72 |
| Montgomery County, Arkansas | Rural | 50.5 | 4,320 | 1,013 |
| Montgomery County, Georgia | Rural | 48.2 | 4,161 | 2,637 |
| Montgomery County, Illinois | Rural | 46.9 | 13,112 | 2,871 |
| Montgomery County, Indiana | Rural | 49.2 | 18,862 | 2,195 |
| Montgomery County, Iowa | Rural | 49.8 | 5,088 | 1,728 |
| Montgomery County, Kansas | Rural | 50.5 | 15,616 | 1,013 |
| Montgomery County, Kentucky | Rural | 51.5 | 14,634 | 351 |
| Montgomery County, Maryland | Urban | 51.3 | 546,559 | 440 |
| Montgomery County, Mississippi | Rural | 49.6 | 4,765 | 1,906 |
| Montgomery County, Missouri | Rural | 49.4 | 5,640 | 2,068 |
| Montgomery County, New York | Rural | 50.0 | 24,788 | 1,520 |
| Montgomery County, North Carolina | Rural | 51.1 | 13,286 | 546 |
| Montgomery County, Ohio | Urban | 51.6 | 276,459 | 316 |
| Montgomery County, Pennsylvania | Urban | 51.0 | 442,276 | 616 |
| Montgomery County, Tennessee | Urban | 50.2 | 117,496 | 1,309 |
| Montgomery County, Texas | Urban | 50.3 | 344,177 | 1,216 |
| Montgomery County, Virginia | Urban | 48.2 | 47,776 | 2,637 |
| Montmorency County, Michigan | Rural | 48.5 | 4,611 | 2,549 |
| Montour County, Pennsylvania | Rural | 50.9 | 9,221 | 669 |
| Montrose County, Colorado | Rural | 50.0 | 21,892 | 1,520 |
| Moody County, South Dakota | Rural | 49.7 | 3,180 | 1,826 |
| Moore County, North Carolina | Urban | 51.0 | 53,525 | 616 |
| Moore County, Tennessee | Rural | 52.2 | 3,485 | 167 |
| Moore County, Texas | Rural | 47.2 | 10,081 | 2,837 |
| Mora County, New Mexico | Rural | 54.4 | 2,258 | 21 |
| Morehouse Parish, Louisiana | Urban | 51.5 | 12,635 | 351 |
| Morgan County, Alabama | Urban | 50.3 | 62,617 | 1,216 |
| Morgan County, Colorado | Rural | 47.6 | 14,064 | 2,775 |
| Morgan County, Georgia | Urban | 52.0 | 10,952 | 205 |
| Morgan County, Illinois | Rural | 50.5 | 16,681 | 1,013 |
| Morgan County, Indiana | Urban | 50.1 | 36,371 | 1,408 |
| Morgan County, Kentucky | Rural | 42.7 | 5,994 | 3,068 |
| Morgan County, Missouri | Rural | 49.3 | 10,701 | 2,129 |
| Morgan County, Ohio | Rural | 49.3 | 6,725 | 2,129 |
| Morgan County, Tennessee | Urban | 44.8 | 9,561 | 3,000 |
| Morgan County, Utah | Urban | 48.0 | 6,147 | 2,690 |
| Morgan County, West Virginia | Urban | 49.1 | 8,559 | 2,258 |
| Morrill County, Nebraska | Rural | 47.9 | 2,170 | 2,715 |
| Morris County, Kansas | Rural | 47.6 | 2,543 | 2,775 |
| Morris County, New Jersey | Urban | 50.4 | 259,484 | 1,106 |
| Morris County, Texas | Rural | 52.3 | 6,320 | 150 |
| Morrison County, Minnesota | Rural | 49.1 | 16,813 | 2,258 |
| Morrow County, Ohio | Urban | 49.6 | 17,546 | 1,906 |
| Morrow County, Oregon | Rural | 49.4 | 6,082 | 2,068 |
| Morton County, Kansas | Rural | 50.7 | 1,323 | 832 |
| Morton County, North Dakota | Urban | 49.1 | 16,587 | 2,258 |
| Motley County, Texas | Rural | 47.7 | 564 | 2,752 |
| Moultrie County, Illinois | Rural | 50.4 | 7,274 | 1,106 |
| Mountrail County, North Dakota | Rural | 48.8 | 4,639 | 2,422 |
| Mower County, Minnesota | Rural | 49.8 | 20,109 | 1,728 |
| Muhlenberg County, Kentucky | Rural | 48.8 | 14,917 | 2,422 |
| Multnomah County, Oregon | Urban | 50.3 | 402,830 | 1,216 |
| Murray County, Georgia | Urban | 50.1 | 20,305 | 1,408 |
| Murray County, Minnesota | Rural | 49.9 | 4,044 | 1,623 |
| Murray County, Oklahoma | Rural | 49.2 | 6,773 | 2,195 |
| Muscatine County, Iowa | Rural | 49.7 | 21,157 | 1,826 |
| Muscogee County, Georgia | Urban | 51.9 | 105,702 | 231 |
| Muskegon County, Michigan | Urban | 50.1 | 88,173 | 1,408 |
| Muskingum County, Ohio | Rural | 51.2 | 44,220 | 486 |
| Muskogee County, Oklahoma | Rural | 50.9 | 33,789 | 669 |
| Musselshell County, Montana | Rural | 48.5 | 2,500 | 2,549 |
| Nacogdoches County, Texas | Rural | 51.8 | 33,724 | 261 |
| Nance County, Nebraska | Rural | 49.6 | 1,649 | 1,906 |
| Nantucket County, Massachusetts | Rural | 47.9 | 6,933 | 2,715 |
| Napa County, California | Urban | 50.0 | 67,435 | 1,520 |
| Nash County, North Carolina | Urban | 51.7 | 49,784 | 283 |
| Nassau County, Florida | Urban | 50.6 | 49,473 | 922 |
| Nassau County, New York | Urban | 50.8 | 705,706 | 748 |
| Natchitoches Parish, Louisiana | Rural | 52.2 | 19,143 | 167 |
| Natrona County, Wyoming | Urban | 49.4 | 39,536 | 2,068 |
| Navajo County, Arizona | Rural | 49.7 | 53,889 | 1,826 |
| Navarro County, Texas | Rural | 50.6 | 27,677 | 922 |
| Nelson County, Kentucky | Urban | 50.0 | 23,807 | 1,520 |
| Nelson County, North Dakota | Rural | 49.4 | 1,489 | 2,068 |
| Nelson County, Virginia | Urban | 49.4 | 7,273 | 2,068 |
| Nemaha County, Kansas | Rural | 48.8 | 4,960 | 2,422 |
| Nemaha County, Nebraska | Rural | 48.6 | 3,422 | 2,514 |
| Neosho County, Kansas | Rural | 49.9 | 7,806 | 1,623 |
| Neshoba County, Mississippi | Rural | 52.4 | 15,168 | 132 |
| Ness County, Kansas | Rural | 49.2 | 1,306 | 2,195 |
| Nevada County, Arkansas | Rural | 49.8 | 4,062 | 1,728 |
| Nevada County, California | Rural | 50.6 | 51,817 | 922 |
| New Castle County, Delaware | Urban | 51.5 | 297,537 | 351 |
| New Hanover County, North Carolina | Urban | 52.4 | 123,289 | 132 |
| New Haven County, Connecticut | Urban | 51.6 | 447,641 | 316 |
| New Kent County, Virginia | Urban | 47.9 | 12,021 | 2,715 |
| New London County, Connecticut | Urban | 49.9 | 133,926 | 1,623 |
| New Madrid County, Missouri | Rural | 52.2 | 8,205 | 167 |
| New York County, New York | Urban | 52.2 | 850,787 | 167 |
| Newaygo County, Michigan | Rural | 49.3 | 25,027 | 2,129 |
| Newberry County, South Carolina | Rural | 50.7 | 19,499 | 832 |
| Newport County, Rhode Island | Urban | 50.5 | 42,794 | 1,013 |
| Newport News City, Virginia | Urban | 51.5 | 94,788 | 351 |
| Newton County, Arkansas | Rural | 48.7 | 3,467 | 2,475 |
| Newton County, Georgia | Urban | 53.5 | 63,183 | 37 |
| Newton County, Indiana | Urban | 49.2 | 6,848 | 2,195 |
| Newton County, Mississippi | Rural | 51.0 | 10,766 | 616 |
| Newton County, Missouri | Urban | 50.6 | 30,393 | 922 |
| Newton County, Texas | Rural | 49.1 | 5,941 | 2,258 |
| Nez Perce County, Idaho | Urban | 50.2 | 21,417 | 1,309 |
| Niagara County, New York | Urban | 50.8 | 107,118 | 748 |
| Nicholas County, Kentucky | Rural | 50.5 | 3,892 | 1,013 |
| Nicholas County, West Virginia | Rural | 49.4 | 11,992 | 2,068 |
| Nicollet County, Minnesota | Urban | 49.9 | 17,158 | 1,623 |
| Niobrara County, Wyoming | Rural | 55.3 | 1,310 | 12 |
| Noble County, Indiana | Rural | 49.8 | 23,636 | 1,728 |
| Noble County, Ohio | Rural | 39.0 | 5,563 | 3,108 |
| Noble County, Oklahoma | Rural | 51.1 | 5,570 | 546 |
| Nobles County, Minnesota | Rural | 47.5 | 10,469 | 2,799 |
| Nodaway County, Missouri | Rural | 50.1 | 10,411 | 1,408 |
| Nolan County, Texas | Rural | 49.1 | 7,094 | 2,258 |
| Nome Census Area, Alaska | Rural | 47.3 | 4,669 | 2,821 |
| Norfolk City, Virginia | Urban | 49.3 | 115,262 | 2,129 |
| Norfolk County, Massachusetts | Urban | 51.5 | 376,142 | 351 |
| Norman County, Minnesota | Rural | 48.3 | 3,075 | 2,612 |
| North Slope Borough, Alaska | Rural | 38.8 | 4,196 | 3,111 |
| Northampton County, North Carolina | Rural | 51.6 | 8,730 | 316 |
| Northampton County, Pennsylvania | Urban | 50.5 | 160,760 | 1,013 |
| Northampton County, Virginia | Rural | 51.3 | 6,187 | 440 |
| Northumberland County, Pennsylvania | Rural | 49.0 | 44,413 | 2,330 |
| Northumberland County, Virginia | Rural | 52.3 | 6,378 | 150 |
| Northwest Arctic Borough, Alaska | Rural | 47.8 | 3,554 | 2,735 |
| Norton City, Virginia | Rural | 52.1 | 1,863 | 187 |
| Norton County, Kansas | Rural | 45.3 | 2,426 | 2,977 |
| Nottoway County, Virginia | Rural | 45.5 | 7,103 | 2,967 |
| Nowata County, Oklahoma | Rural | 50.9 | 4,800 | 669 |
| Noxubee County, Mississippi | Rural | 53.9 | 5,401 | 27 |
| Nuckolls County, Nebraska | Rural | 50.9 | 2,081 | 669 |
| Nueces County, Texas | Urban | 50.3 | 177,587 | 1,216 |
| Nye County, Nevada | Rural | 48.9 | 26,573 | 2,376 |
| O'Brien County, Iowa | Rural | 50.0 | 7,070 | 1,520 |
| Oakland County, Michigan | Urban | 50.6 | 647,667 | 922 |
| Obion County, Tennessee | Rural | 51.7 | 15,739 | 283 |
| Ocean County, New Jersey | Urban | 51.3 | 335,577 | 440 |
| Oceana County, Michigan | Rural | 48.8 | 13,138 | 2,422 |
| Ochiltree County, Texas | Rural | 50.0 | 4,891 | 1,520 |
| Oconee County, Georgia | Urban | 50.3 | 21,913 | 1,216 |
| Oconee County, South Carolina | Rural | 50.5 | 40,668 | 1,013 |
| Oconto County, Wisconsin | Urban | 48.4 | 19,146 | 2,579 |
| Ogemaw County, Michigan | Rural | 49.8 | 10,399 | 1,728 |
| Oglala Lakota, South Dakota | Rural | 52.1 | 7,024 | 187 |
| Ogle County, Illinois | Rural | 50.1 | 25,789 | 1,408 |
| Oglethorpe County, Georgia | Urban | 49.2 | 7,631 | 2,195 |
| Ohio County, Indiana | Urban | 49.5 | 2,968 | 1,993 |
| Ohio County, Kentucky | Rural | 50.3 | 11,949 | 1,216 |
| Ohio County, West Virginia | Urban | 51.2 | 21,291 | 486 |
| Okaloosa County, Florida | Urban | 49.3 | 106,713 | 2,129 |
| Okanogan County, Washington | Rural | 48.6 | 21,125 | 2,514 |
| Okeechobee County, Florida | Rural | 46.5 | 18,997 | 2,903 |
| Okfuskee County, Oklahoma | Rural | 45.8 | 5,169 | 2,953 |
| Oklahoma County, Oklahoma | Urban | 50.9 | 410,244 | 669 |
| Okmulgee County, Oklahoma | Urban | 50.2 | 18,539 | 1,309 |
| Oktibbeha County, Mississippi | Rural | 50.5 | 26,133 | 1,013 |
| Oldham County, Kentucky | Urban | 47.8 | 33,086 | 2,735 |
| Oldham County, Texas | Urban | 44.5 | 1,000 | 3,023 |
| Oliver County, North Dakota | Urban | 47.6 | 876 | 2,775 |
| Olmsted County, Minnesota | Urban | 51.2 | 84,169 | 486 |
| Oneida County, Idaho | Rural | 50.7 | 2,416 | 832 |
| Oneida County, New York | Urban | 50.0 | 114,583 | 1,520 |
| Oneida County, Wisconsin | Rural | 49.4 | 18,866 | 2,068 |
| Onondaga County, New York | Urban | 51.4 | 242,369 | 388 |
| Onslow County, North Carolina | Urban | 44.9 | 93,429 | 2,996 |
| Ontario County, New York | Urban | 50.7 | 57,135 | 832 |
| Ontonagon County, Michigan | Rural | 48.4 | 2,834 | 2,579 |
| Orange County, California | Urban | 50.5 | 1,597,407 | 1,013 |
| Orange County, Florida | Urban | 50.8 | 747,470 | 748 |
| Orange County, Indiana | Rural | 50.1 | 9,908 | 1,408 |
| Orange County, New York | Urban | 50.1 | 203,807 | 1,408 |
| Orange County, North Carolina | Urban | 52.2 | 78,145 | 167 |
| Orange County, Texas | Urban | 50.7 | 43,275 | 832 |
| Orange County, Vermont | Rural | 50.1 | 14,904 | 1,408 |
| Orange County, Virginia | Rural | 50.0 | 18,917 | 1,520 |
| Orangeburg County, South Carolina | Rural | 53.1 | 44,219 | 63 |
| Oregon County, Missouri | Rural | 49.9 | 4,332 | 1,623 |
| Orleans County, New York | Urban | 49.2 | 19,489 | 2,195 |
| Orleans County, Vermont | Rural | 49.3 | 13,603 | 2,129 |
| Orleans Parish, Louisiana | Urban | 52.9 | 196,861 | 81 |
| Osage County, Kansas | Urban | 49.1 | 7,724 | 2,258 |
| Osage County, Missouri | Urban | 48.7 | 6,525 | 2,475 |
| Osage County, Oklahoma | Urban | 49.6 | 22,814 | 1,906 |
| Osborne County, Kansas | Rural | 49.7 | 1,716 | 1,826 |
| Osceola County, Florida | Urban | 50.4 | 215,407 | 1,106 |
| Osceola County, Iowa | Rural | 46.7 | 2,849 | 2,888 |
| Osceola County, Michigan | Rural | 48.8 | 11,345 | 2,422 |
| Oscoda County, Michigan | Rural | 49.1 | 4,133 | 2,258 |
| Oswego County, New York | Urban | 49.7 | 58,623 | 1,826 |
| Otero County, Colorado | Rural | 50.1 | 9,183 | 1,408 |
| Otero County, New Mexico | Rural | 47.3 | 32,528 | 2,821 |
| Otoe County, Nebraska | Rural | 49.0 | 7,954 | 2,330 |
| Otsego County, Michigan | Rural | 49.5 | 12,657 | 1,993 |
| Otsego County, New York | Rural | 51.5 | 30,953 | 351 |
| Ottawa County, Kansas | Rural | 48.0 | 2,792 | 2,690 |
| Ottawa County, Michigan | Urban | 50.4 | 151,791 | 1,106 |
| Ottawa County, Ohio | Urban | 50.0 | 20,016 | 1,520 |
| Ottawa County, Oklahoma | Rural | 50.7 | 15,371 | 832 |
| Otter Tail County, Minnesota | Rural | 49.5 | 29,948 | 1,993 |
| Ouachita County, Arkansas | Rural | 51.8 | 11,439 | 261 |
| Ouachita Parish, Louisiana | Urban | 51.9 | 82,223 | 231 |
| Ouray County, Colorado | Rural | 49.9 | 2,540 | 1,623 |
| Outagamie County, Wisconsin | Urban | 49.8 | 95,941 | 1,728 |
| Overton County, Tennessee | Rural | 49.7 | 11,457 | 1,826 |
| Owen County, Indiana | Urban | 49.2 | 10,632 | 2,195 |
| Owen County, Kentucky | Rural | 48.6 | 5,507 | 2,514 |
| Owsley County, Kentucky | Rural | 49.5 | 1,965 | 1,993 |
| Owyhee County, Idaho | Urban | 48.3 | 6,038 | 2,612 |
| Oxford County, Maine | Rural | 50.0 | 29,647 | 1,520 |
| Ozark County, Missouri | Rural | 49.8 | 4,421 | 1,728 |
| Ozaukee County, Wisconsin | Urban | 50.3 | 46,800 | 1,216 |
| Pacific County, Washington | Rural | 51.0 | 12,239 | 616 |
| Page County, Iowa | Rural | 47.1 | 7,122 | 2,849 |
| Page County, Virginia | Rural | 50.3 | 11,944 | 1,216 |
| Palm Beach County, Florida | Urban | 51.2 | 785,422 | 486 |
| Palo Alto County, Iowa | Rural | 49.4 | 4,377 | 2,068 |
| Palo Pinto County, Texas | Rural | 50.9 | 14,922 | 669 |
| Pamlico County, North Carolina | Rural | 48.6 | 6,024 | 2,514 |
| Panola County, Mississippi | Rural | 52.3 | 17,153 | 150 |
| Panola County, Texas | Rural | 50.0 | 11,353 | 1,520 |
| Park County, Colorado | Urban | 47.8 | 8,568 | 2,735 |
| Park County, Montana | Rural | 50.0 | 8,860 | 1,520 |
| Park County, Wyoming | Rural | 50.5 | 15,375 | 1,013 |
| Parke County, Indiana | Rural | 51.5 | 8,445 | 351 |
| Parker County, Texas | Urban | 49.9 | 82,420 | 1,623 |
| Parmer County, Texas | Rural | 47.0 | 4,578 | 2,867 |
| Pasco County, Florida | Urban | 51.1 | 312,210 | 546 |
| Pasquotank County, North Carolina | Rural | 51.8 | 21,163 | 261 |
| Passaic County, New Jersey | Urban | 50.9 | 265,110 | 669 |
| Patrick County, Virginia | Rural | 49.8 | 8,718 | 1,728 |
| Paulding County, Georgia | Urban | 51.1 | 91,388 | 546 |
| Paulding County, Ohio | Rural | 50.1 | 9,422 | 1,408 |
| Pawnee County, Kansas | Rural | 45.4 | 2,790 | 2,969 |
| Pawnee County, Nebraska | Rural | 50.4 | 1,276 | 1,106 |
| Pawnee County, Oklahoma | Urban | 49.4 | 7,807 | 2,068 |
| Payette County, Idaho | Rural | 50.0 | 13,381 | 1,520 |
| Payne County, Oklahoma | Rural | 48.9 | 40,587 | 2,376 |
| Peach County, Georgia | Urban | 51.3 | 14,646 | 440 |
| Pearl River County, Mississippi | Rural | 50.7 | 29,137 | 832 |
| Pecos County, Texas | Rural | 43.9 | 6,542 | 3,039 |
| Pembina County, North Dakota | Rural | 46.3 | 3,112 | 2,924 |
| Pemiscot County, Missouri | Rural | 52.7 | 7,890 | 92 |
| Pend Oreille County, Washington | Rural | 48.3 | 6,784 | 2,612 |
| Pender County, North Carolina | Urban | 49.3 | 32,298 | 2,129 |
| Pendleton County, Kentucky | Urban | 48.7 | 7,164 | 2,475 |
| Pendleton County, West Virginia | Rural | 48.2 | 2,915 | 2,637 |
| Pennington County, Minnesota | Rural | 50.1 | 6,905 | 1,408 |
| Pennington County, South Dakota | Urban | 49.0 | 55,604 | 2,330 |
| Penobscot County, Maine | Urban | 50.3 | 77,861 | 1,216 |
| Peoria County, Illinois | Urban | 51.2 | 92,050 | 486 |
| Pepin County, Wisconsin | Rural | 49.0 | 3,641 | 2,330 |
| Perkins County, Nebraska | Rural | 48.8 | 1,377 | 2,422 |
| Perkins County, South Dakota | Rural | 52.2 | 1,566 | 167 |
| Perquimans County, North Carolina | Rural | 52.1 | 6,904 | 187 |
| Perry County, Alabama | Rural | 55.2 | 4,430 | 13 |
| Perry County, Arkansas | Urban | 49.9 | 5,045 | 1,623 |
| Perry County, Illinois | Rural | 44.7 | 9,228 | 3,008 |
| Perry County, Indiana | Rural | 45.2 | 8,717 | 2,983 |
| Perry County, Kentucky | Rural | 50.7 | 13,941 | 832 |
| Perry County, Mississippi | Urban | 49.5 | 5,670 | 1,993 |
| Perry County, Missouri | Rural | 50.5 | 9,589 | 1,013 |
| Perry County, Ohio | Urban | 49.6 | 17,634 | 1,906 |
| Perry County, Pennsylvania | Urban | 49.4 | 22,828 | 2,068 |
| Perry County, Tennessee | Rural | 48.4 | 4,207 | 2,579 |
| Pershing County, Nevada | Rural | 36.9 | 2,391 | 3,120 |
| Person County, North Carolina | Urban | 52.0 | 20,543 | 205 |
| Petersburg Census Area, Alaska | Rural | 46.0 | 1,567 | 2,943 |
| Petersburg City, Virginia | Urban | 54.8 | 18,394 | 15 |
| Petroleum County, Montana | Rural | 44.7 | 200 | 3,008 |
| Pettis County, Missouri | Rural | 49.6 | 21,534 | 1,906 |
| Phelps County, Missouri | Rural | 47.6 | 21,503 | 2,775 |
| Phelps County, Nebraska | Rural | 48.2 | 4,340 | 2,637 |
| Philadelphia County, Pennsylvania | Urban | 52.7 | 832,320 | 92 |
| Phillips County, Arkansas | Rural | 53.5 | 8,273 | 37 |
| Phillips County, Colorado | Rural | 50.7 | 2,279 | 832 |
| Phillips County, Kansas | Rural | 48.2 | 2,319 | 2,637 |
| Phillips County, Montana | Rural | 47.5 | 2,005 | 2,799 |
| Piatt County, Illinois | Urban | 50.1 | 8,366 | 1,408 |
| Pickaway County, Ohio | Urban | 47.9 | 28,779 | 2,715 |
| Pickens County, Alabama | Urban | 49.5 | 9,275 | 1,993 |
| Pickens County, Georgia | Urban | 50.3 | 17,571 | 1,216 |
| Pickens County, South Carolina | Urban | 50.1 | 67,401 | 1,408 |
| Pickett County, Tennessee | Rural | 48.4 | 2,456 | 2,579 |
| Pierce County, Georgia | Rural | 48.8 | 9,854 | 2,422 |
| Pierce County, Nebraska | Rural | 49.0 | 3,592 | 2,330 |
| Pierce County, North Dakota | Rural | 49.1 | 1,928 | 2,258 |
| Pierce County, Washington | Urban | 49.8 | 463,228 | 1,728 |
| Pierce County, Wisconsin | Urban | 50.0 | 21,299 | 1,520 |
| Pike County, Alabama | Rural | 52.5 | 17,330 | 118 |
| Pike County, Arkansas | Rural | 51.3 | 5,184 | 440 |
| Pike County, Georgia | Urban | 51.2 | 10,197 | 486 |
| Pike County, Illinois | Rural | 49.9 | 7,221 | 1,623 |
| Pike County, Indiana | Rural | 49.9 | 6,066 | 1,623 |
| Pike County, Kentucky | Rural | 50.4 | 28,588 | 1,106 |
| Pike County, Mississippi | Rural | 52.9 | 20,955 | 81 |
| Pike County, Missouri | Rural | 45.9 | 8,128 | 2,948 |
| Pike County, Ohio | Rural | 50.4 | 13,629 | 1,106 |
| Pike County, Pennsylvania | Rural | 49.2 | 29,826 | 2,195 |
| Pima County, Arizona | Urban | 50.6 | 536,233 | 922 |
| Pinal County, Arizona | Urban | 48.2 | 226,290 | 2,637 |
| Pine County, Minnesota | Rural | 46.4 | 13,753 | 2,913 |
| Pinellas County, Florida | Urban | 51.7 | 498,385 | 283 |
| Pipestone County, Minnesota | Rural | 50.1 | 4,651 | 1,408 |
| Piscataquis County, Maine | Rural | 49.2 | 8,485 | 2,195 |
| Pitkin County, Colorado | Rural | 49.5 | 8,401 | 1,993 |
| Pitt County, North Carolina | Urban | 53.0 | 93,996 | 72 |
| Pittsburg County, Oklahoma | Rural | 49.2 | 21,416 | 2,195 |
| Pittsylvania County, Virginia | Rural | 50.2 | 30,073 | 1,309 |
| Piute County, Utah | Rural | 48.9 | 828 | 2,376 |
| Placer County, California | Urban | 50.8 | 212,935 | 748 |
| Plaquemines Parish, Louisiana | Urban | 48.3 | 11,025 | 2,612 |
| Platte County, Missouri | Urban | 50.6 | 55,801 | 922 |
| Platte County, Nebraska | Rural | 49.0 | 16,996 | 2,330 |
| Platte County, Wyoming | Rural | 48.7 | 4,192 | 2,475 |
| Pleasants County, West Virginia | Rural | 45.8 | 3,448 | 2,953 |
| Plumas County, California | Rural | 48.8 | 9,488 | 2,422 |
| Plymouth County, Iowa | Rural | 49.1 | 12,632 | 2,258 |
| Plymouth County, Massachusetts | Urban | 51.1 | 273,288 | 546 |
| Pocahontas County, Iowa | Rural | 50.0 | 3,522 | 1,520 |
| Pocahontas County, West Virginia | Rural | 47.4 | 3,693 | 2,813 |
| Poinsett County, Arkansas | Urban | 51.2 | 11,540 | 486 |
| Pointe Coupee Parish, Louisiana | Urban | 50.2 | 10,150 | 1,309 |
| Polk County, Arkansas | Rural | 51.7 | 10,013 | 283 |
| Polk County, Florida | Urban | 50.7 | 400,821 | 832 |
| Polk County, Georgia | Rural | 51.1 | 22,389 | 546 |
| Polk County, Iowa | Urban | 50.2 | 252,715 | 1,309 |
| Polk County, Minnesota | Urban | 48.6 | 14,918 | 2,514 |
| Polk County, Missouri | Urban | 51.0 | 16,531 | 616 |
| Polk County, Nebraska | Rural | 49.3 | 2,575 | 2,129 |
| Polk County, North Carolina | Rural | 52.1 | 10,361 | 187 |
| Polk County, Oregon | Urban | 50.8 | 45,540 | 748 |
| Polk County, Tennessee | Urban | 49.5 | 8,856 | 1,993 |
| Polk County, Texas | Rural | 46.2 | 24,397 | 2,929 |
| Polk County, Wisconsin | Rural | 49.1 | 22,372 | 2,258 |
| Pondera County, Montana | Rural | 49.4 | 2,984 | 2,068 |
| Pontotoc County, Mississippi | Rural | 50.3 | 15,854 | 1,216 |
| Pontotoc County, Oklahoma | Rural | 51.1 | 19,554 | 546 |
| Pope County, Arkansas | Rural | 50.3 | 32,241 | 1,216 |
| Pope County, Illinois | Rural | 49.0 | 1,831 | 2,330 |
| Pope County, Minnesota | Rural | 48.7 | 5,556 | 2,475 |
| Poquoson City, Virginia | Urban | 49.2 | 6,220 | 2,195 |
| Portage County, Ohio | Urban | 50.7 | 82,070 | 832 |
| Portage County, Wisconsin | Rural | 49.0 | 34,728 | 2,330 |
| Porter County, Indiana | Urban | 50.5 | 88,268 | 1,013 |
| Portsmouth City, Virginia | Urban | 52.1 | 50,632 | 187 |
| Posey County, Indiana | Urban | 49.8 | 12,509 | 1,728 |
| Pottawatomie County, Kansas | Urban | 49.8 | 13,050 | 1,728 |
| Pottawatomie County, Oklahoma | Rural | 51.9 | 38,138 | 231 |
| Pottawattamie County, Iowa | Urban | 50.5 | 47,176 | 1,013 |
| Potter County, Pennsylvania | Rural | 49.8 | 8,067 | 1,728 |
| Potter County, South Dakota | Rural | 52.2 | 1,246 | 167 |
| Potter County, Texas | Urban | 48.6 | 56,407 | 2,514 |
| Powder River County, Montana | Rural | 49.9 | 905 | 1,623 |
| Powell County, Kentucky | Rural | 50.1 | 6,528 | 1,408 |
| Powell County, Montana | Rural | 35.0 | 2,468 | 3,132 |
| Power County, Idaho | Rural | 48.0 | 3,900 | 2,690 |
| Poweshiek County, Iowa | Rural | 51.3 | 9,505 | 440 |
| Powhatan County, Virginia | Urban | 48.3 | 15,228 | 2,612 |
| Prairie County, Arkansas | Rural | 49.5 | 3,993 | 1,993 |
| Prairie County, Montana | Rural | 46.2 | 578 | 2,929 |
| Pratt County, Kansas | Rural | 49.9 | 4,550 | 1,623 |
| Preble County, Ohio | Rural | 50.2 | 20,470 | 1,309 |
| Prentiss County, Mississippi | Rural | 50.4 | 12,686 | 1,106 |
| Presidio County, Texas | Rural | 46.2 | 2,742 | 2,929 |
| Presque Isle County, Michigan | Rural | 49.6 | 6,554 | 1,906 |
| Preston County, West Virginia | Urban | 46.7 | 15,937 | 2,888 |
| Price County, Wisconsin | Rural | 48.2 | 6,786 | 2,637 |
| Prince Edward County, Virginia | Rural | 48.8 | 10,741 | 2,422 |
| Prince George County, Virginia | Urban | 43.8 | 18,877 | 3,043 |
| Prince Georges County, Maryland | Urban | 51.6 | 495,259 | 316 |
| Prince William County, Virginia | Urban | 49.8 | 243,308 | 1,728 |
| Prince of Wales-Hyder Census Area, Alaska | Rural | 44.8 | 2,563 | 3,000 |
| Providence County, Rhode Island | Urban | 50.9 | 338,139 | 669 |
| Prowers County, Colorado | Rural | 49.6 | 5,907 | 1,906 |
| Pueblo County, Colorado | Urban | 50.4 | 85,302 | 1,106 |
| Puerto Rico | Urban | 52.7 | 1,705,040 | 92 |
| Pulaski County, Arkansas | Urban | 52.2 | 208,620 | 167 |
| Pulaski County, Georgia | Rural | 56.9 | 5,659 | 5 |
| Pulaski County, Illinois | Rural | 49.0 | 2,457 | 2,330 |
| Pulaski County, Indiana | Rural | 49.8 | 6,190 | 1,728 |
| Pulaski County, Kentucky | Rural | 50.7 | 33,387 | 832 |
| Pulaski County, Missouri | Rural | 44.0 | 23,721 | 3,036 |
| Pulaski County, Virginia | Urban | 50.2 | 16,915 | 1,309 |
| Pushmataha County, Oklahoma | Rural | 51.2 | 5,528 | 486 |
| Putnam County, Florida | Rural | 50.6 | 38,000 | 922 |
| Putnam County, Georgia | Rural | 50.7 | 11,588 | 832 |
| Putnam County, Illinois | Rural | 48.1 | 2,693 | 2,666 |
| Putnam County, Indiana | Rural | 47.1 | 17,542 | 2,849 |
| Putnam County, Missouri | Rural | 47.8 | 2,220 | 2,735 |
| Putnam County, New York | Urban | 49.6 | 48,643 | 1,906 |
| Putnam County, Ohio | Rural | 49.9 | 17,119 | 1,623 |
| Putnam County, Tennessee | Rural | 50.1 | 41,378 | 1,408 |
| Putnam County, West Virginia | Urban | 50.5 | 28,861 | 1,013 |
| Quay County, New Mexico | Rural | 50.9 | 4,359 | 669 |
| Queen Annes County, Maryland | Urban | 50.1 | 25,986 | 1,408 |
| Queens County, New York | Urban | 51.1 | 1,188,024 | 546 |
| Quitman County, Georgia | Rural | 47.5 | 1,075 | 2,799 |
| Quitman County, Mississippi | Rural | 52.0 | 3,003 | 205 |
| Rabun County, Georgia | Rural | 50.7 | 8,782 | 832 |
| Racine County, Wisconsin | Urban | 50.2 | 99,127 | 1,309 |
| Radford City, Virginia | Urban | 55.7 | 9,319 | 7 |
| Rains County, Texas | Rural | 49.1 | 6,269 | 2,258 |
| Raleigh County, West Virginia | Urban | 49.4 | 36,190 | 2,068 |
| Ralls County, Missouri | Rural | 49.1 | 5,123 | 2,258 |
| Ramsey County, Minnesota | Urban | 50.9 | 276,473 | 669 |
| Ramsey County, North Dakota | Rural | 49.5 | 5,716 | 1,993 |
| Randall County, Texas | Urban | 50.7 | 74,082 | 832 |
| Randolph County, Alabama | Rural | 50.8 | 11,442 | 748 |
| Randolph County, Arkansas | Rural | 49.8 | 9,383 | 1,728 |
| Randolph County, Georgia | Rural | 58.5 | 3,625 | 3 |
| Randolph County, Illinois | Rural | 46.1 | 13,869 | 2,935 |
| Randolph County, Indiana | Rural | 49.8 | 12,154 | 1,728 |
| Randolph County, Missouri | Rural | 47.7 | 11,623 | 2,752 |
| Randolph County, North Carolina | Urban | 50.4 | 73,707 | 1,106 |
| Randolph County, West Virginia | Rural | 46.8 | 12,894 | 2,881 |
| Rankin County, Mississippi | Urban | 51.8 | 82,223 | 261 |
| Ransom County, North Dakota | Rural | 47.6 | 2,687 | 2,775 |
| Rapides Parish, Louisiana | Urban | 51.5 | 65,710 | 351 |
| Rappahannock County, Virginia | Urban | 50.2 | 3,725 | 1,309 |
| Ravalli County, Montana | Rural | 49.8 | 23,282 | 1,728 |
| Rawlins County, Kansas | Rural | 48.3 | 1,214 | 2,612 |
| Ray County, Missouri | Urban | 49.2 | 11,380 | 2,195 |
| Reagan County, Texas | Rural | 48.4 | 1,563 | 2,579 |
| Real County, Texas | Rural | 48.5 | 1,358 | 2,549 |
| Red Lake County, Minnesota | Rural | 47.6 | 1,865 | 2,775 |
| Red River County, Texas | Rural | 49.9 | 5,793 | 1,623 |
| Red River Parish, Louisiana | Rural | 50.8 | 3,779 | 748 |
| Red Willow County, Nebraska | Rural | 50.3 | 5,307 | 1,216 |
| Redwood County, Minnesota | Rural | 49.9 | 7,663 | 1,623 |
| Reeves County, Texas | Rural | 42.7 | 5,408 | 3,068 |
| Refugio County, Texas | Rural | 50.9 | 3,415 | 669 |
| Reno County, Kansas | Rural | 49.5 | 30,475 | 1,993 |
| Rensselaer County, New York | Urban | 50.1 | 80,372 | 1,408 |
| Renville County, Minnesota | Rural | 49.2 | 7,156 | 2,195 |
| Renville County, North Dakota | Urban | 49.9 | 1,149 | 1,623 |
| Republic County, Kansas | Rural | 49.9 | 2,319 | 1,623 |
| Reynolds County, Missouri | Rural | 48.2 | 2,898 | 2,637 |
| Rhea County, Tennessee | Rural | 49.9 | 16,955 | 1,623 |
| Rice County, Kansas | Rural | 48.2 | 4,505 | 2,637 |
| Rice County, Minnesota | Rural | 48.3 | 32,836 | 2,612 |
| Rich County, Utah | Rural | 47.0 | 1,236 | 2,867 |
| Richardson County, Nebraska | Rural | 49.0 | 3,795 | 2,330 |
| Richland County, Illinois | Rural | 50.4 | 7,857 | 1,106 |
| Richland County, Montana | Rural | 49.2 | 5,523 | 2,195 |
| Richland County, North Dakota | Rural | 49.6 | 8,220 | 1,906 |
| Richland County, Ohio | Urban | 48.8 | 61,059 | 2,422 |
| Richland County, South Carolina | Urban | 52.0 | 219,359 | 205 |
| Richland County, Wisconsin | Rural | 49.7 | 8,549 | 1,826 |
| Richland Parish, Louisiana | Urban | 50.3 | 9,974 | 1,216 |
| Richmond City, Virginia | Urban | 52.6 | 120,591 | 103 |
| Richmond County, Georgia | Urban | 51.7 | 106,543 | 283 |
| Richmond County, New York | Urban | 51.0 | 252,578 | 616 |
| Richmond County, North Carolina | Rural | 51.9 | 21,966 | 231 |
| Richmond County, Virginia | Rural | 43.4 | 3,944 | 3,050 |
| Riley County, Kansas | Urban | 46.8 | 33,664 | 2,881 |
| Ringgold County, Iowa | Rural | 50.2 | 2,330 | 1,309 |
| Rio Arriba County, New Mexico | Rural | 50.6 | 20,280 | 922 |
| Rio Blanco County, Colorado | Rural | 48.8 | 3,194 | 2,422 |
| Rio Grande County, Colorado | Rural | 49.2 | 5,567 | 2,195 |
| Ripley County, Indiana | Rural | 49.6 | 14,435 | 1,906 |
| Ripley County, Missouri | Rural | 49.6 | 5,307 | 1,906 |
| Ritchie County, West Virginia | Rural | 50.3 | 4,168 | 1,216 |
| Riverside County, California | Urban | 49.8 | 1,235,214 | 1,728 |
| Roane County, Tennessee | Urban | 50.6 | 27,958 | 922 |
| Roane County, West Virginia | Rural | 50.3 | 6,933 | 1,216 |
| Roanoke City, Virginia | Urban | 53.0 | 52,122 | 72 |
| Roanoke County, Virginia | Urban | 51.6 | 50,108 | 316 |
| Roberts County, South Dakota | Rural | 48.9 | 5,003 | 2,376 |
| Roberts County, Texas | Rural | 50.6 | 421 | 922 |
| Robertson County, Kentucky | Rural | 52.0 | 1,187 | 205 |
| Robertson County, Tennessee | Urban | 49.8 | 37,653 | 1,728 |
| Robertson County, Texas | Urban | 50.6 | 8,689 | 922 |
| Robeson County, North Carolina | Rural | 52.0 | 60,761 | 205 |
| Rock County, Minnesota | Urban | 50.1 | 4,820 | 1,408 |
| Rock County, Nebraska | Rural | 50.1 | 661 | 1,408 |
| Rock County, Wisconsin | Urban | 50.2 | 82,546 | 1,309 |
| Rock Island County, Illinois | Urban | 50.5 | 72,135 | 1,013 |
| Rockbridge County, Virginia | Rural | 50.3 | 11,343 | 1,216 |
| Rockcastle County, Kentucky | Rural | 50.5 | 8,169 | 1,013 |
| Rockdale County, Georgia | Urban | 53.0 | 50,492 | 72 |
| Rockingham County, New Hampshire | Urban | 50.3 | 160,373 | 1,216 |
| Rockingham County, North Carolina | Urban | 51.2 | 47,193 | 486 |
| Rockingham County, Virginia | Urban | 50.5 | 43,232 | 1,013 |
| Rockland County, New York | Urban | 50.5 | 172,523 | 1,013 |
| Rockwall County, Texas | Urban | 50.2 | 62,061 | 1,309 |
| Roger Mills County, Oklahoma | Rural | 50.2 | 1,687 | 1,309 |
| Rogers County, Oklahoma | Urban | 49.9 | 49,180 | 1,623 |
| Rolette County, North Dakota | Rural | 50.8 | 6,053 | 748 |
| Rooks County, Kansas | Rural | 50.6 | 2,435 | 922 |
| Roosevelt County, Montana | Rural | 49.4 | 5,197 | 2,068 |
| Roosevelt County, New Mexico | Rural | 49.5 | 9,368 | 1,993 |
| Roscommon County, Michigan | Rural | 49.2 | 11,673 | 2,195 |
| Roseau County, Minnesota | Rural | 47.9 | 7,330 | 2,715 |
| Rosebud County, Montana | Rural | 49.7 | 4,058 | 1,826 |
| Ross County, Ohio | Rural | 47.9 | 36,634 | 2,715 |
| Routt County, Colorado | Rural | 47.2 | 11,850 | 2,837 |
| Rowan County, Kentucky | Rural | 51.7 | 12,706 | 283 |
| Rowan County, North Carolina | Urban | 50.5 | 75,631 | 1,013 |
| Runnels County, Texas | Rural | 49.3 | 4,863 | 2,129 |
| Rush County, Indiana | Rural | 50.2 | 8,400 | 1,309 |
| Rush County, Kansas | Rural | 46.4 | 1,367 | 2,913 |
| Rusk County, Texas | Urban | 47.1 | 24,885 | 2,849 |
| Rusk County, Wisconsin | Rural | 48.5 | 6,881 | 2,549 |
| Russell County, Alabama | Urban | 52.4 | 30,838 | 132 |
| Russell County, Kansas | Rural | 49.5 | 3,304 | 1,993 |
| Russell County, Kentucky | Rural | 50.5 | 9,201 | 1,013 |
| Russell County, Virginia | Rural | 50.5 | 12,907 | 1,013 |
| Rutherford County, North Carolina | Rural | 51.6 | 33,479 | 316 |
| Rutherford County, Tennessee | Urban | 50.7 | 182,744 | 832 |
| Rutland County, Vermont | Rural | 50.2 | 30,306 | 1,309 |
| Sabine County, Texas | Rural | 49.9 | 5,003 | 1,623 |
| Sabine Parish, Louisiana | Rural | 50.0 | 10,997 | 1,520 |
| Sac County, Iowa | Rural | 49.3 | 4,779 | 2,129 |
| Sacramento County, California | Urban | 50.8 | 809,050 | 748 |
| Sagadahoc County, Maine | Urban | 51.0 | 19,019 | 616 |
| Saginaw County, Michigan | Urban | 51.2 | 96,611 | 486 |
| Saguache County, Colorado | Rural | 48.8 | 3,211 | 2,422 |
| Salem City, Virginia | Urban | 52.4 | 13,432 | 132 |
| Salem County, New Jersey | Urban | 50.9 | 33,200 | 669 |
| Saline County, Arkansas | Urban | 50.9 | 64,926 | 669 |
| Saline County, Illinois | Rural | 50.4 | 11,709 | 1,106 |
| Saline County, Kansas | Rural | 50.1 | 26,867 | 1,408 |
| Saline County, Missouri | Rural | 49.5 | 11,503 | 1,993 |
| Saline County, Nebraska | Rural | 49.3 | 7,222 | 2,129 |
| Salt Lake County, Utah | Urban | 49.4 | 591,233 | 2,068 |
| Saluda County, South Carolina | Urban | 50.3 | 9,622 | 1,216 |
| Sampson County, North Carolina | Rural | 50.1 | 29,805 | 1,408 |
| San Augustine County, Texas | Rural | 52.0 | 4,093 | 205 |
| San Benito County, California | Urban | 49.6 | 33,390 | 1,906 |
| San Bernardino County, California | Urban | 50.0 | 1,097,852 | 1,520 |
| San Diego County, California | Urban | 49.5 | 1,626,536 | 1,993 |
| San Francisco County, California | Urban | 48.7 | 404,036 | 2,475 |
| San Jacinto County, Texas | Urban | 49.6 | 14,098 | 1,906 |
| San Joaquin County, California | Urban | 49.9 | 398,230 | 1,623 |
| San Juan County, Colorado | Rural | 43.0 | 311 | 3,063 |
| San Juan County, New Mexico | Urban | 50.7 | 61,314 | 832 |
| San Juan County, Utah | Rural | 49.3 | 7,147 | 2,129 |
| San Juan County, Washington | Rural | 50.6 | 9,346 | 922 |
| San Luis Obispo County, California | Urban | 49.6 | 139,589 | 1,906 |
| San Mateo County, California | Urban | 50.2 | 372,465 | 1,309 |
| San Miguel County, Colorado | Rural | 41.0 | 3,269 | 3,090 |
| San Miguel County, New Mexico | Rural | 51.3 | 13,781 | 440 |
| San Patricio County, Texas | Urban | 49.2 | 34,545 | 2,195 |
| San Saba County, Texas | Rural | 47.4 | 2,702 | 2,813 |
| Sanborn County, South Dakota | Rural | 47.1 | 1,123 | 2,849 |
| Sanders County, Montana | Rural | 49.0 | 6,508 | 2,330 |
| Sandoval County, New Mexico | Urban | 50.5 | 77,628 | 1,013 |
| Sandusky County, Ohio | Rural | 49.9 | 29,315 | 1,623 |
| Sangamon County, Illinois | Urban | 51.7 | 100,848 | 283 |
| Sanilac County, Michigan | Rural | 49.6 | 20,059 | 1,906 |
| Sanpete County, Utah | Rural | 46.8 | 13,901 | 2,881 |
| Santa Barbara County, California | Urban | 49.9 | 221,330 | 1,623 |
| Santa Clara County, California | Urban | 49.0 | 932,654 | 2,330 |
| Santa Cruz County, Arizona | Rural | 51.7 | 25,314 | 283 |
| Santa Cruz County, California | Urban | 50.2 | 132,899 | 1,309 |
| Santa Fe County, New Mexico | Urban | 51.2 | 79,897 | 486 |
| Santa Rosa County, Florida | Urban | 48.8 | 96,897 | 2,422 |
| Sarasota County, Florida | Urban | 52.0 | 239,188 | 205 |
| Saratoga County, New York | Urban | 50.4 | 120,100 | 1,106 |
| Sargent County, North Dakota | Rural | 46.0 | 1,751 | 2,943 |
| Sarpy County, Nebraska | Urban | 49.6 | 97,890 | 1,906 |
| Sauk County, Wisconsin | Rural | 49.8 | 32,852 | 1,728 |
| Saunders County, Nebraska | Urban | 48.9 | 11,266 | 2,376 |
| Sawyer County, Wisconsin | Rural | 48.3 | 8,916 | 2,612 |
| Schenectady County, New York | Urban | 50.9 | 81,567 | 669 |
| Schleicher County, Texas | Rural | 53.2 | 1,267 | 57 |
| Schley County, Georgia | Rural | 52.1 | 2,353 | 187 |
| Schoharie County, New York | Urban | 49.5 | 14,879 | 1,993 |
| Schoolcraft County, Michigan | Rural | 50.1 | 4,070 | 1,408 |
| Schuyler County, Illinois | Rural | 45.1 | 3,061 | 2,988 |
| Schuyler County, Missouri | Rural | 50.0 | 2,020 | 1,520 |
| Schuyler County, New York | Rural | 49.7 | 8,725 | 1,826 |
| Schuylkill County, Pennsylvania | Rural | 48.3 | 69,386 | 2,612 |
| Scioto County, Ohio | Rural | 50.4 | 36,604 | 1,106 |
| Scotland County, Missouri | Rural | 50.7 | 2,374 | 832 |
| Scotland County, North Carolina | Rural | 49.9 | 16,750 | 1,623 |
| Scott County, Arkansas | Rural | 48.0 | 4,708 | 2,690 |
| Scott County, Illinois | Rural | 49.9 | 2,463 | 1,623 |
| Scott County, Indiana | Rural | 50.6 | 12,413 | 922 |
| Scott County, Iowa | Urban | 50.6 | 88,372 | 922 |
| Scott County, Kansas | Rural | 48.6 | 2,442 | 2,514 |
| Scott County, Kentucky | Urban | 50.5 | 30,066 | 1,013 |
| Scott County, Minnesota | Urban | 49.9 | 77,052 | 1,623 |
| Scott County, Mississippi | Urban | 50.0 | 13,857 | 1,520 |
| Scott County, Missouri | Rural | 52.0 | 19,712 | 205 |
| Scott County, Tennessee | Rural | 50.4 | 11,150 | 1,106 |
| Scott County, Virginia | Urban | 49.1 | 10,538 | 2,258 |
| Scotts Bluff County, Nebraska | Rural | 51.5 | 18,447 | 351 |
| Screven County, Georgia | Rural | 52.3 | 7,385 | 150 |
| Scurry County, Texas | Rural | 48.0 | 7,913 | 2,690 |
| Searcy County, Arkansas | Rural | 49.9 | 3,922 | 1,623 |
| Sebastian County, Arkansas | Urban | 50.8 | 65,477 | 748 |
| Sedgwick County, Colorado | Rural | 48.5 | 1,117 | 2,549 |
| Sedgwick County, Kansas | Urban | 50.3 | 265,886 | 1,216 |
| Seminole County, Florida | Urban | 51.3 | 247,071 | 440 |
| Seminole County, Georgia | Rural | 52.6 | 4,820 | 103 |
| Seminole County, Oklahoma | Rural | 50.8 | 11,939 | 748 |
| Seneca County, New York | Rural | 48.4 | 15,918 | 2,579 |
| Seneca County, Ohio | Rural | 49.8 | 27,286 | 1,728 |
| Sequatchie County, Tennessee | Urban | 49.7 | 8,353 | 1,826 |
| Sequoyah County, Oklahoma | Urban | 50.4 | 20,103 | 1,106 |
| Sevier County, Arkansas | Rural | 48.5 | 7,613 | 2,549 |
| Sevier County, Tennessee | Rural | 50.3 | 50,076 | 1,216 |
| Sevier County, Utah | Rural | 48.8 | 10,779 | 2,422 |
| Seward County, Kansas | Rural | 47.5 | 10,211 | 2,799 |
| Seward County, Nebraska | Urban | 48.6 | 8,578 | 2,514 |
| Shackelford County, Texas | Rural | 51.1 | 1,622 | 546 |
| Shannon County, Missouri | Rural | 49.8 | 3,576 | 1,728 |
| Sharkey County, Mississippi | Rural | 50.0 | 1,936 | 1,520 |
| Sharp County, Arkansas | Rural | 51.1 | 9,084 | 546 |
| Shasta County, California | Urban | 50.8 | 92,148 | 748 |
| Shawano County, Wisconsin | Rural | 49.7 | 20,380 | 1,826 |
| Shawnee County, Kansas | Urban | 51.3 | 91,378 | 440 |
| Sheboygan County, Wisconsin | Urban | 49.2 | 57,999 | 2,195 |
| Shelby County, Alabama | Urban | 51.3 | 118,062 | 440 |
| Shelby County, Illinois | Rural | 50.4 | 10,447 | 1,106 |
| Shelby County, Indiana | Urban | 50.3 | 22,765 | 1,216 |
| Shelby County, Iowa | Rural | 50.5 | 5,948 | 1,013 |
| Shelby County, Kentucky | Urban | 50.8 | 24,919 | 748 |
| Shelby County, Missouri | Rural | 49.0 | 2,934 | 2,330 |
| Shelby County, Ohio | Rural | 49.3 | 23,636 | 2,129 |
| Shelby County, Tennessee | Urban | 52.5 | 482,685 | 118 |
| Shelby County, Texas | Rural | 50.5 | 12,205 | 1,013 |
| Shenandoah County, Virginia | Rural | 50.5 | 22,682 | 1,013 |
| Sherburne County, Minnesota | Urban | 48.7 | 48,972 | 2,475 |
| Sheridan County, Kansas | Rural | 50.1 | 1,215 | 1,408 |
| Sheridan County, Montana | Rural | 47.7 | 1,749 | 2,752 |
| Sheridan County, Nebraska | Rural | 50.1 | 2,510 | 1,408 |
| Sheridan County, North Dakota | Rural | 48.6 | 633 | 2,514 |
| Sheridan County, Wyoming | Rural | 49.9 | 15,980 | 1,623 |
| Sherman County, Kansas | Rural | 47.7 | 2,794 | 2,752 |
| Sherman County, Nebraska | Rural | 48.4 | 1,437 | 2,579 |
| Sherman County, Oregon | Rural | 49.3 | 955 | 2,129 |
| Sherman County, Texas | Rural | 46.1 | 1,059 | 2,935 |
| Shiawassee County, Michigan | Rural | 50.2 | 34,101 | 1,309 |
| Shoshone County, Idaho | Rural | 50.0 | 6,891 | 1,520 |
| Sibley County, Minnesota | Rural | 48.5 | 7,280 | 2,549 |
| Sierra County, California | Rural | 53.4 | 1,467 | 49 |
| Sierra County, New Mexico | Rural | 50.5 | 5,813 | 1,013 |
| Silver Bow County, Montana | Rural | 48.4 | 17,310 | 2,579 |
| Simpson County, Kentucky | Rural | 50.3 | 10,038 | 1,216 |
| Simpson County, Mississippi | Urban | 51.7 | 13,276 | 283 |
| Sioux County, Iowa | Rural | 49.4 | 17,892 | 2,068 |
| Sioux County, Nebraska | Rural | 51.4 | 602 | 388 |
| Sioux County, North Dakota | Rural | 50.2 | 1,878 | 1,309 |
| Siskiyou County, California | Rural | 50.0 | 21,731 | 1,520 |
| Sitka Borough, Alaska | Rural | 49.1 | 4,107 | 2,258 |
| Skagit County, Washington | Urban | 50.2 | 65,941 | 1,309 |
| Skagway Municipality, Alaska | Rural | 60.4 | 751 | 2 |
| Skamania County, Washington | Urban | 49.8 | 6,175 | 1,728 |
| Slope County, North Dakota | Rural | 43.2 | 331 | 3,057 |
| Smith County, Kansas | Rural | 47.9 | 1,703 | 2,715 |
| Smith County, Mississippi | Rural | 52.4 | 7,400 | 132 |
| Smith County, Tennessee | Urban | 49.5 | 10,094 | 1,993 |
| Smith County, Texas | Urban | 51.6 | 124,666 | 316 |
| Smyth County, Virginia | Rural | 50.8 | 14,933 | 748 |
| Snohomish County, Washington | Urban | 49.6 | 418,646 | 1,906 |
| Snyder County, Pennsylvania | Rural | 50.1 | 19,868 | 1,408 |
| Socorro County, New Mexico | Rural | 50.6 | 8,205 | 922 |
| Solano County, California | Urban | 50.1 | 226,446 | 1,408 |
| Somerset County, Maine | Rural | 50.2 | 25,595 | 1,309 |
| Somerset County, Maryland | Urban | 44.4 | 11,031 | 3,024 |
| Somerset County, New Jersey | Urban | 50.7 | 177,430 | 832 |
| Somerset County, Pennsylvania | Rural | 47.7 | 34,715 | 2,752 |
| Somervell County, Texas | Rural | 49.7 | 4,814 | 1,826 |
| Sonoma County, California | Urban | 50.8 | 246,397 | 748 |
| Southampton County, Virginia | Rural | 48.6 | 8,735 | 2,514 |
| Southeast Fairbanks Census Area, Alaska | Rural | 42.5 | 3,004 | 3,071 |
| Spalding County, Georgia | Urban | 52.5 | 36,137 | 118 |
| Spartanburg County, South Carolina | Urban | 51.2 | 178,091 | 486 |
| Spencer County, Indiana | Rural | 48.5 | 9,687 | 2,549 |
| Spencer County, Kentucky | Urban | 49.3 | 9,952 | 2,129 |
| Spink County, South Dakota | Rural | 49.4 | 3,072 | 2,068 |
| Spokane County, Washington | Urban | 50.1 | 274,963 | 1,408 |
| Spotsylvania County, Virginia | Urban | 50.4 | 73,895 | 1,106 |
| St. Bernard Parish, Louisiana | Urban | 51.1 | 22,709 | 546 |
| St. Charles County, Missouri | Urban | 50.5 | 209,458 | 1,013 |
| St. Charles Parish, Louisiana | Urban | 50.6 | 25,999 | 922 |
| St. Clair County, Alabama | Urban | 50.5 | 47,563 | 1,013 |
| St. Clair County, Illinois | Urban | 51.5 | 130,583 | 351 |
| St. Clair County, Michigan | Urban | 49.9 | 79,977 | 1,623 |
| St. Clair County, Missouri | Rural | 48.9 | 4,687 | 2,376 |
| St. Croix County, Wisconsin | Urban | 49.5 | 47,566 | 1,993 |
| St. Francis County, Arkansas | Rural | 44.4 | 9,948 | 3,024 |
| St. Francois County, Missouri | Rural | 47.5 | 31,821 | 2,799 |
| St. Helena Parish, Louisiana | Urban | 53.1 | 5,761 | 63 |
| St. James Parish, Louisiana | Urban | 52.5 | 10,252 | 118 |
| St. John the Baptist Parish, Louisiana | Urban | 50.7 | 20,671 | 832 |
| St. Johns County, Florida | Urban | 51.1 | 156,763 | 546 |
| St. Joseph County, Indiana | Urban | 51.2 | 139,662 | 486 |
| St. Joseph County, Michigan | Rural | 49.7 | 30,321 | 1,826 |
| St. Landry Parish, Louisiana | Rural | 51.2 | 41,853 | 486 |
| St. Lawrence County, New York | Rural | 48.8 | 52,353 | 2,422 |
| St. Louis City, Missouri | Urban | 51.5 | 148,716 | 351 |
| St. Louis County, Minnesota | Urban | 49.7 | 99,380 | 1,826 |
| St. Louis County, Missouri | Urban | 52.2 | 519,306 | 167 |
| St. Lucie County, Florida | Urban | 50.9 | 183,363 | 669 |
| St. Martin Parish, Louisiana | Urban | 50.9 | 26,147 | 669 |
| St. Mary Parish, Louisiana | Rural | 51.4 | 24,581 | 388 |
| St. Marys County, Maryland | Urban | 49.6 | 57,072 | 1,906 |
| St. Tammany Parish, Louisiana | Urban | 51.1 | 139,106 | 546 |
| Stafford County, Kansas | Rural | 48.4 | 1,926 | 2,579 |
| Stafford County, Virginia | Urban | 49.4 | 80,821 | 2,068 |
| Stanislaus County, California | Urban | 50.1 | 277,583 | 1,408 |
| Stanley County, South Dakota | Rural | 45.9 | 1,383 | 2,948 |
| Stanly County, North Carolina | Rural | 50.0 | 32,308 | 1,520 |
| Stanton County, Kansas | Rural | 51.5 | 1,049 | 351 |
| Stanton County, Nebraska | Rural | 49.5 | 2,867 | 1,993 |
| Stark County, Illinois | Urban | 49.7 | 2,636 | 1,826 |
| Stark County, North Dakota | Rural | 47.6 | 15,858 | 2,775 |
| Stark County, Ohio | Urban | 51.1 | 190,870 | 546 |
| Starke County, Indiana | Rural | 49.6 | 11,599 | 1,906 |
| Starr County, Texas | Rural | 51.2 | 33,804 | 486 |
| Staunton City, Virginia | Urban | 54.2 | 14,051 | 23 |
| Ste. Genevieve County, Missouri | Rural | 48.1 | 8,938 | 2,666 |
| Stearns County, Minnesota | Urban | 49.4 | 79,482 | 2,068 |
| Steele County, Minnesota | Rural | 49.9 | 18,669 | 1,623 |
| Steele County, North Dakota | Rural | 47.6 | 859 | 2,775 |
| Stephens County, Georgia | Rural | 52.1 | 14,074 | 187 |
| Stephens County, Oklahoma | Rural | 51.1 | 22,247 | 546 |
| Stephens County, Texas | Rural | 44.7 | 4,181 | 3,008 |
| Stephenson County, Illinois | Rural | 51.1 | 22,364 | 546 |
| Sterling County, Texas | Rural | 51.6 | 757 | 316 |
| Steuben County, Indiana | Rural | 48.0 | 16,654 | 2,690 |
| Steuben County, New York | Rural | 49.9 | 46,173 | 1,623 |
| Stevens County, Kansas | Rural | 45.1 | 2,328 | 2,988 |
| Stevens County, Minnesota | Rural | 47.4 | 4,618 | 2,813 |
| Stevens County, Washington | Urban | 49.7 | 23,910 | 1,826 |
| Stewart County, Georgia | Urban | 34.9 | 1,700 | 3,133 |
| Stewart County, Tennessee | Urban | 49.8 | 6,988 | 1,728 |
| Stillwater County, Montana | Urban | 49.5 | 4,542 | 1,993 |
| Stoddard County, Missouri | Rural | 50.5 | 14,375 | 1,013 |
| Stokes County, North Carolina | Urban | 51.0 | 23,002 | 616 |
| Stone County, Arkansas | Rural | 50.2 | 6,312 | 1,309 |
| Stone County, Mississippi | Urban | 48.6 | 9,191 | 2,514 |
| Stone County, Missouri | Rural | 50.4 | 16,141 | 1,106 |
| Stonewall County, Texas | Rural | 49.9 | 612 | 1,623 |
| Storey County, Nevada | Urban | 46.9 | 1,941 | 2,871 |
| Story County, Iowa | Urban | 47.7 | 47,879 | 2,752 |
| Strafford County, New Hampshire | Urban | 50.6 | 67,056 | 922 |
| Stutsman County, North Dakota | Rural | 48.8 | 10,509 | 2,422 |
| Sublette County, Wyoming | Rural | 45.7 | 4,035 | 2,958 |
| Suffolk City, Virginia | Urban | 51.4 | 50,759 | 388 |
| Suffolk County, Massachusetts | Urban | 51.8 | 406,361 | 261 |
| Suffolk County, New York | Urban | 50.4 | 771,191 | 1,106 |
| Sullivan County, Indiana | Urban | 44.7 | 9,284 | 3,008 |
| Sullivan County, Missouri | Rural | 49.8 | 2,916 | 1,728 |
| Sullivan County, New Hampshire | Rural | 49.6 | 21,680 | 1,906 |
| Sullivan County, New York | Rural | 48.1 | 38,342 | 2,666 |
| Sullivan County, Pennsylvania | Rural | 47.1 | 2,775 | 2,849 |
| Sullivan County, Tennessee | Urban | 51.0 | 81,978 | 616 |
| Sully County, South Dakota | Rural | 44.8 | 684 | 3,000 |
| Summers County, West Virginia | Rural | 52.7 | 6,179 | 92 |
| Summit County, Colorado | Rural | 44.7 | 13,873 | 3,008 |
| Summit County, Ohio | Urban | 51.3 | 276,078 | 440 |
| Summit County, Utah | Rural | 48.7 | 20,928 | 2,475 |
| Sumner County, Kansas | Urban | 49.3 | 11,019 | 2,129 |
| Sumner County, Tennessee | Urban | 50.9 | 104,154 | 669 |
| Sumter County, Alabama | Rural | 55.7 | 6,612 | 7 |
| Sumter County, Florida | Urban | 50.5 | 72,408 | 1,013 |
| Sumter County, Georgia | Rural | 53.4 | 15,520 | 49 |
| Sumter County, South Carolina | Urban | 51.7 | 54,164 | 283 |
| Sunflower County, Mississippi | Rural | 47.6 | 11,593 | 2,775 |
| Surry County, North Carolina | Rural | 51.4 | 36,726 | 388 |
| Surry County, Virginia | Urban | 49.5 | 3,243 | 1,993 |
| Susquehanna County, Pennsylvania | Rural | 49.4 | 18,892 | 2,068 |
| Sussex County, Delaware | Rural | 51.5 | 131,608 | 351 |
| Sussex County, New Jersey | Urban | 49.6 | 72,333 | 1,906 |
| Sussex County, Virginia | Urban | 41.6 | 4,477 | 3,088 |
| Sutter County, California | Urban | 50.0 | 49,437 | 1,520 |
| Sutton County, Texas | Rural | 53.7 | 1,761 | 32 |
| Suwannee County, Florida | Rural | 47.6 | 21,561 | 2,775 |
| Swain County, North Carolina | Rural | 52.2 | 7,314 | 167 |
| Sweet Grass County, Montana | Rural | 49.7 | 1,850 | 1,826 |
| Sweetwater County, Wyoming | Rural | 48.7 | 20,234 | 2,475 |
| Swift County, Minnesota | Rural | 49.6 | 4,833 | 1,906 |
| Swisher County, Texas | Rural | 43.2 | 2,997 | 3,057 |
| Switzerland County, Indiana | Rural | 48.5 | 4,802 | 2,549 |
| Talbot County, Georgia | Urban | 52.5 | 3,016 | 118 |
| Talbot County, Maryland | Rural | 51.8 | 19,659 | 261 |
| Taliaferro County, Georgia | Rural | 54.4 | 848 | 21 |
| Talladega County, Alabama | Rural | 51.4 | 41,678 | 388 |
| Tallahatchie County, Mississippi | Rural | 48.0 | 5,647 | 2,690 |
| Tallapoosa County, Alabama | Rural | 51.2 | 20,972 | 486 |
| Tama County, Iowa | Rural | 49.7 | 8,383 | 1,826 |
| Taney County, Missouri | Rural | 51.8 | 29,266 | 261 |
| Tangipahoa Parish, Louisiana | Urban | 51.2 | 69,967 | 486 |
| Taos County, New Mexico | Rural | 51.1 | 17,663 | 546 |
| Tarrant County, Texas | Urban | 50.9 | 1,102,754 | 669 |
| Tate County, Mississippi | Urban | 51.1 | 14,463 | 546 |
| Tattnall County, Georgia | Rural | 42.2 | 10,224 | 3,079 |
| Taylor County, Florida | Rural | 47.7 | 10,261 | 2,752 |
| Taylor County, Georgia | Rural | 51.3 | 3,997 | 440 |
| Taylor County, Iowa | Rural | 48.9 | 2,868 | 2,376 |
| Taylor County, Kentucky | Rural | 49.6 | 13,093 | 1,906 |
| Taylor County, Texas | Urban | 50.7 | 74,018 | 832 |
| Taylor County, West Virginia | Rural | 49.7 | 8,186 | 1,826 |
| Taylor County, Wisconsin | Rural | 49.0 | 9,818 | 2,330 |
| Tazewell County, Illinois | Urban | 50.4 | 65,669 | 1,106 |
| Tazewell County, Virginia | Rural | 49.6 | 19,653 | 1,906 |
| Tehama County, California | Rural | 50.3 | 32,763 | 1,216 |
| Telfair County, Georgia | Rural | 45.2 | 5,353 | 2,983 |
| Teller County, Colorado | Urban | 48.4 | 12,009 | 2,579 |
| Tensas Parish, Louisiana | Rural | 51.9 | 2,043 | 231 |
| Terrebonne Parish, Louisiana | Urban | 50.4 | 53,531 | 1,106 |
| Terrell County, Georgia | Urban | 49.9 | 4,416 | 1,623 |
| Terrell County, Texas | Rural | 47.2 | 394 | 2,837 |
| Terry County, Texas | Rural | 45.3 | 5,271 | 2,977 |
| Teton County, Idaho | Rural | 48.4 | 6,010 | 2,579 |
| Teton County, Montana | Rural | 50.6 | 3,216 | 922 |
| Teton County, Wyoming | Rural | 47.7 | 11,164 | 2,752 |
| Texas County, Missouri | Rural | 48.0 | 12,088 | 2,690 |
| Texas County, Oklahoma | Rural | 46.8 | 9,722 | 2,881 |
| Thayer County, Nebraska | Rural | 50.2 | 2,458 | 1,309 |
| Thomas County, Georgia | Rural | 52.6 | 24,091 | 103 |
| Thomas County, Kansas | Rural | 49.5 | 3,905 | 1,993 |
| Thomas County, Nebraska | Rural | 51.4 | 290 | 388 |
| Throckmorton County, Texas | Rural | 55.7 | 913 | 7 |
| Thurston County, Nebraska | Rural | 50.7 | 3,358 | 832 |
| Thurston County, Washington | Urban | 50.9 | 152,090 | 669 |
| Tift County, Georgia | Rural | 51.5 | 21,355 | 351 |
| Tillamook County, Oregon | Rural | 49.3 | 13,549 | 2,129 |
| Tillman County, Oklahoma | Rural | 49.8 | 3,439 | 1,728 |
| Tioga County, New York | Urban | 49.9 | 23,904 | 1,623 |
| Tioga County, Pennsylvania | Rural | 49.7 | 20,362 | 1,826 |
| Tippah County, Mississippi | Rural | 52.4 | 11,273 | 132 |
| Tippecanoe County, Indiana | Urban | 48.7 | 92,046 | 2,475 |
| Tipton County, Indiana | Urban | 49.9 | 7,663 | 1,623 |
| Tipton County, Tennessee | Urban | 50.6 | 31,121 | 922 |
| Tishomingo County, Mississippi | Rural | 50.7 | 9,456 | 832 |
| Titus County, Texas | Rural | 50.2 | 15,759 | 1,309 |
| Todd County, Kentucky | Rural | 49.8 | 6,213 | 1,728 |
| Todd County, Minnesota | Rural | 48.5 | 12,405 | 2,549 |
| Todd County, South Dakota | Rural | 50.0 | 4,623 | 1,520 |
| Tolland County, Connecticut | Urban | 50.2 | 75,378 | 1,309 |
| Tom Green County, Texas | Urban | 50.0 | 59,802 | 1,520 |
| Tompkins County, New York | Urban | 51.3 | 53,644 | 440 |
| Tooele County, Utah | Urban | 49.0 | 38,894 | 2,330 |
| Toole County, Montana | Rural | 40.7 | 2,062 | 3,097 |
| Toombs County, Georgia | Rural | 52.7 | 14,296 | 92 |
| Torrance County, New Mexico | Urban | 49.0 | 7,594 | 2,330 |
| Towner County, North Dakota | Rural | 50.8 | 1,057 | 748 |
| Towns County, Georgia | Rural | 51.4 | 6,631 | 388 |
| Traill County, North Dakota | Rural | 48.1 | 3,830 | 2,666 |
| Transylvania County, North Carolina | Rural | 51.5 | 17,349 | 351 |
| Traverse County, Minnesota | Rural | 51.1 | 1,658 | 546 |
| Travis County, Texas | Urban | 48.9 | 650,868 | 2,376 |
| Treasure County, Montana | Rural | 50.1 | 367 | 1,408 |
| Trego County, Kansas | Rural | 50.5 | 1,402 | 1,013 |
| Trempealeau County, Wisconsin | Rural | 49.0 | 15,113 | 2,330 |
| Treutlen County, Georgia | Rural | 46.1 | 2,942 | 2,935 |
| Trigg County, Kentucky | Urban | 50.3 | 7,201 | 1,216 |
| Trimble County, Kentucky | Rural | 49.0 | 4,191 | 2,330 |
| Trinity County, California | Rural | 51.5 | 8,175 | 351 |
| Trinity County, Texas | Rural | 51.1 | 7,180 | 546 |
| Tripp County, South Dakota | Rural | 48.8 | 2,736 | 2,422 |
| Troup County, Georgia | Rural | 52.1 | 36,639 | 187 |
| Trousdale County, Tennessee | Urban | 38.7 | 4,630 | 3,112 |
| Trumbull County, Ohio | Urban | 50.8 | 102,084 | 748 |
| Tucker County, West Virginia | Rural | 49.3 | 3,280 | 2,129 |
| Tulare County, California | Urban | 49.9 | 239,055 | 1,623 |
| Tulsa County, Oklahoma | Urban | 50.9 | 346,405 | 669 |
| Tunica County, Mississippi | Urban | 52.9 | 5,014 | 81 |
| Tuolumne County, California | Rural | 48.4 | 26,360 | 2,579 |
| Turner County, Georgia | Rural | 53.5 | 4,783 | 37 |
| Turner County, South Dakota | Urban | 49.8 | 4,425 | 1,728 |
| Tuscaloosa County, Alabama | Urban | 51.8 | 122,955 | 261 |
| Tuscarawas County, Ohio | Rural | 50.0 | 46,217 | 1,520 |
| Tuscola County, Michigan | Rural | 49.2 | 26,041 | 2,195 |
| Twiggs County, Georgia | Urban | 49.0 | 3,820 | 2,330 |
| Twin Falls County, Idaho | Urban | 50.4 | 47,222 | 1,106 |
| Tyler County, Texas | Rural | 45.2 | 9,140 | 2,983 |
| Tyler County, West Virginia | Rural | 49.8 | 4,017 | 1,728 |
| Tyrrell County, North Carolina | Rural | 48.0 | 1,644 | 2,690 |
| Uinta County, Wyoming | Rural | 50.4 | 10,396 | 1,106 |
| Uintah County, Utah | Rural | 49.4 | 18,317 | 2,068 |
| Ulster County, New York | Urban | 50.3 | 91,784 | 1,216 |
| Umatilla County, Oregon | Rural | 47.9 | 38,253 | 2,715 |
| Unicoi County, Tennessee | Urban | 51.3 | 9,102 | 440 |
| Union County, Arkansas | Rural | 50.7 | 19,221 | 832 |
| Union County, Florida | Rural | 36.5 | 5,729 | 3,121 |
| Union County, Georgia | Rural | 50.4 | 13,263 | 1,106 |
| Union County, Illinois | Rural | 49.1 | 8,346 | 2,258 |
| Union County, Indiana | Rural | 50.1 | 3,500 | 1,408 |
| Union County, Iowa | Rural | 50.2 | 6,015 | 1,309 |
| Union County, Kentucky | Rural | 50.0 | 6,630 | 1,520 |
| Union County, Mississippi | Rural | 51.1 | 14,381 | 546 |
| Union County, New Jersey | Urban | 50.6 | 293,097 | 922 |
| Union County, New Mexico | Rural | 45.7 | 1,832 | 2,958 |
| Union County, North Carolina | Urban | 50.3 | 126,332 | 1,216 |
| Union County, Ohio | Urban | 51.5 | 34,647 | 351 |
| Union County, Oregon | Rural | 50.4 | 13,175 | 1,106 |
| Union County, Pennsylvania | Rural | 46.1 | 19,590 | 2,935 |
| Union County, South Carolina | Urban | 52.8 | 14,201 | 88 |
| Union County, South Dakota | Urban | 48.4 | 8,269 | 2,579 |
| Union County, Tennessee | Urban | 49.8 | 10,168 | 1,728 |
| Union Parish, Louisiana | Urban | 50.9 | 10,594 | 669 |
| Upshur County, Texas | Urban | 50.4 | 21,434 | 1,106 |
| Upshur County, West Virginia | Rural | 49.8 | 11,804 | 1,728 |
| Upson County, Georgia | Rural | 52.1 | 14,600 | 187 |
| Upton County, Texas | Rural | 51.4 | 1,640 | 388 |
| Utah County, Utah | Urban | 49.3 | 347,416 | 2,129 |
| Uvalde County, Texas | Rural | 50.1 | 12,475 | 1,408 |
| Val Verde County, Texas | Rural | 48.3 | 23,079 | 2,612 |
| Valdez-Cordova Census Area, Alaska | Rural | 47.5 | 4,504 | 2,799 |
| Valencia County, New Mexico | Urban | 49.9 | 39,169 | 1,623 |
| Valley County, Idaho | Rural | 47.6 | 5,902 | 2,775 |
| Valley County, Montana | Rural | 49.7 | 3,739 | 1,826 |
| Valley County, Nebraska | Rural | 49.8 | 2,025 | 1,728 |
| Van Buren County, Arkansas | Rural | 49.5 | 7,922 | 1,993 |
| Van Buren County, Iowa | Rural | 48.7 | 3,523 | 2,475 |
| Van Buren County, Michigan | Rural | 50.1 | 37,998 | 1,408 |
| Van Buren County, Tennessee | Rural | 48.9 | 3,149 | 2,376 |
| Van Wert County, Ohio | Rural | 50.2 | 14,473 | 1,309 |
| Van Zandt County, Texas | Rural | 51.1 | 32,006 | 546 |
| Vance County, North Carolina | Rural | 52.5 | 22,226 | 118 |
| Vanderburgh County, Indiana | Urban | 51.1 | 92,048 | 546 |
| Venango County, Pennsylvania | Rural | 50.2 | 25,013 | 1,309 |
| Ventura County, California | Urban | 50.3 | 420,863 | 1,216 |
| Vermilion County, Illinois | Rural | 50.0 | 36,195 | 1,520 |
| Vermilion Parish, Louisiana | Urban | 51.6 | 29,456 | 316 |
| Vermillion County, Indiana | Urban | 49.5 | 7,634 | 1,993 |
| Vernon County, Missouri | Rural | 50.8 | 9,998 | 748 |
| Vernon County, Wisconsin | Urban | 49.2 | 15,291 | 2,195 |
| Vernon Parish, Louisiana | Rural | 48.2 | 22,715 | 2,637 |
| Victoria County, Texas | Urban | 50.8 | 46,410 | 748 |
| Vigo County, Indiana | Urban | 49.6 | 52,668 | 1,906 |
| Vilas County, Wisconsin | Rural | 48.2 | 11,388 | 2,637 |
| Vinton County, Ohio | Rural | 49.2 | 6,219 | 2,195 |
| Virginia Beach City, Virginia | Urban | 51.0 | 232,631 | 616 |
| Volusia County, Florida | Urban | 51.0 | 295,842 | 616 |
| Wabash County, Illinois | Rural | 51.3 | 5,709 | 440 |
| Wabash County, Indiana | Rural | 51.1 | 15,755 | 546 |
| Wabasha County, Minnesota | Urban | 50.0 | 10,773 | 1,520 |
| Wabaunsee County, Kansas | Urban | 48.6 | 3,405 | 2,514 |
| Wadena County, Minnesota | Rural | 50.0 | 7,130 | 1,520 |
| Wagoner County, Oklahoma | Urban | 50.0 | 43,304 | 1,520 |
| Wahkiakum County, Washington | Rural | 49.2 | 2,290 | 2,195 |
| Wake County, North Carolina | Urban | 51.0 | 601,370 | 616 |
| Wakulla County, Florida | Urban | 45.9 | 16,250 | 2,948 |
| Waldo County, Maine | Rural | 50.4 | 20,263 | 1,106 |
| Walker County, Alabama | Urban | 51.1 | 33,142 | 546 |
| Walker County, Georgia | Urban | 50.6 | 34,789 | 922 |
| Walker County, Texas | Rural | 41.0 | 32,854 | 3,090 |
| Walla Walla County, Washington | Urban | 49.3 | 30,615 | 2,129 |
| Wallace County, Kansas | Rural | 47.6 | 674 | 2,775 |
| Waller County, Texas | Urban | 50.2 | 30,884 | 1,309 |
| Wallowa County, Oregon | Rural | 51.2 | 3,867 | 486 |
| Walsh County, North Dakota | Rural | 48.8 | 5,077 | 2,422 |
| Walthall County, Mississippi | Rural | 51.1 | 7,069 | 546 |
| Walton County, Florida | Urban | 49.5 | 41,061 | 1,993 |
| Walton County, Georgia | Urban | 50.8 | 52,515 | 748 |
| Walworth County, South Dakota | Rural | 49.1 | 2,586 | 2,258 |
| Walworth County, Wisconsin | Rural | 49.7 | 52,512 | 1,826 |
| Wapello County, Iowa | Rural | 49.4 | 17,453 | 2,068 |
| Ward County, North Dakota | Urban | 47.9 | 33,045 | 2,715 |
| Ward County, Texas | Rural | 48.6 | 5,411 | 2,514 |
| Ware County, Georgia | Rural | 50.1 | 18,009 | 1,408 |
| Warren County, Georgia | Rural | 52.2 | 2,697 | 167 |
| Warren County, Illinois | Rural | 49.7 | 8,182 | 1,826 |
| Warren County, Indiana | Urban | 49.7 | 4,204 | 1,826 |
| Warren County, Iowa | Urban | 50.3 | 27,370 | 1,216 |
| Warren County, Kentucky | Urban | 50.5 | 71,161 | 1,013 |
| Warren County, Mississippi | Rural | 52.0 | 22,362 | 205 |
| Warren County, Missouri | Urban | 50.1 | 18,614 | 1,408 |
| Warren County, New Jersey | Urban | 50.1 | 55,584 | 1,408 |
| Warren County, New York | Urban | 50.2 | 32,909 | 1,309 |
| Warren County, North Carolina | Rural | 49.7 | 9,333 | 1,826 |
| Warren County, Ohio | Urban | 49.4 | 123,591 | 2,068 |
| Warren County, Pennsylvania | Rural | 49.5 | 18,766 | 1,993 |
| Warren County, Tennessee | Rural | 50.0 | 21,091 | 1,520 |
| Warren County, Virginia | Urban | 49.4 | 20,497 | 2,068 |
| Warrick County, Indiana | Urban | 50.8 | 33,161 | 748 |
| Wasatch County, Utah | Rural | 48.5 | 17,754 | 2,549 |
| Wasco County, Oregon | Rural | 49.5 | 13,152 | 1,993 |
| Waseca County, Minnesota | Rural | 51.5 | 9,730 | 351 |
| Washakie County, Wyoming | Rural | 49.1 | 3,782 | 2,258 |
| Washburn County, Wisconsin | Rural | 49.6 | 8,361 | 1,906 |
| Washington County, Alabama | Rural | 49.8 | 7,539 | 1,728 |
| Washington County, Arkansas | Urban | 49.7 | 127,682 | 1,826 |
| Washington County, Colorado | Rural | 48.0 | 2,319 | 2,690 |
| Washington County, Florida | Urban | 46.9 | 11,976 | 2,871 |
| Washington County, Georgia | Rural | 48.6 | 9,641 | 2,514 |
| Washington County, Idaho | Rural | 50.0 | 5,572 | 1,520 |
| Washington County, Illinois | Rural | 49.3 | 6,716 | 2,129 |
| Washington County, Indiana | Urban | 50.1 | 14,126 | 1,408 |
| Washington County, Iowa | Urban | 50.1 | 11,310 | 1,408 |
| Washington County, Kansas | Rural | 48.3 | 2,670 | 2,612 |
| Washington County, Kentucky | Rural | 50.5 | 6,125 | 1,013 |
| Washington County, Maine | Rural | 50.7 | 15,882 | 832 |
| Washington County, Maryland | Urban | 49.2 | 76,620 | 2,195 |
| Washington County, Minnesota | Urban | 50.3 | 138,820 | 1,216 |
| Washington County, Mississippi | Rural | 53.4 | 22,822 | 49 |
| Washington County, Missouri | Rural | 48.1 | 11,293 | 2,666 |
| Washington County, Nebraska | Urban | 50.0 | 10,553 | 1,520 |
| Washington County, New York | Urban | 48.7 | 29,462 | 2,475 |
| Washington County, North Carolina | Rural | 48.8 | 5,280 | 2,422 |
| Washington County, Ohio | Rural | 50.0 | 29,473 | 1,520 |
| Washington County, Oklahoma | Rural | 50.8 | 27,114 | 748 |
| Washington County, Oregon | Urban | 50.1 | 302,367 | 1,408 |
| Washington County, Pennsylvania | Urban | 50.5 | 106,148 | 1,013 |
| Washington County, Rhode Island | Urban | 51.2 | 66,756 | 486 |
| Washington County, Tennessee | Urban | 50.8 | 69,189 | 748 |
| Washington County, Texas | Rural | 50.4 | 18,470 | 1,106 |
| Washington County, Utah | Urban | 50.2 | 98,557 | 1,309 |
| Washington County, Vermont | Rural | 50.2 | 30,113 | 1,309 |
| Washington County, Virginia | Urban | 50.0 | 26,973 | 1,520 |
| Washington County, Wisconsin | Urban | 50.1 | 69,013 | 1,408 |
| Washington Parish, Louisiana | Rural | 49.4 | 22,274 | 2,068 |
| Washita County, Oklahoma | Rural | 49.8 | 5,381 | 1,728 |
| Washoe County, Nevada | Urban | 49.2 | 244,627 | 2,195 |
| Washtenaw County, Michigan | Urban | 50.1 | 185,350 | 1,408 |
| Watauga County, North Carolina | Rural | 50.1 | 27,632 | 1,408 |
| Watonwan County, Minnesota | Rural | 49.2 | 5,516 | 2,195 |
| Waukesha County, Wisconsin | Urban | 50.4 | 207,556 | 1,106 |
| Waupaca County, Wisconsin | Rural | 49.0 | 25,245 | 2,330 |
| Waushara County, Wisconsin | Rural | 47.1 | 11,702 | 2,849 |
| Wayne County, Georgia | Rural | 50.3 | 15,562 | 1,216 |
| Wayne County, Illinois | Rural | 49.9 | 7,969 | 1,623 |
| Wayne County, Indiana | Rural | 51.2 | 34,009 | 486 |
| Wayne County, Iowa | Rural | 49.5 | 3,233 | 1,993 |
| Wayne County, Kentucky | Rural | 50.1 | 9,818 | 1,408 |
| Wayne County, Michigan | Urban | 51.6 | 914,512 | 316 |
| Wayne County, Mississippi | Rural | 50.7 | 9,989 | 832 |
| Wayne County, Missouri | Rural | 49.5 | 5,375 | 1,993 |
| Wayne County, Nebraska | Rural | 48.9 | 4,809 | 2,376 |
| Wayne County, New York | Urban | 49.8 | 45,325 | 1,728 |
| Wayne County, North Carolina | Urban | 50.2 | 59,558 | 1,309 |
| Wayne County, Ohio | Rural | 50.2 | 58,544 | 1,309 |
| Wayne County, Pennsylvania | Rural | 46.5 | 23,853 | 2,903 |
| Wayne County, Tennessee | Rural | 43.4 | 7,009 | 3,050 |
| Wayne County, Utah | Rural | 48.6 | 1,255 | 2,514 |
| Wayne County, West Virginia | Urban | 51.0 | 19,471 | 616 |
| Waynesboro City, Virginia | Urban | 51.6 | 11,792 | 316 |
| Weakley County, Tennessee | Rural | 50.7 | 16,729 | 832 |
| Webb County, Texas | Urban | 50.3 | 135,568 | 1,216 |
| Weber County, Utah | Urban | 49.4 | 133,077 | 2,068 |
| Webster County, Georgia | Rural | 47.8 | 1,139 | 2,735 |
| Webster County, Iowa | Rural | 47.6 | 17,549 | 2,775 |
| Webster County, Kentucky | Rural | 50.5 | 6,481 | 1,013 |
| Webster County, Mississippi | Rural | 52.7 | 5,259 | 92 |
| Webster County, Missouri | Urban | 48.9 | 19,804 | 2,376 |
| Webster County, Nebraska | Rural | 49.0 | 1,646 | 2,330 |
| Webster County, West Virginia | Rural | 49.0 | 3,991 | 2,330 |
| Webster Parish, Louisiana | Rural | 51.5 | 18,438 | 351 |
| Weld County, Colorado | Urban | 49.2 | 172,498 | 2,195 |
| Wells County, Indiana | Urban | 50.0 | 14,220 | 1,520 |
| Wells County, North Dakota | Rural | 49.9 | 1,940 | 1,623 |
| West Baton Rouge Parish, Louisiana | Urban | 50.8 | 14,201 | 748 |
| West Carroll Parish, Louisiana | Rural | 51.3 | 4,858 | 440 |
| West Feliciana Parish, Louisiana | Urban | 32.2 | 4,928 | 3,139 |
| Westchester County, New York | Urban | 51.2 | 512,319 | 486 |
| Westmoreland County, Pennsylvania | Urban | 50.6 | 178,407 | 922 |
| Westmoreland County, Virginia | Rural | 52.0 | 9,798 | 205 |
| Weston County, Wyoming | Rural | 44.8 | 3,058 | 3,000 |
| Wetzel County, West Virginia | Rural | 50.2 | 7,063 | 1,309 |
| Wexford County, Michigan | Rural | 49.5 | 16,868 | 1,993 |
| Wharton County, Texas | Rural | 50.1 | 20,940 | 1,408 |
| Whatcom County, Washington | Urban | 50.4 | 116,264 | 1,106 |
| Wheatland County, Montana | Rural | 52.6 | 1,082 | 103 |
| Wheeler County, Georgia | Rural | 35.5 | 2,601 | 3,130 |
| Wheeler County, Nebraska | Rural | 47.2 | 400 | 2,837 |
| Wheeler County, Oregon | Rural | 52.3 | 776 | 150 |
| Wheeler County, Texas | Rural | 48.6 | 2,361 | 2,514 |
| White County, Arkansas | Rural | 51.1 | 39,741 | 546 |
| White County, Georgia | Rural | 51.0 | 14,687 | 616 |
| White County, Illinois | Rural | 50.6 | 6,892 | 922 |
| White County, Indiana | Rural | 50.6 | 12,506 | 922 |
| White County, Tennessee | Rural | 50.5 | 14,208 | 1,013 |
| White Pine County, Nevada | Rural | 43.5 | 3,796 | 3,048 |
| Whiteside County, Illinois | Rural | 50.1 | 27,532 | 1,408 |
| Whitfield County, Georgia | Urban | 50.0 | 51,800 | 1,520 |
| Whitley County, Indiana | Urban | 50.3 | 17,411 | 1,216 |
| Whitley County, Kentucky | Rural | 50.7 | 18,704 | 832 |
| Whitman County, Washington | Rural | 49.5 | 23,281 | 1,993 |
| Wibaux County, Montana | Rural | 51.4 | 613 | 388 |
| Wichita County, Kansas | Rural | 46.5 | 973 | 2,903 |
| Wichita County, Texas | Urban | 48.2 | 62,649 | 2,637 |
| Wicomico County, Maryland | Urban | 52.0 | 54,571 | 205 |
| Wilbarger County, Texas | Rural | 51.0 | 6,429 | 616 |
| Wilcox County, Alabama | Rural | 51.4 | 5,233 | 388 |
| Wilcox County, Georgia | Rural | 39.7 | 3,497 | 3,103 |
| Wilkes County, Georgia | Rural | 50.8 | 4,853 | 748 |
| Wilkes County, North Carolina | Rural | 50.5 | 33,269 | 1,013 |
| Wilkin County, Minnesota | Rural | 47.1 | 3,001 | 2,849 |
| Wilkinson County, Georgia | Rural | 51.6 | 4,513 | 316 |
| Wilkinson County, Mississippi | Rural | 44.6 | 3,641 | 3,017 |
| Will County, Illinois | Urban | 50.1 | 351,509 | 1,408 |
| Willacy County, Texas | Rural | 45.7 | 9,207 | 2,958 |
| Williams County, North Dakota | Rural | 47.1 | 18,647 | 2,849 |
| Williams County, Ohio | Rural | 50.3 | 18,481 | 1,216 |
| Williamsburg City, Virginia | Urban | 53.7 | 8,477 | 32 |
| Williamsburg County, South Carolina | Rural | 51.1 | 15,485 | 546 |
| Williamson County, Illinois | Rural | 49.8 | 33,291 | 1,728 |
| Williamson County, Tennessee | Urban | 50.5 | 131,536 | 1,013 |
| Williamson County, Texas | Urban | 50.2 | 337,421 | 1,309 |
| Wilson County, Kansas | Rural | 49.4 | 4,205 | 2,068 |
| Wilson County, North Carolina | Rural | 52.3 | 41,500 | 150 |
| Wilson County, Tennessee | Urban | 50.6 | 80,332 | 922 |
| Wilson County, Texas | Urban | 49.6 | 26,197 | 1,906 |
| Winchester City, Virginia | Urban | 50.7 | 14,153 | 832 |
| Windham County, Connecticut | Urban | 50.3 | 58,771 | 1,216 |
| Windham County, Vermont | Rural | 50.4 | 23,154 | 1,106 |
| Windsor County, Vermont | Rural | 50.7 | 29,374 | 832 |
| Winkler County, Texas | Rural | 47.3 | 3,523 | 2,821 |
| Winn Parish, Louisiana | Rural | 44.9 | 6,053 | 2,996 |
| Winnebago County, Illinois | Urban | 51.1 | 144,704 | 546 |
| Winnebago County, Iowa | Rural | 48.3 | 5,116 | 2,612 |
| Winnebago County, Wisconsin | Urban | 49.2 | 84,530 | 2,195 |
| Winneshiek County, Iowa | Rural | 49.2 | 9,784 | 2,195 |
| Winona County, Minnesota | Rural | 50.3 | 25,027 | 1,216 |
| Winston County, Alabama | Rural | 50.0 | 11,831 | 1,520 |
| Winston County, Mississippi | Rural | 51.0 | 8,950 | 616 |
| Wirt County, West Virginia | Urban | 50.3 | 2,540 | 1,216 |
| Wise County, Texas | Urban | 49.5 | 37,118 | 1,993 |
| Wise County, Virginia | Rural | 47.4 | 16,817 | 2,813 |
| Wolfe County, Kentucky | Rural | 50.1 | 3,226 | 1,408 |
| Wood County, Ohio | Urban | 50.4 | 66,588 | 1,106 |
| Wood County, Texas | Rural | 49.9 | 23,439 | 1,623 |
| Wood County, West Virginia | Urban | 51.0 | 42,512 | 616 |
| Wood County, Wisconsin | Rural | 50.1 | 37,057 | 1,408 |
| Woodbury County, Iowa | Urban | 49.5 | 52,618 | 1,993 |
| Woodford County, Illinois | Urban | 49.9 | 19,126 | 1,623 |
| Woodford County, Kentucky | Urban | 51.7 | 14,112 | 283 |
| Woodruff County, Arkansas | Rural | 48.5 | 2,923 | 2,549 |
| Woods County, Oklahoma | Rural | 46.4 | 3,986 | 2,913 |
| Woodson County, Kansas | Rural | 49.1 | 1,527 | 2,258 |
| Woodward County, Oklahoma | Rural | 47.5 | 9,581 | 2,799 |
| Worcester County, Maryland | Rural | 51.3 | 27,528 | 440 |
| Worcester County, Massachusetts | Urban | 50.3 | 436,771 | 1,216 |
| Worth County, Georgia | Urban | 52.3 | 10,693 | 150 |
| Worth County, Iowa | Rural | 48.1 | 3,535 | 2,666 |
| Worth County, Missouri | Rural | 47.7 | 922 | 2,752 |
| Wrangell Borough, Alaska | Rural | 50.5 | 1,054 | 1,013 |
| Wright County, Iowa | Rural | 49.7 | 6,360 | 1,826 |
| Wright County, Minnesota | Urban | 49.1 | 72,860 | 2,258 |
| Wright County, Missouri | Rural | 50.9 | 9,660 | 669 |
| Wyandot County, Ohio | Rural | 51.1 | 11,040 | 546 |
| Wyandotte County, Kansas | Urban | 49.6 | 83,236 | 1,906 |
| Wyoming County, New York | Rural | 46.5 | 18,494 | 2,903 |
| Wyoming County, Pennsylvania | Urban | 49.5 | 12,854 | 1,993 |
| Wyoming County, West Virginia | Rural | 50.3 | 10,384 | 1,216 |
| Wythe County, Virginia | Rural | 51.2 | 14,440 | 486 |
| Yadkin County, North Carolina | Urban | 49.6 | 18,626 | 1,906 |
| Yakima County, Washington | Urban | 49.9 | 128,239 | 1,623 |
| Yakutat City and Borough, Alaska | Rural | 38.3 | 202 | 3,113 |
| Yalobusha County, Mississippi | Rural | 52.0 | 6,455 | 205 |
| Yamhill County, Oregon | Urban | 49.6 | 53,884 | 1,906 |
| Yancey County, North Carolina | Rural | 50.7 | 9,529 | 832 |
| Yankton County, South Dakota | Rural | 48.0 | 11,239 | 2,690 |
| Yates County, New York | Rural | 50.7 | 12,431 | 832 |
| Yavapai County, Arizona | Urban | 50.8 | 124,636 | 748 |
| Yazoo County, Mississippi | Urban | 45.1 | 11,203 | 2,988 |
| Yell County, Arkansas | Rural | 49.6 | 9,993 | 1,906 |
| Yellow Medicine County, Minnesota | Rural | 49.1 | 4,643 | 2,258 |
| Yellowstone County, Montana | Urban | 50.4 | 85,196 | 1,106 |
| Yoakum County, Texas | Rural | 46.9 | 3,552 | 2,871 |
| Yolo County, California | Urban | 51.3 | 113,244 | 440 |
| York County, Maine | Urban | 50.7 | 109,981 | 832 |
| York County, Nebraska | Rural | 50.0 | 7,140 | 1,520 |
| York County, Pennsylvania | Urban | 50.2 | 232,608 | 1,309 |
| York County, South Carolina | Urban | 51.4 | 150,837 | 388 |
| York County, Virginia | Urban | 50.3 | 35,733 | 1,216 |
| Young County, Texas | Rural | 47.8 | 8,626 | 2,735 |
| Yuba County, California | Urban | 49.3 | 41,682 | 2,129 |
| Yukon-Koyukuk Census Area, Alaska | Rural | 46.1 | 2,394 | 2,935 |
| Yuma County, Arizona | Urban | 48.4 | 102,567 | 2,579 |
| Yuma County, Colorado | Rural | 48.5 | 4,835 | 2,549 |
| Zapata County, Texas | Rural | 50.5 | 6,988 | 1,013 |
| Zavala County, Texas | Rural | 47.4 | 4,465 | 2,813 |
| Ziebach County, South Dakota | Rural | 50.1 | 1,192 | 1,408 |
Notes:
Created by statecancerprofiles.cancer.gov on 03/21/2026 8:30 pm.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Puerto Rico is treated as urban because over 90% of the population lives in urban areas.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Sex - Female, see the dictionary.
Note: This website still uses Connecticut counties instead of planning regions for consistency of geographies across data topics. If/when all data sources have new planning regions, then this website will switch to using them.
Data for United States does not include Puerto Rico.


