Demographics Table
Demographic Data Report for United States by County
Population: Age 65 and over
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 65 And Over)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| United States | N/A | 16.8 | 55,970,047 | N/A |
| Abbeville County, South Carolina | Rural | 22.6 | 5,496 | 764 |
| Acadia Parish, Louisiana | Urban | 16.1 | 9,227 | 2,534 |
| Accomack County, Virginia | Rural | 25.2 | 8,382 | 409 |
| Ada County, Idaho | Urban | 15.7 | 79,976 | 2,609 |
| Adair County, Iowa | Rural | 22.2 | 1,660 | 831 |
| Adair County, Kentucky | Rural | 19.6 | 3,735 | 1,573 |
| Adair County, Missouri | Rural | 15.2 | 3,823 | 2,701 |
| Adair County, Oklahoma | Rural | 15.8 | 3,099 | 2,586 |
| Adams County, Colorado | Urban | 11.0 | 57,841 | 3,088 |
| Adams County, Idaho | Rural | 30.4 | 1,397 | 104 |
| Adams County, Illinois | Rural | 20.1 | 13,072 | 1,396 |
| Adams County, Indiana | Rural | 16.0 | 5,742 | 2,557 |
| Adams County, Iowa | Rural | 24.0 | 874 | 536 |
| Adams County, Mississippi | Rural | 21.6 | 6,271 | 984 |
| Adams County, Nebraska | Rural | 18.5 | 5,731 | 1,902 |
| Adams County, North Dakota | Rural | 28.1 | 613 | 190 |
| Adams County, Ohio | Rural | 18.5 | 5,101 | 1,902 |
| Adams County, Pennsylvania | Urban | 21.3 | 22,404 | 1,047 |
| Adams County, Washington | Rural | 11.8 | 2,446 | 3,058 |
| Adams County, Wisconsin | Rural | 31.6 | 6,603 | 74 |
| Addison County, Vermont | Rural | 22.0 | 8,266 | 877 |
| Aiken County, South Carolina | Urban | 20.4 | 35,009 | 1,300 |
| Aitkin County, Minnesota | Rural | 33.9 | 5,404 | 37 |
| Alachua County, Florida | Urban | 14.9 | 42,114 | 2,744 |
| Alamance County, North Carolina | Urban | 16.9 | 29,514 | 2,348 |
| Alameda County, California | Urban | 14.9 | 246,841 | 2,744 |
| Alamosa County, Colorado | Rural | 14.8 | 2,436 | 2,760 |
| Albany County, New York | Urban | 17.8 | 56,132 | 2,122 |
| Albany County, Wyoming | Rural | 13.1 | 4,931 | 2,964 |
| Albemarle County, Virginia | Urban | 19.9 | 22,616 | 1,472 |
| Alcona County, Michigan | Rural | 36.2 | 3,734 | 22 |
| Alcorn County, Mississippi | Rural | 18.8 | 6,477 | 1,812 |
| Aleutians East Borough, Alaska | Rural | 11.5 | 393 | 3,068 |
| Aleutians West Census Area, Alaska | Rural | 6.4 | 330 | 3,140 |
| Alexander County, Illinois | Urban | 24.2 | 1,221 | 518 |
| Alexander County, North Carolina | Urban | 20.6 | 7,500 | 1,240 |
| Alexandria City, Virginia | Urban | 12.6 | 19,720 | 3,010 |
| Alfalfa County, Oklahoma | Rural | 20.0 | 1,135 | 1,434 |
| Alger County, Michigan | Rural | 26.6 | 2,342 | 285 |
| Allamakee County, Iowa | Rural | 22.7 | 3,186 | 747 |
| Allegan County, Michigan | Rural | 17.8 | 21,555 | 2,122 |
| Allegany County, Maryland | Rural | 21.0 | 14,200 | 1,116 |
| Allegany County, New York | Rural | 19.7 | 9,279 | 1,544 |
| Alleghany County and Clifton Forge City, Virginia | Rural | 25.8 | 3,857 | 347 |
| Alleghany County, North Carolina | Rural | 29.7 | 3,292 | 120 |
| Allegheny County, Pennsylvania | Urban | 19.7 | 244,881 | 1,544 |
| Allen County, Indiana | Urban | 15.3 | 59,536 | 2,688 |
| Allen County, Kansas | Rural | 20.8 | 2,594 | 1,178 |
| Allen County, Kentucky | Urban | 17.6 | 3,699 | 2,177 |
| Allen County, Ohio | Urban | 18.7 | 18,988 | 1,845 |
| Allen Parish, Louisiana | Rural | 14.4 | 3,250 | 2,816 |
| Allendale County, South Carolina | Rural | 21.7 | 1,680 | 953 |
| Alpena County, Michigan | Rural | 24.5 | 7,075 | 482 |
| Alpine County, California | Rural | 21.8 | 369 | 928 |
| Amador County, California | Rural | 27.2 | 11,163 | 239 |
| Amelia County, Virginia | Urban | 20.8 | 2,773 | 1,178 |
| Amherst County, Virginia | Urban | 21.4 | 6,713 | 1,021 |
| Amite County, Mississippi | Rural | 25.4 | 3,209 | 390 |
| Anchorage Borough, Alaska | Urban | 12.4 | 35,936 | 3,027 |
| Anderson County, Kansas | Rural | 20.7 | 1,621 | 1,214 |
| Anderson County, Kentucky | Rural | 16.3 | 3,927 | 2,495 |
| Anderson County, South Carolina | Urban | 18.2 | 37,680 | 2,001 |
| Anderson County, Tennessee | Urban | 20.1 | 15,749 | 1,396 |
| Anderson County, Texas | Rural | 15.0 | 8,698 | 2,726 |
| Andrew County, Missouri | Urban | 20.6 | 3,722 | 1,240 |
| Andrews County, Texas | Rural | 9.7 | 1,790 | 3,118 |
| Androscoggin County, Maine | Urban | 18.5 | 20,770 | 1,902 |
| Angelina County, Texas | Rural | 16.5 | 14,346 | 2,445 |
| Anne Arundel County, Maryland | Urban | 15.6 | 91,932 | 2,625 |
| Anoka County, Minnesota | Urban | 15.0 | 55,001 | 2,726 |
| Anson County, North Carolina | Urban | 19.9 | 4,362 | 1,472 |
| Antelope County, Nebraska | Rural | 24.0 | 1,512 | 536 |
| Antrim County, Michigan | Rural | 28.3 | 6,748 | 182 |
| Apache County, Arizona | Rural | 16.2 | 10,662 | 2,512 |
| Appanoose County, Iowa | Rural | 23.4 | 2,865 | 635 |
| Appling County, Georgia | Rural | 18.0 | 3,317 | 2,064 |
| Appomattox County, Virginia | Urban | 20.7 | 3,396 | 1,214 |
| Aransas County, Texas | Urban | 28.0 | 6,844 | 192 |
| Arapahoe County, Colorado | Urban | 14.0 | 92,071 | 2,862 |
| Archer County, Texas | Urban | 21.0 | 1,834 | 1,116 |
| Archuleta County, Colorado | Rural | 27.7 | 3,801 | 208 |
| Arenac County, Michigan | Rural | 26.3 | 3,964 | 312 |
| Arkansas County, Arkansas | Rural | 19.9 | 3,342 | 1,472 |
| Arlington County, Virginia | Urban | 11.6 | 27,321 | 3,062 |
| Armstrong County, Pennsylvania | Urban | 23.4 | 15,242 | 635 |
| Armstrong County, Texas | Urban | 26.0 | 489 | 333 |
| Aroostook County, Maine | Rural | 25.4 | 17,049 | 390 |
| Arthur County, Nebraska | Rural | 19.3 | 104 | 1,663 |
| Ascension Parish, Louisiana | Urban | 12.7 | 16,366 | 3,000 |
| Ashe County, North Carolina | Rural | 27.0 | 7,236 | 253 |
| Ashland County, Ohio | Rural | 20.0 | 10,481 | 1,434 |
| Ashland County, Wisconsin | Rural | 21.1 | 3,380 | 1,091 |
| Ashley County, Arkansas | Rural | 21.3 | 3,992 | 1,047 |
| Ashtabula County, Ohio | Urban | 19.9 | 19,341 | 1,472 |
| Asotin County, Washington | Urban | 24.6 | 5,519 | 468 |
| Assumption Parish, Louisiana | Urban | 20.1 | 4,172 | 1,396 |
| Atascosa County, Texas | Urban | 15.0 | 7,518 | 2,726 |
| Atchison County, Kansas | Rural | 17.7 | 2,863 | 2,153 |
| Atchison County, Missouri | Rural | 25.2 | 1,317 | 409 |
| Athens County, Ohio | Rural | 14.7 | 9,053 | 2,773 |
| Atkinson County, Georgia | Rural | 13.6 | 1,123 | 2,906 |
| Atlantic County, New Jersey | Urban | 19.3 | 52,889 | 1,663 |
| Atoka County, Oklahoma | Rural | 18.8 | 2,673 | 1,812 |
| Attala County, Mississippi | Rural | 19.4 | 3,425 | 1,636 |
| Audrain County, Missouri | Rural | 18.6 | 4,583 | 1,871 |
| Audubon County, Iowa | Rural | 25.0 | 1,405 | 424 |
| Auglaize County, Ohio | Rural | 19.2 | 8,853 | 1,694 |
| Augusta County, Virginia | Urban | 22.0 | 17,133 | 877 |
| Aurora County, South Dakota | Rural | 20.9 | 539 | 1,146 |
| Austin County, Texas | Urban | 20.9 | 6,404 | 1,146 |
| Autauga County, Alabama | Urban | 16.0 | 9,474 | 2,557 |
| Avery County, North Carolina | Rural | 23.0 | 4,059 | 701 |
| Avoyelles Parish, Louisiana | Rural | 17.3 | 6,771 | 2,252 |
| Baca County, Colorado | Rural | 25.0 | 866 | 424 |
| Bacon County, Georgia | Rural | 16.8 | 1,873 | 2,373 |
| Bailey County, Texas | Rural | 17.4 | 1,226 | 2,221 |
| Baker County, Florida | Urban | 15.1 | 4,253 | 2,713 |
| Baker County, Georgia | Rural | 26.1 | 738 | 326 |
| Baker County, Oregon | Rural | 27.6 | 4,643 | 212 |
| Baldwin County, Alabama | Urban | 21.4 | 51,326 | 1,021 |
| Baldwin County, Georgia | Rural | 16.7 | 7,293 | 2,398 |
| Ballard County, Kentucky | Urban | 22.0 | 1,686 | 877 |
| Baltimore City, Maryland | Urban | 14.9 | 86,161 | 2,744 |
| Baltimore County, Maryland | Urban | 17.8 | 150,859 | 2,122 |
| Bamberg County, South Carolina | Rural | 23.5 | 3,089 | 617 |
| Bandera County, Texas | Urban | 29.4 | 6,347 | 131 |
| Banks County, Georgia | Rural | 17.1 | 3,215 | 2,293 |
| Banner County, Nebraska | Rural | 28.8 | 189 | 156 |
| Bannock County, Idaho | Urban | 15.0 | 13,244 | 2,726 |
| Baraga County, Michigan | Rural | 23.0 | 1,897 | 701 |
| Barber County, Kansas | Rural | 23.2 | 963 | 668 |
| Barbour County, Alabama | Rural | 19.7 | 4,881 | 1,544 |
| Barbour County, West Virginia | Rural | 20.8 | 3,214 | 1,178 |
| Barnes County, North Dakota | Rural | 22.8 | 2,456 | 726 |
| Barnstable County, Massachusetts | Urban | 32.3 | 74,234 | 59 |
| Barnwell County, South Carolina | Rural | 18.9 | 3,892 | 1,772 |
| Barren County, Kentucky | Rural | 17.9 | 8,002 | 2,093 |
| Barron County, Wisconsin | Rural | 23.1 | 10,817 | 686 |
| Barrow County, Georgia | Urban | 12.8 | 11,141 | 2,991 |
| Barry County, Michigan | Urban | 19.0 | 11,989 | 1,737 |
| Barry County, Missouri | Rural | 21.9 | 7,616 | 902 |
| Bartholomew County, Indiana | Urban | 16.5 | 13,706 | 2,445 |
| Barton County, Kansas | Rural | 20.6 | 5,197 | 1,240 |
| Barton County, Missouri | Rural | 20.8 | 2,433 | 1,178 |
| Bartow County, Georgia | Urban | 14.5 | 16,151 | 2,801 |
| Bastrop County, Texas | Urban | 15.3 | 15,617 | 2,688 |
| Bates County, Missouri | Urban | 19.2 | 3,101 | 1,694 |
| Bath County, Kentucky | Rural | 16.7 | 2,142 | 2,398 |
| Bath County, Virginia | Rural | 27.4 | 1,128 | 226 |
| Baxter County, Arkansas | Rural | 31.1 | 13,098 | 86 |
| Bay County, Florida | Urban | 18.2 | 33,065 | 2,001 |
| Bay County, Michigan | Urban | 21.3 | 22,007 | 1,047 |
| Bayfield County, Wisconsin | Rural | 30.3 | 4,978 | 112 |
| Baylor County, Texas | Rural | 26.4 | 916 | 304 |
| Beadle County, South Dakota | Rural | 18.3 | 3,523 | 1,968 |
| Bear Lake County, Idaho | Rural | 20.9 | 1,368 | 1,146 |
| Beaufort County, North Carolina | Rural | 25.0 | 11,130 | 424 |
| Beaufort County, South Carolina | Urban | 27.9 | 53,616 | 194 |
| Beauregard Parish, Louisiana | Rural | 16.0 | 5,867 | 2,557 |
| Beaver County, Oklahoma | Rural | 19.4 | 978 | 1,636 |
| Beaver County, Pennsylvania | Urban | 22.2 | 37,123 | 831 |
| Beaver County, Utah | Rural | 14.7 | 1,056 | 2,773 |
| Beaverhead County, Montana | Rural | 23.7 | 2,273 | 583 |
| Becker County, Minnesota | Rural | 22.2 | 7,815 | 831 |
| Beckham County, Oklahoma | Rural | 14.6 | 3,234 | 2,792 |
| Bedford City and County, Virginia | Urban | 22.7 | 18,224 | 747 |
| Bedford County, Pennsylvania | Rural | 23.5 | 11,145 | 617 |
| Bedford County, Tennessee | Rural | 14.5 | 7,458 | 2,801 |
| Bee County, Texas | Rural | 12.6 | 3,906 | 3,010 |
| Belknap County, New Hampshire | Rural | 23.4 | 15,026 | 635 |
| Bell County, Kentucky | Rural | 18.8 | 4,494 | 1,812 |
| Bell County, Texas | Urban | 11.6 | 43,995 | 3,062 |
| Belmont County, Ohio | Urban | 21.4 | 14,110 | 1,021 |
| Beltrami County, Minnesota | Rural | 17.0 | 7,880 | 2,320 |
| Ben Hill County, Georgia | Rural | 17.8 | 3,046 | 2,122 |
| Benewah County, Idaho | Rural | 23.5 | 2,325 | 617 |
| Bennett County, South Dakota | Rural | 15.3 | 512 | 2,688 |
| Bennington County, Vermont | Rural | 23.8 | 8,865 | 569 |
| Benson County, North Dakota | Rural | 15.4 | 902 | 2,662 |
| Bent County, Colorado | Rural | 18.8 | 1,039 | 1,812 |
| Benton County, Arkansas | Urban | 13.6 | 40,157 | 2,906 |
| Benton County, Indiana | Urban | 17.2 | 1,498 | 2,277 |
| Benton County, Iowa | Urban | 19.3 | 4,962 | 1,663 |
| Benton County, Minnesota | Urban | 13.9 | 5,755 | 2,876 |
| Benton County, Mississippi | Urban | 21.3 | 1,614 | 1,047 |
| Benton County, Missouri | Rural | 31.1 | 6,183 | 86 |
| Benton County, Oregon | Urban | 17.2 | 16,549 | 2,277 |
| Benton County, Tennessee | Rural | 23.7 | 3,786 | 583 |
| Benton County, Washington | Urban | 15.6 | 32,722 | 2,625 |
| Benzie County, Michigan | Urban | 27.8 | 5,050 | 200 |
| Bergen County, New Jersey | Urban | 17.8 | 170,348 | 2,122 |
| Berkeley County, South Carolina | Urban | 14.5 | 34,719 | 2,801 |
| Berkeley County, West Virginia | Urban | 15.1 | 19,045 | 2,713 |
| Berks County, Pennsylvania | Urban | 17.7 | 76,181 | 2,153 |
| Berkshire County, Massachusetts | Urban | 24.6 | 31,527 | 468 |
| Bernalillo County, New Mexico | Urban | 17.8 | 119,885 | 2,122 |
| Berrien County, Georgia | Rural | 17.8 | 3,242 | 2,122 |
| Berrien County, Michigan | Urban | 20.8 | 31,950 | 1,178 |
| Bertie County, North Carolina | Rural | 24.3 | 4,245 | 508 |
| Bethel Census Area, Alaska | Rural | 8.0 | 1,482 | 3,135 |
| Bexar County, Texas | Urban | 12.7 | 257,782 | 3,000 |
| Bibb County, Alabama | Urban | 17.0 | 3,756 | 2,320 |
| Bibb County, Georgia | Urban | 16.2 | 25,354 | 2,512 |
| Bienville Parish, Louisiana | Rural | 21.0 | 2,684 | 1,116 |
| Big Horn County, Montana | Rural | 13.7 | 1,773 | 2,891 |
| Big Horn County, Wyoming | Rural | 21.5 | 2,528 | 1,005 |
| Big Stone County, Minnesota | Rural | 26.5 | 1,366 | 296 |
| Billings County, North Dakota | Rural | 27.0 | 256 | 253 |
| Bingham County, Idaho | Rural | 14.8 | 7,258 | 2,760 |
| Black Hawk County, Iowa | Urban | 17.5 | 22,833 | 2,196 |
| Blackford County, Indiana | Rural | 22.1 | 2,655 | 847 |
| Bladen County, North Carolina | Rural | 23.2 | 6,858 | 668 |
| Blaine County, Idaho | Rural | 21.8 | 5,366 | 928 |
| Blaine County, Montana | Rural | 16.4 | 1,147 | 2,467 |
| Blaine County, Nebraska | Rural | 34.0 | 131 | 35 |
| Blaine County, Oklahoma | Rural | 19.6 | 1,685 | 1,573 |
| Blair County, Pennsylvania | Urban | 21.1 | 25,764 | 1,091 |
| Blanco County, Texas | Rural | 25.6 | 3,073 | 369 |
| Bland County, Virginia | Rural | 24.5 | 1,522 | 482 |
| Bleckley County, Georgia | Rural | 17.7 | 2,198 | 2,153 |
| Bledsoe County, Tennessee | Rural | 20.3 | 3,029 | 1,328 |
| Blount County, Alabama | Urban | 18.6 | 11,019 | 1,871 |
| Blount County, Tennessee | Urban | 20.8 | 28,598 | 1,178 |
| Blue Earth County, Minnesota | Urban | 14.7 | 10,212 | 2,773 |
| Boise County, Idaho | Urban | 27.3 | 2,197 | 233 |
| Bolivar County, Mississippi | Rural | 16.7 | 5,025 | 2,398 |
| Bollinger County, Missouri | Urban | 20.7 | 2,190 | 1,214 |
| Bon Homme County, South Dakota | Rural | 21.3 | 1,495 | 1,047 |
| Bond County, Illinois | Urban | 18.3 | 3,044 | 1,968 |
| Bonner County, Idaho | Rural | 26.1 | 12,932 | 326 |
| Bonneville County, Idaho | Urban | 13.7 | 17,345 | 2,891 |
| Boone County, Arkansas | Rural | 21.0 | 7,943 | 1,116 |
| Boone County, Illinois | Urban | 16.4 | 8,719 | 2,467 |
| Boone County, Indiana | Urban | 14.6 | 10,627 | 2,792 |
| Boone County, Iowa | Urban | 19.6 | 5,234 | 1,573 |
| Boone County, Kentucky | Urban | 14.5 | 19,967 | 2,801 |
| Boone County, Missouri | Urban | 13.1 | 24,330 | 2,964 |
| Boone County, Nebraska | Rural | 23.5 | 1,262 | 617 |
| Boone County, West Virginia | Urban | 21.6 | 4,606 | 984 |
| Borden County, Texas | Rural | 13.6 | 98 | 2,906 |
| Bosque County, Texas | Urban | 25.3 | 4,684 | 399 |
| Bossier Parish, Louisiana | Urban | 15.0 | 19,355 | 2,726 |
| Botetourt County, Virginia | Urban | 23.6 | 8,005 | 597 |
| Bottineau County, North Dakota | Rural | 24.8 | 1,585 | 448 |
| Boulder County, Colorado | Urban | 15.8 | 51,867 | 2,586 |
| Boundary County, Idaho | Rural | 23.6 | 2,990 | 597 |
| Bourbon County, Kansas | Rural | 19.4 | 2,793 | 1,636 |
| Bourbon County, Kentucky | Urban | 19.5 | 3,937 | 1,606 |
| Bowie County, Texas | Urban | 17.3 | 15,998 | 2,252 |
| Bowman County, North Dakota | Rural | 23.8 | 699 | 569 |
| Box Butte County, Nebraska | Rural | 20.2 | 2,174 | 1,354 |
| Box Elder County, Utah | Rural | 12.8 | 7,671 | 2,991 |
| Boyd County, Kentucky | Urban | 20.2 | 9,715 | 1,354 |
| Boyd County, Nebraska | Rural | 33.8 | 576 | 40 |
| Boyle County, Kentucky | Rural | 18.7 | 5,731 | 1,845 |
| Bracken County, Kentucky | Urban | 17.6 | 1,486 | 2,177 |
| Bradford County, Florida | Rural | 18.1 | 5,055 | 2,034 |
| Bradford County, Pennsylvania | Rural | 22.1 | 13,252 | 847 |
| Bradley County, Arkansas | Rural | 18.5 | 1,919 | 1,902 |
| Bradley County, Tennessee | Urban | 17.1 | 18,739 | 2,293 |
| Branch County, Michigan | Rural | 19.0 | 8,529 | 1,737 |
| Brantley County, Georgia | Urban | 17.0 | 3,090 | 2,320 |
| Braxton County, West Virginia | Rural | 24.4 | 3,015 | 494 |
| Brazoria County, Texas | Urban | 12.5 | 47,818 | 3,019 |
| Brazos County, Texas | Urban | 9.8 | 23,376 | 3,113 |
| Breathitt County, Kentucky | Rural | 18.3 | 2,464 | 1,968 |
| Breckinridge County, Kentucky | Rural | 19.9 | 4,132 | 1,472 |
| Bremer County, Iowa | Urban | 19.5 | 4,901 | 1,606 |
| Brevard County, Florida | Urban | 24.2 | 150,162 | 518 |
| Brewster County, Texas | Rural | 25.3 | 2,392 | 399 |
| Briscoe County, Texas | Rural | 28.0 | 342 | 192 |
| Bristol Bay Borough, Alaska | Rural | 13.8 | 121 | 2,885 |
| Bristol City, Virginia | Urban | 23.1 | 3,928 | 686 |
| Bristol County, Massachusetts | Urban | 17.4 | 100,780 | 2,221 |
| Bristol County, Rhode Island | Urban | 20.5 | 10,351 | 1,272 |
| Broadwater County, Montana | Urban | 23.6 | 1,722 | 597 |
| Bronx County, New York | Urban | 13.9 | 197,702 | 2,876 |
| Brooke County, West Virginia | Urban | 24.5 | 5,396 | 482 |
| Brookings County, South Dakota | Rural | 13.3 | 4,647 | 2,940 |
| Brooks County, Georgia | Urban | 20.8 | 3,383 | 1,178 |
| Brooks County, Texas | Rural | 18.2 | 1,274 | 2,001 |
| Broome County, New York | Urban | 19.9 | 39,373 | 1,472 |
| Broomfield County, Colorado | Urban | 15.1 | 11,357 | 2,713 |
| Broward County, Florida | Urban | 17.6 | 342,594 | 2,177 |
| Brown County, Illinois | Rural | 16.2 | 1,024 | 2,512 |
| Brown County, Indiana | Urban | 26.3 | 4,081 | 312 |
| Brown County, Kansas | Rural | 21.5 | 2,028 | 1,005 |
| Brown County, Minnesota | Rural | 21.8 | 5,627 | 928 |
| Brown County, Nebraska | Rural | 27.2 | 745 | 239 |
| Brown County, Ohio | Urban | 18.8 | 8,205 | 1,812 |
| Brown County, South Dakota | Rural | 17.6 | 6,708 | 2,177 |
| Brown County, Texas | Rural | 20.6 | 7,871 | 1,240 |
| Brown County, Wisconsin | Urban | 15.9 | 42,792 | 2,574 |
| Brule County, South Dakota | Rural | 20.3 | 1,066 | 1,328 |
| Brunswick County, North Carolina | Urban | 33.3 | 48,517 | 46 |
| Brunswick County, Virginia | Rural | 21.9 | 3,474 | 902 |
| Bryan County, Georgia | Urban | 10.7 | 5,018 | 3,096 |
| Bryan County, Oklahoma | Rural | 17.4 | 8,200 | 2,221 |
| Buchanan County, Iowa | Rural | 18.3 | 3,773 | 1,968 |
| Buchanan County, Missouri | Urban | 17.1 | 14,335 | 2,293 |
| Buchanan County, Virginia | Rural | 23.5 | 4,661 | 617 |
| Buckingham County, Virginia | Rural | 20.2 | 3,419 | 1,354 |
| Bucks County, Pennsylvania | Urban | 20.0 | 128,921 | 1,434 |
| Buena Vista City, Virginia | Rural | 18.3 | 1,213 | 1,968 |
| Buena Vista County, Iowa | Rural | 16.0 | 3,317 | 2,557 |
| Buffalo County, Nebraska | Rural | 16.0 | 8,045 | 2,557 |
| Buffalo County, South Dakota | Rural | 9.3 | 164 | 3,125 |
| Buffalo County, Wisconsin | Rural | 23.3 | 3,106 | 653 |
| Bullitt County, Kentucky | Urban | 16.9 | 14,042 | 2,348 |
| Bulloch County, Georgia | Rural | 12.1 | 9,836 | 3,044 |
| Bullock County, Alabama | Rural | 17.9 | 1,817 | 2,093 |
| Buncombe County, North Carolina | Urban | 20.8 | 56,572 | 1,178 |
| Bureau County, Illinois | Rural | 22.7 | 7,488 | 747 |
| Burke County, Georgia | Urban | 17.0 | 4,153 | 2,320 |
| Burke County, North Carolina | Urban | 21.2 | 18,659 | 1,070 |
| Burke County, North Dakota | Rural | 21.2 | 459 | 1,070 |
| Burleigh County, North Dakota | Urban | 17.4 | 17,208 | 2,221 |
| Burleson County, Texas | Urban | 22.4 | 4,110 | 800 |
| Burlington County, New Jersey | Urban | 17.9 | 83,125 | 2,093 |
| Burnet County, Texas | Rural | 23.4 | 11,927 | 635 |
| Burnett County, Wisconsin | Rural | 31.3 | 5,234 | 81 |
| Burt County, Nebraska | Rural | 24.5 | 1,649 | 482 |
| Butler County, Alabama | Rural | 21.4 | 4,026 | 1,021 |
| Butler County, Iowa | Rural | 22.8 | 3,258 | 726 |
| Butler County, Kansas | Urban | 15.9 | 10,798 | 2,574 |
| Butler County, Kentucky | Urban | 19.0 | 2,345 | 1,737 |
| Butler County, Missouri | Rural | 19.3 | 8,123 | 1,663 |
| Butler County, Nebraska | Rural | 20.4 | 1,718 | 1,300 |
| Butler County, Ohio | Urban | 15.5 | 60,535 | 2,640 |
| Butler County, Pennsylvania | Urban | 20.1 | 39,327 | 1,396 |
| Butte County, California | Urban | 18.2 | 38,054 | 2,001 |
| Butte County, Idaho | Urban | 19.9 | 528 | 1,472 |
| Butte County, South Dakota | Rural | 19.7 | 2,080 | 1,544 |
| Butts County, Georgia | Urban | 15.5 | 4,045 | 2,640 |
| Cabarrus County, North Carolina | Urban | 13.4 | 30,979 | 2,930 |
| Cabell County, West Virginia | Urban | 19.6 | 18,247 | 1,573 |
| Cache County, Utah | Urban | 9.9 | 13,550 | 3,110 |
| Caddo County, Oklahoma | Rural | 15.6 | 4,166 | 2,625 |
| Caddo Parish, Louisiana | Urban | 18.4 | 42,913 | 1,938 |
| Calaveras County, California | Rural | 28.7 | 13,220 | 163 |
| Calcasieu Parish, Louisiana | Urban | 15.6 | 32,572 | 2,625 |
| Caldwell County, Kentucky | Rural | 21.1 | 2,667 | 1,091 |
| Caldwell County, Missouri | Urban | 20.0 | 1,779 | 1,434 |
| Caldwell County, North Carolina | Urban | 21.2 | 17,060 | 1,070 |
| Caldwell County, Texas | Urban | 15.2 | 7,171 | 2,701 |
| Caldwell Parish, Louisiana | Rural | 18.1 | 1,727 | 2,034 |
| Caledonia County, Vermont | Rural | 22.5 | 6,840 | 783 |
| Calhoun County, Alabama | Urban | 18.0 | 20,939 | 2,064 |
| Calhoun County, Arkansas | Rural | 21.7 | 1,024 | 953 |
| Calhoun County, Florida | Rural | 17.9 | 2,428 | 2,093 |
| Calhoun County, Georgia | Rural | 16.8 | 931 | 2,373 |
| Calhoun County, Illinois | Urban | 24.6 | 1,086 | 468 |
| Calhoun County, Iowa | Rural | 23.3 | 2,295 | 653 |
| Calhoun County, Michigan | Urban | 18.2 | 24,384 | 2,001 |
| Calhoun County, Mississippi | Rural | 20.2 | 2,628 | 1,354 |
| Calhoun County, South Carolina | Urban | 24.1 | 3,417 | 531 |
| Calhoun County, Texas | Rural | 18.6 | 3,707 | 1,871 |
| Calhoun County, West Virginia | Rural | 26.0 | 1,603 | 333 |
| Callahan County, Texas | Urban | 20.8 | 2,911 | 1,178 |
| Callaway County, Missouri | Urban | 17.4 | 7,733 | 2,221 |
| Calloway County, Kentucky | Rural | 16.8 | 6,357 | 2,373 |
| Calumet County, Wisconsin | Urban | 16.5 | 8,667 | 2,445 |
| Calvert County, Maryland | Urban | 15.9 | 14,914 | 2,574 |
| Camas County, Idaho | Rural | 14.9 | 172 | 2,744 |
| Cambria County, Pennsylvania | Urban | 23.5 | 31,109 | 617 |
| Camden County, Georgia | Rural | 14.7 | 8,235 | 2,773 |
| Camden County, Missouri | Rural | 28.9 | 12,556 | 146 |
| Camden County, New Jersey | Urban | 16.2 | 84,971 | 2,512 |
| Camden County, North Carolina | Urban | 16.0 | 1,714 | 2,557 |
| Cameron County, Pennsylvania | Rural | 29.5 | 1,320 | 128 |
| Cameron County, Texas | Urban | 14.0 | 59,431 | 2,862 |
| Cameron Parish, Louisiana | Urban | 17.7 | 924 | 2,153 |
| Camp County, Texas | Rural | 18.0 | 2,282 | 2,064 |
| Campbell County, Kentucky | Urban | 17.1 | 15,918 | 2,293 |
| Campbell County, South Dakota | Rural | 28.4 | 420 | 174 |
| Campbell County, Tennessee | Urban | 20.8 | 8,214 | 1,178 |
| Campbell County, Virginia | Urban | 20.7 | 11,490 | 1,214 |
| Campbell County, Wyoming | Rural | 12.2 | 5,738 | 3,036 |
| Canadian County, Oklahoma | Urban | 13.5 | 21,889 | 2,918 |
| Candler County, Georgia | Rural | 18.3 | 2,006 | 1,968 |
| Cannon County, Tennessee | Urban | 17.4 | 2,551 | 2,221 |
| Canyon County, Idaho | Urban | 14.4 | 34,795 | 2,816 |
| Cape Girardeau County, Missouri | Urban | 17.2 | 14,172 | 2,277 |
| Cape May County, New Jersey | Urban | 28.6 | 27,232 | 166 |
| Carbon County, Montana | Urban | 27.2 | 2,960 | 239 |
| Carbon County, Pennsylvania | Urban | 22.1 | 14,403 | 847 |
| Carbon County, Utah | Rural | 18.8 | 3,843 | 1,812 |
| Carbon County, Wyoming | Rural | 19.0 | 2,761 | 1,737 |
| Caribou County, Idaho | Rural | 17.9 | 1,277 | 2,093 |
| Carlisle County, Kentucky | Urban | 19.9 | 947 | 1,472 |
| Carlton County, Minnesota | Urban | 18.2 | 6,634 | 2,001 |
| Caroline County, Maryland | Rural | 17.1 | 5,719 | 2,293 |
| Caroline County, Virginia | Rural | 16.4 | 5,163 | 2,467 |
| Carroll County, Arkansas | Rural | 23.3 | 6,640 | 653 |
| Carroll County, Georgia | Urban | 14.0 | 17,112 | 2,862 |
| Carroll County, Illinois | Rural | 24.0 | 3,749 | 536 |
| Carroll County, Indiana | Urban | 20.4 | 4,169 | 1,300 |
| Carroll County, Iowa | Rural | 21.0 | 4,333 | 1,116 |
| Carroll County, Kentucky | Rural | 16.2 | 1,766 | 2,512 |
| Carroll County, Maryland | Urban | 17.6 | 30,667 | 2,177 |
| Carroll County, Mississippi | Rural | 24.5 | 2,407 | 482 |
| Carroll County, Missouri | Rural | 22.0 | 1,861 | 877 |
| Carroll County, New Hampshire | Rural | 30.1 | 15,425 | 115 |
| Carroll County, Ohio | Urban | 21.9 | 5,852 | 902 |
| Carroll County, Tennessee | Rural | 19.9 | 5,654 | 1,472 |
| Carroll County, Virginia | Rural | 25.6 | 7,477 | 369 |
| Carson City, Nevada | Urban | 20.8 | 12,128 | 1,178 |
| Carson County, Texas | Urban | 21.9 | 1,273 | 902 |
| Carter County, Kentucky | Urban | 19.9 | 5,285 | 1,472 |
| Carter County, Missouri | Rural | 20.1 | 1,061 | 1,396 |
| Carter County, Montana | Rural | 30.1 | 410 | 115 |
| Carter County, Oklahoma | Rural | 16.9 | 8,165 | 2,348 |
| Carter County, Tennessee | Urban | 22.3 | 12,593 | 817 |
| Carteret County, North Carolina | Rural | 26.3 | 18,051 | 312 |
| Carver County, Minnesota | Urban | 13.8 | 14,990 | 2,885 |
| Cascade County, Montana | Urban | 19.3 | 16,354 | 1,663 |
| Casey County, Kentucky | Rural | 20.2 | 3,226 | 1,354 |
| Cass County, Illinois | Rural | 18.6 | 2,382 | 1,871 |
| Cass County, Indiana | Rural | 18.1 | 6,841 | 2,034 |
| Cass County, Iowa | Rural | 23.2 | 3,044 | 668 |
| Cass County, Michigan | Urban | 22.0 | 11,341 | 877 |
| Cass County, Minnesota | Rural | 26.8 | 8,238 | 272 |
| Cass County, Missouri | Urban | 17.5 | 19,108 | 2,196 |
| Cass County, Nebraska | Urban | 18.3 | 4,942 | 1,968 |
| Cass County, North Dakota | Urban | 12.8 | 24,154 | 2,991 |
| Cass County, Texas | Rural | 22.2 | 6,342 | 831 |
| Cassia County, Idaho | Rural | 13.7 | 3,450 | 2,891 |
| Castro County, Texas | Rural | 16.8 | 1,233 | 2,373 |
| Caswell County, North Carolina | Rural | 22.5 | 5,096 | 783 |
| Catahoula Parish, Louisiana | Rural | 18.2 | 1,589 | 2,001 |
| Catawba County, North Carolina | Urban | 18.4 | 29,857 | 1,938 |
| Catoosa County, Georgia | Urban | 18.2 | 12,471 | 2,001 |
| Catron County, New Mexico | Rural | 44.5 | 1,639 | 4 |
| Cattaraugus County, New York | Rural | 20.3 | 15,502 | 1,328 |
| Cavalier County, North Dakota | Rural | 27.3 | 1,000 | 233 |
| Cayuga County, New York | Rural | 20.6 | 15,509 | 1,240 |
| Cecil County, Maryland | Urban | 16.7 | 17,411 | 2,398 |
| Cedar County, Iowa | Rural | 20.6 | 3,788 | 1,240 |
| Cedar County, Missouri | Rural | 23.6 | 3,409 | 597 |
| Cedar County, Nebraska | Rural | 21.9 | 1,829 | 902 |
| Centre County, Pennsylvania | Urban | 15.5 | 24,549 | 2,640 |
| Cerro Gordo County, Iowa | Rural | 23.0 | 9,845 | 701 |
| Chaffee County, Colorado | Rural | 25.8 | 5,129 | 347 |
| Chambers County, Alabama | Rural | 20.0 | 6,884 | 1,434 |
| Chambers County, Texas | Urban | 12.6 | 6,221 | 3,010 |
| Champaign County, Illinois | Urban | 13.6 | 28,065 | 2,906 |
| Champaign County, Ohio | Rural | 18.9 | 7,341 | 1,772 |
| Chariton County, Missouri | Rural | 25.0 | 1,851 | 424 |
| Charles City County, Virginia | Urban | 26.2 | 1,749 | 319 |
| Charles County, Maryland | Urban | 13.1 | 22,108 | 2,964 |
| Charles Mix County, South Dakota | Rural | 18.5 | 1,713 | 1,902 |
| Charleston County, South Carolina | Urban | 17.5 | 72,478 | 2,196 |
| Charlevoix County, Michigan | Rural | 26.2 | 6,849 | 319 |
| Charlotte County, Florida | Urban | 40.4 | 78,873 | 6 |
| Charlotte County, Virginia | Rural | 22.2 | 2,552 | 831 |
| Charlottesville City, Virginia | Urban | 13.1 | 6,002 | 2,964 |
| Charlton County, Georgia | Rural | 14.7 | 1,872 | 2,773 |
| Chase County, Kansas | Rural | 24.0 | 620 | 536 |
| Chase County, Nebraska | Rural | 23.9 | 869 | 552 |
| Chatham County, Georgia | Urban | 16.4 | 48,814 | 2,467 |
| Chatham County, North Carolina | Urban | 24.9 | 19,531 | 441 |
| Chattahoochee County, Georgia | Urban | 3.3 | 305 | 3,143 |
| Chattooga County, Georgia | Rural | 18.3 | 4,578 | 1,968 |
| Chautauqua County, Kansas | Rural | 23.9 | 806 | 552 |
| Chautauqua County, New York | Rural | 21.0 | 26,475 | 1,116 |
| Chaves County, New Mexico | Rural | 16.2 | 10,463 | 2,512 |
| Cheatham County, Tennessee | Urban | 15.7 | 6,496 | 2,609 |
| Cheboygan County, Michigan | Rural | 28.4 | 7,327 | 174 |
| Chelan County, Washington | Urban | 20.5 | 16,291 | 1,272 |
| Chemung County, New York | Urban | 19.9 | 16,496 | 1,472 |
| Chenango County, New York | Rural | 21.7 | 10,119 | 953 |
| Cherokee County, Alabama | Rural | 23.8 | 6,003 | 569 |
| Cherokee County, Georgia | Urban | 15.4 | 42,215 | 2,662 |
| Cherokee County, Iowa | Rural | 24.6 | 2,845 | 468 |
| Cherokee County, Kansas | Urban | 19.7 | 3,781 | 1,544 |
| Cherokee County, North Carolina | Rural | 31.3 | 9,128 | 81 |
| Cherokee County, Oklahoma | Rural | 17.5 | 8,335 | 2,196 |
| Cherokee County, South Carolina | Rural | 17.1 | 9,630 | 2,293 |
| Cherokee County, Texas | Rural | 18.0 | 9,195 | 2,064 |
| Cherry County, Nebraska | Rural | 22.0 | 1,202 | 877 |
| Chesapeake City, Virginia | Urban | 14.1 | 35,362 | 2,857 |
| Cheshire County, New Hampshire | Rural | 21.6 | 16,642 | 984 |
| Chester County, Pennsylvania | Urban | 17.3 | 93,642 | 2,252 |
| Chester County, South Carolina | Urban | 18.9 | 6,079 | 1,772 |
| Chester County, Tennessee | Urban | 17.7 | 3,090 | 2,153 |
| Chesterfield County, South Carolina | Rural | 18.9 | 8,253 | 1,772 |
| Chesterfield County, Virginia | Urban | 15.7 | 58,394 | 2,609 |
| Cheyenne County, Colorado | Rural | 19.9 | 344 | 1,472 |
| Cheyenne County, Kansas | Rural | 25.5 | 670 | 382 |
| Cheyenne County, Nebraska | Rural | 21.4 | 2,025 | 1,021 |
| Chickasaw County, Iowa | Rural | 22.1 | 2,620 | 847 |
| Chickasaw County, Mississippi | Rural | 18.4 | 3,128 | 1,938 |
| Chicot County, Arkansas | Rural | 21.7 | 2,166 | 953 |
| Childress County, Texas | Rural | 16.6 | 1,121 | 2,426 |
| Chilton County, Alabama | Urban | 16.9 | 7,686 | 2,348 |
| Chippewa County, Michigan | Rural | 19.1 | 6,972 | 1,716 |
| Chippewa County, Minnesota | Rural | 21.4 | 2,651 | 1,021 |
| Chippewa County, Wisconsin | Urban | 19.1 | 12,741 | 1,716 |
| Chisago County, Minnesota | Urban | 16.6 | 9,516 | 2,426 |
| Chittenden County, Vermont | Urban | 16.3 | 27,558 | 2,495 |
| Choctaw County, Alabama | Rural | 23.8 | 2,982 | 569 |
| Choctaw County, Mississippi | Rural | 22.9 | 1,868 | 717 |
| Choctaw County, Oklahoma | Rural | 20.7 | 2,963 | 1,214 |
| Chouteau County, Montana | Rural | 22.5 | 1,323 | 783 |
| Chowan County, North Carolina | Rural | 27.3 | 3,770 | 233 |
| Christian County, Illinois | Rural | 19.7 | 6,631 | 1,544 |
| Christian County, Kentucky | Urban | 12.6 | 9,124 | 3,010 |
| Christian County, Missouri | Urban | 16.3 | 14,875 | 2,495 |
| Churchill County, Nevada | Rural | 19.5 | 4,998 | 1,606 |
| Cibola County, New Mexico | Rural | 17.5 | 4,745 | 2,196 |
| Cimarron County, Oklahoma | Rural | 25.1 | 563 | 418 |
| Citrus County, Florida | Urban | 36.3 | 57,659 | 19 |
| Clackamas County, Oregon | Urban | 19.3 | 81,683 | 1,663 |
| Claiborne County, Mississippi | Rural | 18.9 | 1,688 | 1,772 |
| Claiborne County, Tennessee | Rural | 19.8 | 6,384 | 1,519 |
| Claiborne Parish, Louisiana | Rural | 21.3 | 2,991 | 1,047 |
| Clallam County, Washington | Rural | 31.5 | 24,426 | 78 |
| Clare County, Michigan | Rural | 24.7 | 7,692 | 456 |
| Clarendon County, South Carolina | Rural | 24.4 | 7,574 | 494 |
| Clarion County, Pennsylvania | Rural | 20.2 | 7,530 | 1,354 |
| Clark County, Arkansas | Rural | 16.2 | 3,470 | 2,512 |
| Clark County, Idaho | Rural | 13.1 | 102 | 2,964 |
| Clark County, Illinois | Rural | 19.7 | 3,018 | 1,544 |
| Clark County, Indiana | Urban | 16.5 | 20,241 | 2,445 |
| Clark County, Kansas | Rural | 23.8 | 472 | 569 |
| Clark County, Kentucky | Urban | 18.2 | 6,722 | 2,001 |
| Clark County, Missouri | Rural | 21.0 | 1,401 | 1,116 |
| Clark County, Nevada | Urban | 15.6 | 357,352 | 2,625 |
| Clark County, Ohio | Urban | 20.0 | 27,115 | 1,434 |
| Clark County, South Dakota | Rural | 23.4 | 906 | 635 |
| Clark County, Washington | Urban | 16.3 | 83,012 | 2,495 |
| Clark County, Wisconsin | Rural | 17.0 | 5,910 | 2,320 |
| Clarke County, Alabama | Rural | 20.6 | 4,702 | 1,240 |
| Clarke County, Georgia | Urban | 12.1 | 15,596 | 3,044 |
| Clarke County, Iowa | Rural | 19.7 | 1,909 | 1,544 |
| Clarke County, Mississippi | Rural | 21.7 | 3,352 | 953 |
| Clarke County, Virginia | Urban | 21.8 | 3,285 | 928 |
| Clatsop County, Oregon | Rural | 24.3 | 10,046 | 508 |
| Clay County, Alabama | Rural | 20.5 | 2,910 | 1,272 |
| Clay County, Arkansas | Rural | 21.8 | 3,139 | 928 |
| Clay County, Florida | Urban | 16.8 | 37,541 | 2,373 |
| Clay County, Georgia | Rural | 31.3 | 893 | 81 |
| Clay County, Illinois | Rural | 20.8 | 2,738 | 1,178 |
| Clay County, Indiana | Urban | 18.5 | 4,894 | 1,902 |
| Clay County, Iowa | Rural | 21.9 | 3,600 | 902 |
| Clay County, Kansas | Rural | 24.6 | 1,985 | 468 |
| Clay County, Kentucky | Rural | 15.7 | 3,155 | 2,609 |
| Clay County, Minnesota | Urban | 13.9 | 9,095 | 2,876 |
| Clay County, Mississippi | Rural | 19.4 | 3,582 | 1,636 |
| Clay County, Missouri | Urban | 14.9 | 38,061 | 2,744 |
| Clay County, Nebraska | Rural | 20.6 | 1,252 | 1,240 |
| Clay County, North Carolina | Rural | 32.3 | 3,679 | 59 |
| Clay County, South Dakota | Rural | 12.2 | 1,843 | 3,036 |
| Clay County, Tennessee | Rural | 25.0 | 1,907 | 424 |
| Clay County, Texas | Urban | 22.7 | 2,361 | 747 |
| Clay County, West Virginia | Urban | 21.7 | 1,727 | 953 |
| Clayton County, Georgia | Urban | 10.3 | 30,683 | 3,104 |
| Clayton County, Iowa | Rural | 24.3 | 4,156 | 508 |
| Clear Creek County, Colorado | Urban | 22.1 | 2,071 | 847 |
| Clearfield County, Pennsylvania | Rural | 21.5 | 16,990 | 1,005 |
| Clearwater County, Idaho | Rural | 28.5 | 2,544 | 169 |
| Clearwater County, Minnesota | Rural | 20.9 | 1,794 | 1,146 |
| Cleburne County, Alabama | Rural | 20.4 | 3,117 | 1,300 |
| Cleburne County, Arkansas | Rural | 27.3 | 6,829 | 233 |
| Clermont County, Ohio | Urban | 17.9 | 37,474 | 2,093 |
| Cleveland County, Arkansas | Rural | 20.9 | 1,567 | 1,146 |
| Cleveland County, North Carolina | Rural | 18.7 | 18,774 | 1,845 |
| Cleveland County, Oklahoma | Urban | 14.5 | 43,014 | 2,801 |
| Clinch County, Georgia | Rural | 16.7 | 1,122 | 2,398 |
| Clinton County, Illinois | Urban | 18.1 | 6,692 | 2,034 |
| Clinton County, Indiana | Rural | 16.3 | 5,373 | 2,495 |
| Clinton County, Iowa | Rural | 20.1 | 9,301 | 1,396 |
| Clinton County, Kentucky | Rural | 20.2 | 1,863 | 1,354 |
| Clinton County, Michigan | Urban | 18.2 | 14,429 | 2,001 |
| Clinton County, Missouri | Urban | 18.4 | 3,916 | 1,938 |
| Clinton County, New York | Rural | 18.3 | 14,447 | 1,968 |
| Clinton County, Ohio | Rural | 18.1 | 7,608 | 2,034 |
| Clinton County, Pennsylvania | Rural | 19.7 | 7,414 | 1,544 |
| Cloud County, Kansas | Rural | 21.0 | 1,885 | 1,116 |
| Coahoma County, Mississippi | Rural | 16.1 | 3,360 | 2,534 |
| Coal County, Oklahoma | Rural | 21.0 | 1,107 | 1,116 |
| Cobb County, Georgia | Urban | 13.2 | 101,893 | 2,955 |
| Cochise County, Arizona | Urban | 24.2 | 30,320 | 518 |
| Cochran County, Texas | Urban | 16.8 | 423 | 2,373 |
| Cocke County, Tennessee | Rural | 21.9 | 7,981 | 902 |
| Coconino County, Arizona | Urban | 14.0 | 20,200 | 2,862 |
| Codington County, South Dakota | Rural | 19.0 | 5,430 | 1,737 |
| Coffee County, Alabama | Rural | 17.1 | 9,277 | 2,293 |
| Coffee County, Georgia | Rural | 14.6 | 6,303 | 2,792 |
| Coffee County, Tennessee | Rural | 17.5 | 10,307 | 2,196 |
| Coffey County, Kansas | Rural | 22.0 | 1,826 | 877 |
| Coke County, Texas | Rural | 27.5 | 913 | 221 |
| Colbert County, Alabama | Urban | 20.1 | 11,600 | 1,396 |
| Cole County, Missouri | Urban | 17.5 | 13,493 | 2,196 |
| Coleman County, Texas | Rural | 26.2 | 2,038 | 319 |
| Coles County, Illinois | Rural | 18.1 | 8,444 | 2,034 |
| Colfax County, Nebraska | Rural | 13.5 | 1,422 | 2,918 |
| Colfax County, New Mexico | Rural | 28.4 | 3,505 | 174 |
| Colleton County, South Carolina | Rural | 20.1 | 7,771 | 1,396 |
| Collier County, Florida | Urban | 33.6 | 130,092 | 42 |
| Collin County, Texas | Urban | 11.4 | 127,014 | 3,074 |
| Collingsworth County, Texas | Rural | 21.5 | 587 | 1,005 |
| Colonial Heights City, Virginia | Urban | 18.3 | 3,334 | 1,968 |
| Colorado County, Texas | Rural | 22.8 | 4,732 | 726 |
| Colquitt County, Georgia | Rural | 15.4 | 7,092 | 2,662 |
| Columbia County, Arkansas | Rural | 17.3 | 3,899 | 2,252 |
| Columbia County, Florida | Rural | 20.0 | 14,143 | 1,434 |
| Columbia County, Georgia | Urban | 14.7 | 23,470 | 2,773 |
| Columbia County, New York | Rural | 25.4 | 15,568 | 390 |
| Columbia County, Oregon | Urban | 19.6 | 10,440 | 1,573 |
| Columbia County, Pennsylvania | Rural | 20.2 | 13,158 | 1,354 |
| Columbia County, Washington | Rural | 29.7 | 1,185 | 120 |
| Columbia County, Wisconsin | Urban | 19.1 | 11,146 | 1,716 |
| Columbiana County, Ohio | Rural | 21.4 | 21,671 | 1,021 |
| Columbus County, North Carolina | Rural | 20.4 | 10,310 | 1,300 |
| Colusa County, California | Rural | 15.3 | 3,355 | 2,688 |
| Comal County, Texas | Urban | 18.6 | 32,385 | 1,871 |
| Comanche County, Kansas | Rural | 28.9 | 487 | 146 |
| Comanche County, Oklahoma | Urban | 13.4 | 16,288 | 2,930 |
| Comanche County, Texas | Rural | 23.7 | 3,263 | 583 |
| Concho County, Texas | Rural | 19.9 | 656 | 1,472 |
| Concordia Parish, Louisiana | Rural | 18.9 | 3,468 | 1,772 |
| Conecuh County, Alabama | Rural | 24.3 | 2,774 | 508 |
| Conejos County, Colorado | Rural | 20.4 | 1,538 | 1,300 |
| Contra Costa County, California | Urban | 16.7 | 193,816 | 2,398 |
| Converse County, Wyoming | Rural | 18.0 | 2,475 | 2,064 |
| Conway County, Arkansas | Rural | 19.6 | 4,092 | 1,573 |
| Cook County, Georgia | Rural | 16.1 | 2,803 | 2,534 |
| Cook County, Illinois | Urban | 15.5 | 806,307 | 2,640 |
| Cook County, Minnesota | Rural | 30.2 | 1,701 | 113 |
| Cooke County, Texas | Rural | 18.6 | 7,897 | 1,871 |
| Cooper County, Missouri | Urban | 19.1 | 3,217 | 1,716 |
| Coos County, New Hampshire | Rural | 25.2 | 7,915 | 409 |
| Coos County, Oregon | Rural | 27.4 | 17,750 | 226 |
| Coosa County, Alabama | Rural | 24.8 | 2,558 | 448 |
| Copiah County, Mississippi | Urban | 18.5 | 5,184 | 1,902 |
| Corson County, South Dakota | Rural | 12.9 | 497 | 2,983 |
| Cortland County, New York | Rural | 16.7 | 7,769 | 2,398 |
| Coryell County, Texas | Urban | 11.0 | 9,221 | 3,088 |
| Coshocton County, Ohio | Rural | 19.7 | 7,218 | 1,544 |
| Costilla County, Colorado | Rural | 27.5 | 981 | 221 |
| Cottle County, Texas | Rural | 26.0 | 339 | 333 |
| Cotton County, Oklahoma | Urban | 19.0 | 1,042 | 1,737 |
| Cottonwood County, Minnesota | Rural | 22.6 | 2,585 | 764 |
| Covington City, Virginia | Rural | 19.4 | 1,103 | 1,636 |
| Covington County, Alabama | Rural | 21.9 | 8,248 | 902 |
| Covington County, Mississippi | Rural | 17.6 | 3,211 | 2,177 |
| Coweta County, Georgia | Urban | 14.7 | 22,114 | 2,773 |
| Cowley County, Kansas | Rural | 18.8 | 6,469 | 1,812 |
| Cowlitz County, Washington | Urban | 19.5 | 21,762 | 1,606 |
| Craig County, Oklahoma | Rural | 19.0 | 2,701 | 1,737 |
| Craig County, Virginia | Urban | 19.2 | 939 | 1,694 |
| Craighead County, Arkansas | Urban | 13.7 | 15,391 | 2,891 |
| Crane County, Texas | Rural | 15.0 | 694 | 2,726 |
| Craven County, North Carolina | Rural | 20.5 | 20,675 | 1,272 |
| Crawford County, Arkansas | Urban | 17.5 | 10,623 | 2,196 |
| Crawford County, Georgia | Urban | 19.9 | 2,429 | 1,472 |
| Crawford County, Illinois | Rural | 19.5 | 3,625 | 1,606 |
| Crawford County, Indiana | Rural | 20.7 | 2,175 | 1,214 |
| Crawford County, Iowa | Rural | 18.1 | 2,951 | 2,034 |
| Crawford County, Kansas | Rural | 15.6 | 6,080 | 2,625 |
| Crawford County, Michigan | Rural | 26.6 | 3,526 | 285 |
| Crawford County, Missouri | Rural | 20.7 | 4,745 | 1,214 |
| Crawford County, Ohio | Rural | 20.8 | 8,696 | 1,178 |
| Crawford County, Pennsylvania | Rural | 22.1 | 18,403 | 847 |
| Crawford County, Wisconsin | Rural | 24.8 | 3,982 | 448 |
| Creek County, Oklahoma | Urban | 18.3 | 13,232 | 1,968 |
| Crenshaw County, Alabama | Rural | 19.9 | 2,618 | 1,472 |
| Crisp County, Georgia | Rural | 19.4 | 3,873 | 1,636 |
| Crittenden County, Arkansas | Urban | 14.8 | 7,061 | 2,760 |
| Crittenden County, Kentucky | Rural | 20.8 | 1,868 | 1,178 |
| Crockett County, Tennessee | Urban | 19.1 | 2,666 | 1,716 |
| Crockett County, Texas | Rural | 21.6 | 622 | 984 |
| Crook County, Oregon | Urban | 25.1 | 6,437 | 418 |
| Crook County, Wyoming | Rural | 22.3 | 1,634 | 817 |
| Crosby County, Texas | Urban | 19.1 | 969 | 1,716 |
| Cross County, Arkansas | Rural | 18.6 | 3,097 | 1,871 |
| Crow Wing County, Minnesota | Rural | 23.8 | 16,004 | 569 |
| Crowley County, Colorado | Rural | 14.0 | 805 | 2,862 |
| Culberson County, Texas | Rural | 26.7 | 583 | 278 |
| Cullman County, Alabama | Rural | 18.9 | 16,944 | 1,772 |
| Culpeper County, Virginia | Urban | 16.6 | 8,874 | 2,426 |
| Cumberland County, Illinois | Rural | 20.3 | 2,108 | 1,328 |
| Cumberland County, Kentucky | Rural | 22.2 | 1,322 | 831 |
| Cumberland County, Maine | Urban | 19.8 | 60,648 | 1,519 |
| Cumberland County, New Jersey | Urban | 15.6 | 23,806 | 2,625 |
| Cumberland County, North Carolina | Urban | 12.7 | 42,744 | 3,000 |
| Cumberland County, Pennsylvania | Urban | 18.8 | 49,724 | 1,812 |
| Cumberland County, Tennessee | Rural | 31.8 | 19,892 | 69 |
| Cumberland County, Virginia | Rural | 23.3 | 2,267 | 653 |
| Cuming County, Nebraska | Rural | 21.3 | 1,910 | 1,047 |
| Currituck County, North Carolina | Urban | 17.2 | 5,106 | 2,277 |
| Curry County, New Mexico | Rural | 12.8 | 6,158 | 2,991 |
| Curry County, Oregon | Rural | 35.6 | 8,345 | 27 |
| Custer County, Colorado | Rural | 30.4 | 1,541 | 104 |
| Custer County, Idaho | Rural | 36.1 | 1,594 | 23 |
| Custer County, Montana | Rural | 20.4 | 2,434 | 1,300 |
| Custer County, Nebraska | Rural | 22.3 | 2,347 | 817 |
| Custer County, Oklahoma | Rural | 14.3 | 4,039 | 2,833 |
| Custer County, South Dakota | Urban | 32.5 | 2,827 | 56 |
| Cuyahoga County, Ohio | Urban | 19.0 | 237,668 | 1,737 |
| Dade County, Georgia | Urban | 20.4 | 3,305 | 1,300 |
| Dade County, Missouri | Rural | 24.5 | 1,865 | 482 |
| Daggett County, Utah | Rural | 18.1 | 135 | 2,034 |
| Dakota County, Minnesota | Urban | 15.4 | 67,915 | 2,662 |
| Dakota County, Nebraska | Urban | 13.0 | 2,767 | 2,976 |
| Dale County, Alabama | Rural | 18.0 | 8,892 | 2,064 |
| Dallam County, Texas | Rural | 9.6 | 689 | 3,120 |
| Dallas County, Alabama | Rural | 19.8 | 7,423 | 1,519 |
| Dallas County, Arkansas | Rural | 25.0 | 1,586 | 424 |
| Dallas County, Iowa | Urban | 12.5 | 13,004 | 3,019 |
| Dallas County, Missouri | Urban | 20.8 | 3,605 | 1,178 |
| Dallas County, Texas | Urban | 11.5 | 298,992 | 3,068 |
| Dane County, Wisconsin | Urban | 14.7 | 83,030 | 2,773 |
| Daniels County, Montana | Rural | 28.9 | 441 | 146 |
| Danville City, Virginia | Rural | 20.9 | 8,842 | 1,146 |
| Dare County, North Carolina | Rural | 24.3 | 9,108 | 508 |
| Darke County, Ohio | Rural | 20.2 | 10,429 | 1,354 |
| Darlington County, South Carolina | Urban | 19.5 | 12,227 | 1,606 |
| Dauphin County, Pennsylvania | Urban | 17.7 | 50,889 | 2,153 |
| Davidson County, North Carolina | Urban | 18.6 | 31,840 | 1,871 |
| Davidson County, Tennessee | Urban | 12.7 | 90,153 | 3,000 |
| Davie County, North Carolina | Urban | 21.8 | 9,470 | 928 |
| Daviess County, Indiana | Rural | 15.8 | 5,295 | 2,586 |
| Daviess County, Kentucky | Urban | 17.4 | 17,915 | 2,221 |
| Daviess County, Missouri | Rural | 21.2 | 1,793 | 1,070 |
| Davis County, Iowa | Rural | 17.8 | 1,624 | 2,122 |
| Davis County, Utah | Urban | 10.7 | 39,394 | 3,096 |
| Davison County, South Dakota | Rural | 20.3 | 4,044 | 1,328 |
| Dawes County, Nebraska | Rural | 19.4 | 1,594 | 1,636 |
| Dawson County, Georgia | Urban | 19.5 | 5,601 | 1,606 |
| Dawson County, Montana | Rural | 20.7 | 1,833 | 1,214 |
| Dawson County, Nebraska | Rural | 16.4 | 3,944 | 2,467 |
| Dawson County, Texas | Rural | 13.5 | 1,663 | 2,918 |
| Day County, South Dakota | Rural | 26.3 | 1,435 | 312 |
| De Soto Parish, Louisiana | Urban | 18.5 | 4,983 | 1,902 |
| De Witt County, Illinois | Rural | 20.0 | 3,097 | 1,434 |
| DeBaca County, New Mexico | Rural | 23.9 | 378 | 552 |
| DeKalb County, Alabama | Rural | 17.4 | 12,507 | 2,221 |
| DeKalb County, Georgia | Urban | 13.3 | 101,452 | 2,940 |
| DeKalb County, Illinois | Urban | 13.6 | 13,696 | 2,906 |
| DeKalb County, Indiana | Rural | 17.0 | 7,411 | 2,320 |
| DeKalb County, Missouri | Urban | 18.7 | 2,092 | 1,845 |
| DeKalb County, Tennessee | Rural | 18.8 | 3,865 | 1,812 |
| DeSoto County, Florida | Rural | 23.8 | 8,254 | 569 |
| DeSoto County, Mississippi | Urban | 13.3 | 25,074 | 2,940 |
| DeWitt County, Texas | Rural | 19.9 | 3,953 | 1,472 |
| Deaf Smith County, Texas | Rural | 13.3 | 2,461 | 2,940 |
| Dearborn County, Indiana | Urban | 18.7 | 9,487 | 1,845 |
| Decatur County, Georgia | Rural | 16.8 | 4,894 | 2,373 |
| Decatur County, Indiana | Rural | 17.7 | 4,670 | 2,153 |
| Decatur County, Iowa | Rural | 20.9 | 1,599 | 1,146 |
| Decatur County, Kansas | Rural | 29.3 | 804 | 133 |
| Decatur County, Tennessee | Rural | 23.7 | 2,723 | 583 |
| Deer Lodge County, Montana | Rural | 25.5 | 2,422 | 382 |
| Defiance County, Ohio | Rural | 19.5 | 7,461 | 1,606 |
| Del Norte County, California | Rural | 19.8 | 5,392 | 1,519 |
| Delaware County, Indiana | Urban | 17.4 | 19,495 | 2,221 |
| Delaware County, Iowa | Rural | 20.9 | 3,674 | 1,146 |
| Delaware County, New York | Rural | 25.7 | 11,442 | 359 |
| Delaware County, Ohio | Urban | 14.7 | 32,507 | 2,773 |
| Delaware County, Oklahoma | Rural | 25.3 | 10,357 | 399 |
| Delaware County, Pennsylvania | Urban | 17.0 | 98,090 | 2,320 |
| Delta County, Colorado | Rural | 27.8 | 8,701 | 200 |
| Delta County, Michigan | Rural | 25.6 | 9,421 | 369 |
| Delta County, Texas | Rural | 20.5 | 1,097 | 1,272 |
| Denali, Alaska | Rural | 13.6 | 276 | 2,906 |
| Dent County, Missouri | Rural | 21.8 | 3,159 | 928 |
| Denton County, Texas | Urban | 11.2 | 106,051 | 3,081 |
| Denver County, Colorado | Urban | 12.3 | 87,660 | 3,031 |
| Des Moines County, Iowa | Rural | 21.1 | 8,144 | 1,091 |
| Deschutes County, Oregon | Urban | 20.8 | 42,327 | 1,178 |
| Desha County, Arkansas | Rural | 19.6 | 2,169 | 1,573 |
| Deuel County, Nebraska | Rural | 26.4 | 492 | 304 |
| Deuel County, South Dakota | Rural | 21.9 | 946 | 902 |
| Dewey County, Oklahoma | Rural | 19.0 | 842 | 1,737 |
| Dewey County, South Dakota | Rural | 9.9 | 518 | 3,110 |
| Dickens County, Texas | Rural | 24.4 | 401 | 494 |
| Dickenson County, Virginia | Rural | 24.2 | 3,372 | 518 |
| Dickey County, North Dakota | Rural | 19.6 | 972 | 1,573 |
| Dickinson County, Iowa | Rural | 27.6 | 4,921 | 212 |
| Dickinson County, Kansas | Rural | 20.7 | 3,810 | 1,214 |
| Dickinson County, Michigan | Rural | 23.7 | 6,138 | 583 |
| Dickson County, Tennessee | Urban | 16.6 | 9,182 | 2,426 |
| Dillingham Census Area, Alaska | Rural | 12.4 | 594 | 3,027 |
| Dillon County, South Carolina | Rural | 17.3 | 4,852 | 2,252 |
| Dimmit County, Texas | Rural | 16.6 | 1,409 | 2,426 |
| Dinwiddie County, Virginia | Urban | 18.7 | 5,262 | 1,845 |
| District of Columbia | Urban | 12.7 | 85,501 | 3,000 |
| Divide County, North Dakota | Rural | 24.6 | 534 | 468 |
| Dixie County, Florida | Rural | 23.6 | 4,007 | 597 |
| Dixon County, Nebraska | Rural | 21.2 | 1,179 | 1,070 |
| Doddridge County, West Virginia | Rural | 21.1 | 1,640 | 1,091 |
| Dodge County, Georgia | Rural | 19.2 | 3,819 | 1,694 |
| Dodge County, Minnesota | Urban | 15.3 | 3,214 | 2,688 |
| Dodge County, Nebraska | Rural | 19.0 | 7,067 | 1,737 |
| Dodge County, Wisconsin | Rural | 18.5 | 16,398 | 1,902 |
| Dolores County, Colorado | Rural | 37.2 | 888 | 15 |
| Dona Ana County, New Mexico | Urban | 16.8 | 37,154 | 2,373 |
| Doniphan County, Kansas | Urban | 19.4 | 1,457 | 1,636 |
| Donley County, Texas | Rural | 26.9 | 882 | 263 |
| Dooly County, Georgia | Rural | 22.0 | 2,424 | 877 |
| Door County, Wisconsin | Rural | 31.5 | 9,539 | 78 |
| Dorchester County, Maryland | Rural | 22.5 | 7,354 | 783 |
| Dorchester County, South Carolina | Urban | 14.8 | 24,347 | 2,760 |
| Dougherty County, Georgia | Urban | 17.0 | 14,255 | 2,320 |
| Douglas County, Colorado | Urban | 13.4 | 49,324 | 2,930 |
| Douglas County, Georgia | Urban | 12.0 | 17,466 | 3,049 |
| Douglas County, Illinois | Rural | 18.5 | 3,643 | 1,902 |
| Douglas County, Kansas | Urban | 13.3 | 15,927 | 2,940 |
| Douglas County, Minnesota | Rural | 23.9 | 9,400 | 552 |
| Douglas County, Missouri | Rural | 25.0 | 2,957 | 424 |
| Douglas County, Nebraska | Urban | 13.8 | 80,517 | 2,885 |
| Douglas County, Nevada | Rural | 31.6 | 15,664 | 74 |
| Douglas County, Oregon | Rural | 26.2 | 29,330 | 319 |
| Douglas County, South Dakota | Rural | 23.4 | 661 | 635 |
| Douglas County, Washington | Urban | 18.0 | 7,882 | 2,064 |
| Douglas County, Wisconsin | Urban | 20.1 | 8,863 | 1,396 |
| Drew County, Arkansas | Rural | 17.9 | 3,077 | 2,093 |
| DuPage County, Illinois | Urban | 16.8 | 156,135 | 2,373 |
| Dubois County, Indiana | Rural | 18.1 | 7,875 | 2,034 |
| Dubuque County, Iowa | Urban | 18.8 | 18,570 | 1,812 |
| Duchesne County, Utah | Rural | 12.8 | 2,543 | 2,991 |
| Dukes County, Massachusetts | Rural | 26.0 | 5,387 | 333 |
| Dundy County, Nebraska | Rural | 24.7 | 448 | 456 |
| Dunklin County, Missouri | Rural | 18.5 | 5,138 | 1,902 |
| Dunn County, North Dakota | Rural | 18.6 | 754 | 1,871 |
| Dunn County, Wisconsin | Rural | 16.4 | 7,428 | 2,467 |
| Duplin County, North Carolina | Rural | 19.7 | 9,639 | 1,544 |
| Durham County, North Carolina | Urban | 14.0 | 46,239 | 2,862 |
| Dutchess County, New York | Urban | 18.6 | 55,363 | 1,871 |
| Duval County, Florida | Urban | 15.0 | 150,870 | 2,726 |
| Duval County, Texas | Rural | 15.6 | 1,533 | 2,625 |
| Dyer County, Tennessee | Rural | 17.5 | 6,429 | 2,196 |
| Eagle County, Colorado | Rural | 14.3 | 7,912 | 2,833 |
| Early County, Georgia | Rural | 19.3 | 2,067 | 1,663 |
| East Baton Rouge Parish, Louisiana | Urban | 14.9 | 67,353 | 2,744 |
| East Carroll Parish, Louisiana | Rural | 18.0 | 1,292 | 2,064 |
| East Feliciana Parish, Louisiana | Urban | 19.6 | 3,798 | 1,573 |
| Eastland County, Texas | Rural | 21.9 | 3,910 | 902 |
| Eaton County, Michigan | Urban | 19.6 | 21,352 | 1,573 |
| Eau Claire County, Wisconsin | Urban | 16.6 | 17,634 | 2,426 |
| Echols County, Georgia | Urban | 12.6 | 468 | 3,010 |
| Ector County, Texas | Urban | 9.8 | 16,038 | 3,113 |
| Eddy County, New Mexico | Rural | 14.6 | 8,934 | 2,792 |
| Eddy County, North Dakota | Rural | 26.8 | 622 | 272 |
| Edgar County, Illinois | Rural | 24.0 | 3,985 | 536 |
| Edgecombe County, North Carolina | Urban | 20.5 | 9,982 | 1,272 |
| Edgefield County, South Carolina | Urban | 19.6 | 5,192 | 1,573 |
| Edmonson County, Kentucky | Urban | 21.5 | 2,627 | 1,005 |
| Edmunds County, South Dakota | Rural | 22.4 | 904 | 800 |
| Edwards County, Illinois | Rural | 22.1 | 1,355 | 847 |
| Edwards County, Kansas | Rural | 22.3 | 627 | 817 |
| Edwards County, Texas | Rural | 22.6 | 315 | 764 |
| Effingham County, Georgia | Urban | 12.2 | 8,239 | 3,036 |
| Effingham County, Illinois | Rural | 18.3 | 6,331 | 1,968 |
| El Dorado County, California | Urban | 22.8 | 43,808 | 726 |
| El Paso County, Colorado | Urban | 13.7 | 100,642 | 2,891 |
| El Paso County, Texas | Urban | 12.8 | 111,186 | 2,991 |
| Elbert County, Colorado | Urban | 18.1 | 4,920 | 2,034 |
| Elbert County, Georgia | Rural | 21.2 | 4,185 | 1,070 |
| Elk County, Kansas | Rural | 28.2 | 694 | 185 |
| Elk County, Pennsylvania | Rural | 23.4 | 7,188 | 635 |
| Elkhart County, Indiana | Urban | 15.2 | 31,377 | 2,701 |
| Elko County, Nevada | Rural | 12.7 | 6,850 | 3,000 |
| Elliott County, Kentucky | Rural | 21.6 | 1,582 | 984 |
| Ellis County, Kansas | Rural | 15.5 | 4,479 | 2,640 |
| Ellis County, Oklahoma | Rural | 23.4 | 869 | 635 |
| Ellis County, Texas | Urban | 12.9 | 26,397 | 2,983 |
| Ellsworth County, Kansas | Rural | 23.7 | 1,511 | 583 |
| Elmore County, Alabama | Urban | 16.1 | 14,244 | 2,534 |
| Elmore County, Idaho | Rural | 14.2 | 4,120 | 2,846 |
| Emanuel County, Georgia | Rural | 16.1 | 3,698 | 2,534 |
| Emery County, Utah | Rural | 18.0 | 1,791 | 2,064 |
| Emmet County, Iowa | Rural | 23.5 | 2,192 | 617 |
| Emmet County, Michigan | Rural | 24.2 | 8,276 | 518 |
| Emmons County, North Dakota | Rural | 28.8 | 943 | 156 |
| Emporia City, Virginia | Rural | 18.4 | 1,036 | 1,938 |
| Erath County, Texas | Rural | 14.5 | 6,292 | 2,801 |
| Erie County, New York | Urban | 18.8 | 178,676 | 1,812 |
| Erie County, Ohio | Urban | 23.0 | 17,265 | 701 |
| Erie County, Pennsylvania | Urban | 19.2 | 51,792 | 1,694 |
| Escambia County, Alabama | Rural | 18.8 | 6,914 | 1,812 |
| Escambia County, Florida | Urban | 17.7 | 57,060 | 2,153 |
| Esmeralda County, Nevada | Rural | 26.5 | 255 | 296 |
| Essex County, Massachusetts | Urban | 18.0 | 145,373 | 2,064 |
| Essex County, New Jersey | Urban | 14.0 | 119,383 | 2,862 |
| Essex County, New York | Rural | 25.7 | 9,525 | 359 |
| Essex County, Vermont | Rural | 26.7 | 1,594 | 278 |
| Essex County, Virginia | Rural | 23.6 | 2,507 | 597 |
| Estill County, Kentucky | Rural | 19.4 | 2,734 | 1,636 |
| Etowah County, Alabama | Urban | 19.5 | 20,119 | 1,606 |
| Eureka County, Nevada | Rural | 23.1 | 384 | 686 |
| Evangeline Parish, Louisiana | Rural | 15.7 | 5,048 | 2,609 |
| Evans County, Georgia | Rural | 17.2 | 1,846 | 2,277 |
| Fairbanks North Star, Alaska | Urban | 12.2 | 11,685 | 3,036 |
| Fairfax City, Virginia | Urban | 14.3 | 3,495 | 2,833 |
| Fairfax County, Virginia | Urban | 14.5 | 166,297 | 2,801 |
| Fairfield County, Connecticut | Urban | 16.7 | 160,339 | 2,398 |
| Fairfield County, Ohio | Urban | 16.4 | 26,447 | 2,467 |
| Fairfield County, South Carolina | Urban | 23.1 | 4,788 | 686 |
| Fall River County, South Dakota | Rural | 30.9 | 2,220 | 94 |
| Fallon County, Montana | Rural | 20.2 | 570 | 1,354 |
| Falls Church City, Virginia | Urban | 14.7 | 2,146 | 2,773 |
| Falls County, Texas | Urban | 19.4 | 3,315 | 1,636 |
| Fannin County, Georgia | Rural | 30.4 | 7,779 | 104 |
| Fannin County, Texas | Rural | 17.8 | 6,502 | 2,122 |
| Faribault County, Minnesota | Rural | 23.2 | 3,225 | 668 |
| Faulk County, South Dakota | Rural | 24.4 | 522 | 494 |
| Faulkner County, Arkansas | Urban | 13.4 | 16,924 | 2,930 |
| Fauquier County, Virginia | Urban | 16.7 | 12,345 | 2,398 |
| Fayette County, Alabama | Rural | 21.6 | 3,495 | 984 |
| Fayette County, Georgia | Urban | 19.5 | 23,556 | 1,606 |
| Fayette County, Illinois | Rural | 19.2 | 4,109 | 1,694 |
| Fayette County, Indiana | Rural | 20.5 | 4,806 | 1,272 |
| Fayette County, Iowa | Rural | 22.1 | 4,291 | 847 |
| Fayette County, Kentucky | Urban | 14.4 | 46,194 | 2,816 |
| Fayette County, Ohio | Rural | 17.9 | 5,175 | 2,093 |
| Fayette County, Pennsylvania | Urban | 22.2 | 28,146 | 831 |
| Fayette County, Tennessee | Urban | 22.4 | 9,544 | 800 |
| Fayette County, Texas | Rural | 26.3 | 6,519 | 312 |
| Fayette County, West Virginia | Urban | 22.3 | 8,912 | 817 |
| Fentress County, Tennessee | Rural | 23.0 | 4,366 | 701 |
| Fergus County, Montana | Rural | 24.7 | 2,857 | 456 |
| Ferry County, Washington | Rural | 30.2 | 2,209 | 113 |
| Fillmore County, Minnesota | Urban | 21.8 | 4,644 | 928 |
| Fillmore County, Nebraska | Rural | 23.8 | 1,319 | 569 |
| Finney County, Kansas | Rural | 11.5 | 4,379 | 3,068 |
| Fisher County, Texas | Rural | 21.6 | 792 | 984 |
| Flagler County, Florida | Urban | 31.1 | 37,833 | 86 |
| Flathead County, Montana | Rural | 20.8 | 22,519 | 1,178 |
| Fleming County, Kentucky | Rural | 18.5 | 2,816 | 1,902 |
| Florence County, South Carolina | Urban | 17.7 | 24,276 | 2,153 |
| Florence County, Wisconsin | Rural | 28.4 | 1,311 | 174 |
| Floyd County, Georgia | Urban | 16.7 | 16,517 | 2,398 |
| Floyd County, Indiana | Urban | 17.1 | 13,796 | 2,293 |
| Floyd County, Iowa | Rural | 22.7 | 3,523 | 747 |
| Floyd County, Kentucky | Rural | 19.4 | 6,874 | 1,636 |
| Floyd County, Texas | Rural | 19.2 | 1,017 | 1,694 |
| Floyd County, Virginia | Urban | 23.8 | 3,706 | 569 |
| Fluvanna County, Virginia | Urban | 20.7 | 5,761 | 1,214 |
| Foard County, Texas | Rural | 29.0 | 313 | 142 |
| Fond du Lac County, Wisconsin | Urban | 19.3 | 20,087 | 1,663 |
| Ford County, Illinois | Urban | 19.3 | 2,584 | 1,663 |
| Ford County, Kansas | Rural | 11.3 | 3,845 | 3,080 |
| Forest County, Pennsylvania | Rural | 24.0 | 1,628 | 536 |
| Forest County, Wisconsin | Rural | 25.0 | 2,316 | 424 |
| Forrest County, Mississippi | Urban | 13.6 | 10,647 | 2,906 |
| Forsyth County, Georgia | Urban | 12.5 | 32,413 | 3,019 |
| Forsyth County, North Carolina | Urban | 16.6 | 64,234 | 2,426 |
| Fort Bend County, Texas | Urban | 12.2 | 104,644 | 3,036 |
| Foster County, North Dakota | Rural | 23.1 | 778 | 686 |
| Fountain County, Indiana | Rural | 19.7 | 3,254 | 1,544 |
| Franklin City, Virginia | Rural | 19.0 | 1,562 | 1,737 |
| Franklin County, Alabama | Rural | 17.2 | 5,493 | 2,277 |
| Franklin County, Arkansas | Rural | 20.3 | 3,494 | 1,328 |
| Franklin County, Florida | Rural | 26.2 | 3,257 | 319 |
| Franklin County, Georgia | Rural | 18.6 | 4,439 | 1,871 |
| Franklin County, Idaho | Urban | 14.1 | 2,079 | 2,857 |
| Franklin County, Illinois | Rural | 20.8 | 7,799 | 1,178 |
| Franklin County, Indiana | Urban | 19.7 | 4,511 | 1,544 |
| Franklin County, Iowa | Rural | 21.4 | 2,134 | 1,021 |
| Franklin County, Kansas | Rural | 17.5 | 4,558 | 2,196 |
| Franklin County, Kentucky | Rural | 18.4 | 9,485 | 1,938 |
| Franklin County, Maine | Rural | 23.1 | 6,963 | 686 |
| Franklin County, Massachusetts | Rural | 23.9 | 16,973 | 552 |
| Franklin County, Mississippi | Rural | 21.1 | 1,613 | 1,091 |
| Franklin County, Missouri | Urban | 18.5 | 19,517 | 1,902 |
| Franklin County, Nebraska | Rural | 27.9 | 799 | 194 |
| Franklin County, New York | Rural | 18.9 | 8,902 | 1,772 |
| Franklin County, North Carolina | Urban | 17.1 | 12,276 | 2,293 |
| Franklin County, Ohio | Urban | 12.7 | 167,986 | 3,000 |
| Franklin County, Pennsylvania | Urban | 20.0 | 31,287 | 1,434 |
| Franklin County, Tennessee | Rural | 20.5 | 8,912 | 1,272 |
| Franklin County, Texas | Rural | 22.1 | 2,323 | 847 |
| Franklin County, Vermont | Urban | 17.3 | 8,697 | 2,252 |
| Franklin County, Virginia | Urban | 24.2 | 13,317 | 518 |
| Franklin County, Washington | Urban | 10.1 | 9,857 | 3,106 |
| Franklin Parish, Louisiana | Rural | 19.4 | 3,806 | 1,636 |
| Frederick County, Maryland | Urban | 15.0 | 42,039 | 2,726 |
| Frederick County, Virginia | Urban | 18.2 | 17,015 | 2,001 |
| Fredericksburg City, Virginia | Urban | 11.2 | 3,186 | 3,081 |
| Freeborn County, Minnesota | Rural | 22.8 | 7,006 | 726 |
| Freestone County, Texas | Rural | 20.0 | 3,957 | 1,434 |
| Fremont County, Colorado | Rural | 22.4 | 11,074 | 800 |
| Fremont County, Idaho | Rural | 17.8 | 2,438 | 2,122 |
| Fremont County, Iowa | Rural | 23.6 | 1,549 | 597 |
| Fremont County, Wyoming | Rural | 19.6 | 7,755 | 1,573 |
| Fresno County, California | Urban | 12.7 | 128,751 | 3,000 |
| Frio County, Texas | Rural | 12.3 | 2,221 | 3,031 |
| Frontier County, Nebraska | Rural | 25.4 | 652 | 390 |
| Fulton County, Arkansas | Rural | 25.9 | 3,174 | 342 |
| Fulton County, Georgia | Urban | 12.4 | 132,189 | 3,027 |
| Fulton County, Illinois | Rural | 21.1 | 7,011 | 1,091 |
| Fulton County, Indiana | Rural | 20.1 | 4,099 | 1,396 |
| Fulton County, Kentucky | Rural | 20.9 | 1,347 | 1,146 |
| Fulton County, New York | Rural | 20.4 | 10,746 | 1,300 |
| Fulton County, Ohio | Urban | 18.9 | 8,037 | 1,772 |
| Fulton County, Pennsylvania | Rural | 22.2 | 3,228 | 831 |
| Furnas County, Nebraska | Rural | 25.5 | 1,174 | 382 |
| Gadsden County, Florida | Urban | 19.4 | 8,485 | 1,636 |
| Gage County, Nebraska | Rural | 21.9 | 4,735 | 902 |
| Gaines County, Texas | Rural | 9.4 | 2,062 | 3,123 |
| Galax City, Virginia | Rural | 19.9 | 1,331 | 1,472 |
| Gallatin County, Illinois | Rural | 25.7 | 1,246 | 359 |
| Gallatin County, Kentucky | Urban | 15.5 | 1,356 | 2,640 |
| Gallatin County, Montana | Urban | 13.3 | 16,230 | 2,940 |
| Gallia County, Ohio | Rural | 19.4 | 5,647 | 1,636 |
| Galveston County, Texas | Urban | 15.3 | 54,316 | 2,688 |
| Garden County, Nebraska | Rural | 31.9 | 516 | 67 |
| Garfield County, Colorado | Rural | 14.2 | 8,827 | 2,846 |
| Garfield County, Montana | Rural | 27.6 | 259 | 212 |
| Garfield County, Nebraska | Rural | 27.6 | 496 | 212 |
| Garfield County, Oklahoma | Urban | 16.6 | 10,363 | 2,426 |
| Garfield County, Utah | Rural | 22.7 | 1,173 | 747 |
| Garfield County, Washington | Rural | 29.6 | 689 | 126 |
| Garland County, Arkansas | Urban | 24.3 | 24,304 | 508 |
| Garrard County, Kentucky | Rural | 18.4 | 3,188 | 1,938 |
| Garrett County, Maryland | Rural | 23.6 | 6,790 | 597 |
| Garvin County, Oklahoma | Rural | 18.0 | 4,628 | 2,064 |
| Garza County, Texas | Urban | 14.8 | 805 | 2,760 |
| Gasconade County, Missouri | Rural | 22.9 | 3,381 | 717 |
| Gaston County, North Carolina | Urban | 16.3 | 37,758 | 2,495 |
| Gates County, North Carolina | Urban | 22.0 | 2,296 | 877 |
| Geary County, Kansas | Urban | 8.7 | 3,108 | 3,131 |
| Geauga County, Ohio | Urban | 21.7 | 20,735 | 953 |
| Gem County, Idaho | Urban | 22.7 | 4,512 | 747 |
| Genesee County, Michigan | Urban | 18.3 | 74,147 | 1,968 |
| Genesee County, New York | Rural | 19.6 | 11,369 | 1,573 |
| Geneva County, Alabama | Urban | 20.4 | 5,456 | 1,300 |
| Gentry County, Missouri | Rural | 18.7 | 1,166 | 1,845 |
| George County, Mississippi | Rural | 15.2 | 3,776 | 2,701 |
| Georgetown County, South Carolina | Rural | 29.8 | 19,152 | 117 |
| Gibson County, Indiana | Rural | 17.7 | 5,850 | 2,153 |
| Gibson County, Tennessee | Urban | 17.3 | 8,767 | 2,252 |
| Gila County, Arizona | Rural | 30.4 | 16,289 | 104 |
| Gilchrist County, Florida | Urban | 20.2 | 3,737 | 1,354 |
| Giles County, Tennessee | Rural | 20.8 | 6,326 | 1,178 |
| Giles County, Virginia | Urban | 22.0 | 3,660 | 877 |
| Gillespie County, Texas | Rural | 29.7 | 8,077 | 120 |
| Gilliam County, Oregon | Rural | 31.8 | 636 | 69 |
| Gilmer County, Georgia | Rural | 26.4 | 8,427 | 304 |
| Gilmer County, West Virginia | Rural | 17.8 | 1,315 | 2,122 |
| Gilpin County, Colorado | Urban | 20.1 | 1,180 | 1,396 |
| Glacier County, Montana | Rural | 12.8 | 1,762 | 2,991 |
| Glades County, Florida | Rural | 26.6 | 3,273 | 285 |
| Gladwin County, Michigan | Rural | 26.9 | 6,868 | 263 |
| Glascock County, Georgia | Rural | 18.2 | 531 | 2,001 |
| Glasscock County, Texas | Rural | 15.4 | 165 | 2,662 |
| Glenn County, California | Rural | 16.8 | 4,822 | 2,373 |
| Gloucester County, New Jersey | Urban | 16.5 | 50,111 | 2,445 |
| Gloucester County, Virginia | Urban | 20.3 | 7,975 | 1,328 |
| Glynn County, Georgia | Urban | 22.3 | 18,923 | 817 |
| Gogebic County, Michigan | Rural | 28.8 | 4,138 | 156 |
| Golden Valley County, Montana | Rural | 28.2 | 237 | 185 |
| Golden Valley County, North Dakota | Rural | 25.3 | 424 | 399 |
| Goliad County, Texas | Urban | 24.4 | 1,733 | 494 |
| Gonzales County, Texas | Rural | 19.5 | 3,851 | 1,606 |
| Goochland County, Virginia | Urban | 23.9 | 6,115 | 552 |
| Goodhue County, Minnesota | Rural | 20.1 | 9,613 | 1,396 |
| Gooding County, Idaho | Rural | 18.2 | 2,860 | 2,001 |
| Gordon County, Georgia | Rural | 15.4 | 8,980 | 2,662 |
| Goshen County, Wyoming | Rural | 23.4 | 2,948 | 635 |
| Gosper County, Nebraska | Rural | 25.2 | 487 | 409 |
| Gove County, Kansas | Rural | 23.5 | 656 | 617 |
| Grady County, Georgia | Rural | 18.7 | 4,885 | 1,845 |
| Grady County, Oklahoma | Urban | 16.7 | 9,355 | 2,398 |
| Grafton County, New Hampshire | Rural | 22.5 | 20,645 | 783 |
| Graham County, Arizona | Rural | 14.3 | 5,546 | 2,833 |
| Graham County, Kansas | Rural | 25.9 | 622 | 342 |
| Graham County, North Carolina | Rural | 24.8 | 1,996 | 448 |
| Grainger County, Tennessee | Urban | 21.3 | 5,107 | 1,047 |
| Grand County, Colorado | Rural | 20.0 | 3,155 | 1,434 |
| Grand County, Utah | Rural | 20.2 | 1,960 | 1,354 |
| Grand Forks County, North Dakota | Urban | 14.0 | 10,195 | 2,862 |
| Grand Isle County, Vermont | Urban | 22.6 | 1,668 | 764 |
| Grand Traverse County, Michigan | Urban | 21.3 | 20,378 | 1,047 |
| Granite County, Montana | Rural | 30.9 | 1,057 | 94 |
| Grant County, Arkansas | Urban | 18.1 | 3,287 | 2,034 |
| Grant County, Indiana | Rural | 18.9 | 12,573 | 1,772 |
| Grant County, Kansas | Rural | 13.2 | 962 | 2,955 |
| Grant County, Kentucky | Urban | 14.0 | 3,540 | 2,862 |
| Grant County, Minnesota | Rural | 23.2 | 1,416 | 668 |
| Grant County, Nebraska | Rural | 20.6 | 143 | 1,240 |
| Grant County, New Mexico | Rural | 29.5 | 8,229 | 128 |
| Grant County, North Dakota | Rural | 28.9 | 657 | 146 |
| Grant County, Oklahoma | Rural | 22.6 | 933 | 764 |
| Grant County, Oregon | Rural | 31.6 | 2,290 | 74 |
| Grant County, South Dakota | Rural | 23.1 | 1,739 | 686 |
| Grant County, Washington | Rural | 14.3 | 14,393 | 2,833 |
| Grant County, West Virginia | Rural | 24.6 | 2,703 | 468 |
| Grant County, Wisconsin | Rural | 18.0 | 9,280 | 2,064 |
| Grant Parish, Louisiana | Urban | 15.4 | 3,411 | 2,662 |
| Granville County, North Carolina | Rural | 17.3 | 10,614 | 2,252 |
| Gratiot County, Michigan | Rural | 17.5 | 7,252 | 2,196 |
| Graves County, Kentucky | Rural | 18.3 | 6,709 | 1,968 |
| Gray County, Kansas | Rural | 16.0 | 913 | 2,557 |
| Gray County, Texas | Rural | 16.4 | 3,463 | 2,467 |
| Grays Harbor County, Washington | Rural | 22.8 | 17,438 | 726 |
| Grayson County, Kentucky | Rural | 17.9 | 4,770 | 2,093 |
| Grayson County, Texas | Urban | 17.9 | 25,021 | 2,093 |
| Grayson County, Virginia | Rural | 25.7 | 3,934 | 359 |
| Greeley County, Kansas | Rural | 18.6 | 241 | 1,871 |
| Greeley County, Nebraska | Rural | 25.8 | 571 | 347 |
| Green County, Kentucky | Rural | 22.3 | 2,510 | 817 |
| Green County, Wisconsin | Urban | 19.8 | 7,348 | 1,519 |
| Green Lake County, Wisconsin | Rural | 22.9 | 4,396 | 717 |
| Greenbrier County, West Virginia | Rural | 24.0 | 7,839 | 536 |
| Greene County, Alabama | Urban | 24.0 | 1,818 | 536 |
| Greene County, Arkansas | Rural | 16.2 | 7,465 | 2,512 |
| Greene County, Georgia | Rural | 30.4 | 5,952 | 104 |
| Greene County, Illinois | Rural | 20.4 | 2,410 | 1,300 |
| Greene County, Indiana | Rural | 19.9 | 6,158 | 1,472 |
| Greene County, Iowa | Rural | 24.4 | 2,132 | 494 |
| Greene County, Mississippi | Rural | 14.5 | 1,978 | 2,801 |
| Greene County, Missouri | Urban | 16.9 | 50,744 | 2,348 |
| Greene County, New York | Rural | 23.4 | 11,149 | 635 |
| Greene County, North Carolina | Rural | 16.9 | 3,460 | 2,348 |
| Greene County, Ohio | Urban | 18.2 | 30,665 | 2,001 |
| Greene County, Pennsylvania | Rural | 20.0 | 7,057 | 1,434 |
| Greene County, Tennessee | Rural | 21.8 | 15,436 | 928 |
| Greene County, Virginia | Urban | 18.7 | 3,891 | 1,845 |
| Greenlee County, Arizona | Rural | 14.0 | 1,319 | 2,862 |
| Greensville County, Virginia | Rural | 16.2 | 1,826 | 2,512 |
| Greenup County, Kentucky | Urban | 21.6 | 7,706 | 984 |
| Greenville County, South Carolina | Urban | 16.4 | 88,164 | 2,467 |
| Greenwood County, Kansas | Rural | 26.0 | 1,550 | 333 |
| Greenwood County, South Carolina | Rural | 19.1 | 13,243 | 1,716 |
| Greer County, Oklahoma | Rural | 17.4 | 957 | 2,221 |
| Gregg County, Texas | Urban | 15.8 | 19,772 | 2,586 |
| Gregory County, South Dakota | Rural | 25.8 | 1,029 | 347 |
| Grenada County, Mississippi | Rural | 18.5 | 3,947 | 1,902 |
| Griggs County, North Dakota | Rural | 28.8 | 674 | 156 |
| Grimes County, Texas | Rural | 18.5 | 5,634 | 1,902 |
| Grundy County, Illinois | Urban | 14.6 | 7,727 | 2,792 |
| Grundy County, Iowa | Urban | 20.8 | 2,568 | 1,178 |
| Grundy County, Missouri | Rural | 21.7 | 2,136 | 953 |
| Grundy County, Tennessee | Rural | 20.7 | 2,834 | 1,214 |
| Guadalupe County, New Mexico | Rural | 20.6 | 900 | 1,240 |
| Guadalupe County, Texas | Urban | 14.5 | 25,942 | 2,801 |
| Guernsey County, Ohio | Rural | 19.9 | 7,633 | 1,472 |
| Guilford County, North Carolina | Urban | 15.6 | 84,833 | 2,625 |
| Gulf County, Florida | Rural | 23.5 | 3,469 | 617 |
| Gunnison County, Colorado | Rural | 14.5 | 2,489 | 2,801 |
| Guthrie County, Iowa | Urban | 23.5 | 2,506 | 617 |
| Gwinnett County, Georgia | Urban | 10.9 | 105,476 | 3,092 |
| Haakon County, South Dakota | Rural | 28.4 | 485 | 174 |
| Habersham County, Georgia | Rural | 19.0 | 8,931 | 1,737 |
| Haines Borough, Alaska | Rural | 26.8 | 557 | 272 |
| Hale County, Alabama | Urban | 19.9 | 2,936 | 1,472 |
| Hale County, Texas | Rural | 14.0 | 4,523 | 2,862 |
| Halifax County with South Boston City, Virginia | Rural | 25.3 | 8,550 | 399 |
| Halifax County, North Carolina | Rural | 21.6 | 10,426 | 984 |
| Hall County, Georgia | Urban | 16.0 | 33,285 | 2,557 |
| Hall County, Nebraska | Urban | 15.4 | 9,636 | 2,662 |
| Hall County, Texas | Rural | 24.6 | 696 | 468 |
| Hamblen County, Tennessee | Urban | 17.9 | 11,616 | 2,093 |
| Hamilton County, Florida | Rural | 19.6 | 2,634 | 1,573 |
| Hamilton County, Illinois | Rural | 22.2 | 1,767 | 831 |
| Hamilton County, Indiana | Urban | 13.4 | 48,006 | 2,930 |
| Hamilton County, Iowa | Rural | 21.3 | 3,166 | 1,047 |
| Hamilton County, Kansas | Rural | 13.3 | 330 | 2,940 |
| Hamilton County, Nebraska | Rural | 20.5 | 1,934 | 1,272 |
| Hamilton County, New York | Rural | 32.8 | 1,671 | 53 |
| Hamilton County, Ohio | Urban | 16.2 | 134,151 | 2,512 |
| Hamilton County, Tennessee | Urban | 18.1 | 67,162 | 2,034 |
| Hamilton County, Texas | Rural | 25.0 | 2,078 | 424 |
| Hamlin County, South Dakota | Rural | 14.2 | 891 | 2,846 |
| Hampden County, Massachusetts | Urban | 17.8 | 82,518 | 2,122 |
| Hampshire County, Massachusetts | Urban | 19.3 | 30,271 | 1,663 |
| Hampshire County, West Virginia | Urban | 23.7 | 5,527 | 583 |
| Hampton City, Virginia | Urban | 16.1 | 22,122 | 2,534 |
| Hampton County, South Carolina | Rural | 18.9 | 3,505 | 1,772 |
| Hancock County, Georgia | Rural | 24.6 | 2,127 | 468 |
| Hancock County, Illinois | Rural | 23.9 | 4,167 | 552 |
| Hancock County, Indiana | Urban | 17.2 | 14,078 | 2,277 |
| Hancock County, Iowa | Rural | 23.9 | 2,559 | 552 |
| Hancock County, Kentucky | Rural | 18.0 | 1,626 | 2,064 |
| Hancock County, Maine | Rural | 26.0 | 14,563 | 333 |
| Hancock County, Mississippi | Urban | 21.9 | 10,080 | 902 |
| Hancock County, Ohio | Rural | 18.3 | 13,726 | 1,968 |
| Hancock County, Tennessee | Rural | 22.4 | 1,521 | 800 |
| Hancock County, West Virginia | Urban | 24.1 | 6,910 | 531 |
| Hand County, South Dakota | Rural | 24.7 | 751 | 456 |
| Hanover County, Virginia | Urban | 18.8 | 20,943 | 1,812 |
| Hansford County, Texas | Rural | 13.9 | 718 | 2,876 |
| Hanson County, South Dakota | Rural | 15.9 | 552 | 2,574 |
| Haralson County, Georgia | Urban | 15.8 | 4,850 | 2,586 |
| Hardee County, Florida | Rural | 16.3 | 4,157 | 2,495 |
| Hardeman County, Tennessee | Rural | 18.6 | 4,728 | 1,871 |
| Hardeman County, Texas | Rural | 21.8 | 768 | 928 |
| Hardin County, Illinois | Rural | 31.8 | 1,152 | 69 |
| Hardin County, Iowa | Rural | 23.0 | 3,854 | 701 |
| Hardin County, Kentucky | Urban | 14.8 | 16,456 | 2,760 |
| Hardin County, Ohio | Rural | 16.1 | 4,906 | 2,534 |
| Hardin County, Tennessee | Rural | 23.2 | 6,237 | 668 |
| Hardin County, Texas | Urban | 17.4 | 9,955 | 2,221 |
| Harding County, New Mexico | Rural | 27.8 | 208 | 200 |
| Harding County, South Dakota | Rural | 20.1 | 219 | 1,396 |
| Hardy County, West Virginia | Rural | 23.3 | 3,310 | 653 |
| Harford County, Maryland | Urban | 17.0 | 44,548 | 2,320 |
| Harlan County, Kentucky | Rural | 19.2 | 5,021 | 1,694 |
| Harlan County, Nebraska | Rural | 26.9 | 809 | 263 |
| Harmon County, Oklahoma | Rural | 20.2 | 496 | 1,354 |
| Harnett County, North Carolina | Rural | 13.4 | 18,300 | 2,930 |
| Harney County, Oregon | Rural | 25.7 | 1,933 | 359 |
| Harper County, Kansas | Rural | 22.1 | 1,201 | 847 |
| Harper County, Oklahoma | Rural | 20.4 | 658 | 1,300 |
| Harris County, Georgia | Urban | 18.8 | 6,680 | 1,812 |
| Harris County, Texas | Urban | 11.4 | 543,463 | 3,074 |
| Harrison County, Indiana | Urban | 18.8 | 7,460 | 1,812 |
| Harrison County, Iowa | Urban | 19.7 | 2,889 | 1,544 |
| Harrison County, Kentucky | Rural | 18.7 | 3,542 | 1,845 |
| Harrison County, Mississippi | Urban | 16.1 | 33,787 | 2,534 |
| Harrison County, Missouri | Rural | 22.3 | 1,826 | 817 |
| Harrison County, Ohio | Rural | 22.5 | 3,245 | 783 |
| Harrison County, Texas | Urban | 17.2 | 11,934 | 2,277 |
| Harrison County, West Virginia | Rural | 20.0 | 13,084 | 1,434 |
| Harrisonburg City, Virginia | Urban | 10.1 | 5,189 | 3,106 |
| Hart County, Georgia | Rural | 22.5 | 5,947 | 783 |
| Hart County, Kentucky | Rural | 17.1 | 3,329 | 2,293 |
| Hartford County, Connecticut | Urban | 17.5 | 156,768 | 2,196 |
| Hartley County, Texas | Rural | 16.5 | 877 | 2,445 |
| Harvey County, Kansas | Urban | 20.9 | 7,056 | 1,146 |
| Haskell County, Kansas | Rural | 15.8 | 582 | 2,586 |
| Haskell County, Oklahoma | Rural | 20.3 | 2,365 | 1,328 |
| Haskell County, Texas | Rural | 23.0 | 1,240 | 701 |
| Hawaii County, Hawaii | Rural | 23.2 | 47,167 | 668 |
| Hawkins County, Tennessee | Urban | 21.6 | 12,436 | 984 |
| Hayes County, Nebraska | Rural | 25.9 | 221 | 342 |
| Hays County, Texas | Urban | 11.9 | 30,511 | 3,053 |
| Haywood County, North Carolina | Rural | 25.4 | 15,827 | 390 |
| Haywood County, Tennessee | Rural | 20.2 | 3,577 | 1,354 |
| Heard County, Georgia | Urban | 17.4 | 2,026 | 2,221 |
| Hemphill County, Texas | Rural | 19.2 | 635 | 1,694 |
| Hempstead County, Arkansas | Rural | 18.7 | 3,692 | 1,845 |
| Henderson County, Illinois | Rural | 26.7 | 1,678 | 278 |
| Henderson County, Kentucky | Rural | 18.8 | 8,359 | 1,812 |
| Henderson County, North Carolina | Urban | 26.0 | 30,552 | 333 |
| Henderson County, Tennessee | Rural | 18.3 | 5,118 | 1,968 |
| Henderson County, Texas | Rural | 22.4 | 18,727 | 800 |
| Hendricks County, Indiana | Urban | 14.7 | 26,406 | 2,773 |
| Hendry County, Florida | Rural | 13.6 | 5,540 | 2,906 |
| Hennepin County, Minnesota | Urban | 15.1 | 191,812 | 2,713 |
| Henrico County, Virginia | Urban | 16.5 | 55,311 | 2,445 |
| Henry County, Alabama | Urban | 23.3 | 4,073 | 653 |
| Henry County, Georgia | Urban | 12.2 | 29,993 | 3,036 |
| Henry County, Illinois | Urban | 21.2 | 10,364 | 1,070 |
| Henry County, Indiana | Rural | 19.2 | 9,393 | 1,694 |
| Henry County, Iowa | Rural | 19.4 | 3,924 | 1,636 |
| Henry County, Kentucky | Urban | 18.0 | 2,845 | 2,064 |
| Henry County, Missouri | Rural | 22.3 | 4,942 | 817 |
| Henry County, Ohio | Rural | 19.5 | 5,378 | 1,606 |
| Henry County, Tennessee | Rural | 23.5 | 7,601 | 617 |
| Henry County, Virginia | Rural | 24.4 | 12,296 | 494 |
| Herkimer County, New York | Urban | 21.6 | 12,945 | 984 |
| Hernando County, Florida | Urban | 26.6 | 53,527 | 285 |
| Hertford County, North Carolina | Rural | 21.3 | 4,366 | 1,047 |
| Hettinger County, North Dakota | Rural | 26.2 | 643 | 319 |
| Hickman County, Kentucky | Rural | 25.8 | 1,152 | 347 |
| Hickman County, Tennessee | Urban | 17.9 | 4,510 | 2,093 |
| Hickory County, Missouri | Rural | 32.4 | 2,756 | 57 |
| Hidalgo County, New Mexico | Rural | 22.4 | 917 | 800 |
| Hidalgo County, Texas | Urban | 11.5 | 101,496 | 3,068 |
| Highland County, Ohio | Rural | 18.6 | 8,085 | 1,871 |
| Highland County, Virginia | Rural | 34.3 | 776 | 33 |
| Highlands County, Florida | Urban | 35.9 | 37,300 | 25 |
| Hill County, Montana | Rural | 15.9 | 2,592 | 2,574 |
| Hill County, Texas | Rural | 20.3 | 7,442 | 1,328 |
| Hillsborough County, Florida | Urban | 14.8 | 221,121 | 2,760 |
| Hillsborough County, New Hampshire | Urban | 16.7 | 71,059 | 2,398 |
| Hillsdale County, Michigan | Rural | 20.8 | 9,483 | 1,178 |
| Hinds County, Mississippi | Urban | 15.7 | 34,982 | 2,609 |
| Hinsdale County, Colorado | Rural | 34.4 | 323 | 32 |
| Hitchcock County, Nebraska | Rural | 26.1 | 678 | 326 |
| Hocking County, Ohio | Urban | 19.5 | 5,460 | 1,606 |
| Hockley County, Texas | Urban | 15.2 | 3,263 | 2,701 |
| Hodgeman County, Kansas | Rural | 20.9 | 351 | 1,146 |
| Hoke County, North Carolina | Urban | 11.4 | 6,054 | 3,074 |
| Holmes County, Florida | Rural | 20.2 | 3,966 | 1,354 |
| Holmes County, Mississippi | Urban | 16.2 | 2,668 | 2,512 |
| Holmes County, Ohio | Rural | 14.2 | 6,313 | 2,846 |
| Holt County, Missouri | Rural | 25.8 | 1,098 | 347 |
| Holt County, Nebraska | Rural | 22.5 | 2,266 | 783 |
| Honolulu County, Hawaii | Urban | 19.1 | 191,464 | 1,716 |
| Hood County, Texas | Rural | 25.4 | 16,302 | 390 |
| Hood River County, Oregon | Rural | 17.7 | 4,248 | 2,153 |
| Hooker County, Nebraska | Rural | 27.6 | 169 | 212 |
| Hoonah-Angoon Census Area, Alaska | Rural | 27.4 | 633 | 226 |
| Hopewell City, Virginia | Urban | 15.0 | 3,437 | 2,726 |
| Hopkins County, Kentucky | Rural | 18.9 | 8,525 | 1,772 |
| Hopkins County, Texas | Rural | 18.4 | 6,858 | 1,938 |
| Horry County, South Carolina | Urban | 25.7 | 94,867 | 359 |
| Hot Spring County, Arkansas | Rural | 19.7 | 6,541 | 1,544 |
| Hot Springs County, Wyoming | Rural | 26.6 | 1,230 | 285 |
| Houghton County, Michigan | Rural | 17.7 | 6,637 | 2,153 |
| Houston County, Alabama | Urban | 18.4 | 19,789 | 1,938 |
| Houston County, Georgia | Urban | 13.4 | 22,354 | 2,930 |
| Houston County, Minnesota | Urban | 23.2 | 4,350 | 668 |
| Houston County, Tennessee | Rural | 20.0 | 1,660 | 1,434 |
| Houston County, Texas | Rural | 21.9 | 4,825 | 902 |
| Howard County, Arkansas | Rural | 18.3 | 2,330 | 1,968 |
| Howard County, Indiana | Urban | 19.6 | 16,356 | 1,573 |
| Howard County, Iowa | Rural | 20.4 | 1,928 | 1,300 |
| Howard County, Maryland | Urban | 14.8 | 49,360 | 2,760 |
| Howard County, Missouri | Urban | 19.9 | 2,019 | 1,472 |
| Howard County, Nebraska | Urban | 22.2 | 1,440 | 831 |
| Howard County, Texas | Rural | 13.1 | 4,329 | 2,964 |
| Howell County, Missouri | Rural | 19.9 | 7,977 | 1,472 |
| Hubbard County, Minnesota | Rural | 26.1 | 5,673 | 326 |
| Hudson County, New Jersey | Urban | 12.4 | 88,417 | 3,027 |
| Hudspeth County, Texas | Urban | 11.1 | 370 | 3,086 |
| Huerfano County, Colorado | Rural | 34.0 | 2,360 | 35 |
| Hughes County, Oklahoma | Rural | 18.7 | 2,506 | 1,845 |
| Hughes County, South Dakota | Rural | 17.6 | 3,118 | 2,177 |
| Humboldt County, California | Rural | 19.3 | 26,082 | 1,663 |
| Humboldt County, Iowa | Rural | 21.4 | 2,050 | 1,021 |
| Humboldt County, Nevada | Rural | 16.1 | 2,780 | 2,534 |
| Humphreys County, Mississippi | Rural | 18.4 | 1,393 | 1,938 |
| Humphreys County, Tennessee | Rural | 20.6 | 3,933 | 1,240 |
| Hunt County, Texas | Urban | 15.6 | 16,382 | 2,625 |
| Hunterdon County, New Jersey | Urban | 20.1 | 26,073 | 1,396 |
| Huntingdon County, Pennsylvania | Rural | 21.5 | 9,446 | 1,005 |
| Huntington County, Indiana | Rural | 18.2 | 6,688 | 2,001 |
| Huron County, Michigan | Rural | 26.6 | 8,316 | 285 |
| Huron County, Ohio | Rural | 18.2 | 10,623 | 2,001 |
| Hutchinson County, South Dakota | Rural | 21.7 | 1,605 | 953 |
| Hutchinson County, Texas | Rural | 17.4 | 3,549 | 2,221 |
| Hyde County, North Carolina | Rural | 22.8 | 1,054 | 726 |
| Hyde County, South Dakota | Rural | 26.5 | 346 | 296 |
| Iberia Parish, Louisiana | Rural | 16.1 | 11,164 | 2,534 |
| Iberville Parish, Louisiana | Urban | 17.3 | 5,184 | 2,252 |
| Ida County, Iowa | Rural | 22.1 | 1,536 | 847 |
| Idaho County, Idaho | Rural | 28.6 | 4,895 | 166 |
| Imperial County, California | Urban | 13.5 | 24,119 | 2,918 |
| Independence County, Arkansas | Rural | 17.5 | 6,672 | 2,196 |
| Indian River County, Florida | Urban | 34.2 | 56,023 | 34 |
| Indiana County, Pennsylvania | Rural | 20.0 | 16,682 | 1,434 |
| Ingham County, Michigan | Urban | 14.6 | 41,092 | 2,792 |
| Inyo County, California | Rural | 24.4 | 4,594 | 494 |
| Ionia County, Michigan | Urban | 15.4 | 10,299 | 2,662 |
| Iosco County, Michigan | Rural | 30.4 | 7,712 | 104 |
| Iowa County, Iowa | Rural | 19.5 | 3,228 | 1,606 |
| Iowa County, Wisconsin | Urban | 19.9 | 4,738 | 1,472 |
| Iredell County, North Carolina | Urban | 16.4 | 31,545 | 2,467 |
| Irion County, Texas | Urban | 21.7 | 311 | 953 |
| Iron County, Michigan | Rural | 30.9 | 3,603 | 94 |
| Iron County, Missouri | Rural | 22.4 | 2,123 | 800 |
| Iron County, Utah | Rural | 13.4 | 8,059 | 2,930 |
| Iron County, Wisconsin | Rural | 32.0 | 1,975 | 66 |
| Iroquois County, Illinois | Rural | 22.2 | 5,939 | 831 |
| Irwin County, Georgia | Rural | 17.4 | 1,635 | 2,221 |
| Isabella County, Michigan | Rural | 13.7 | 8,818 | 2,891 |
| Isanti County, Minnesota | Urban | 16.8 | 7,057 | 2,373 |
| Island County, Washington | Rural | 26.1 | 22,640 | 326 |
| Isle of Wight County, Virginia | Urban | 19.6 | 7,745 | 1,573 |
| Issaquena County, Mississippi | Rural | 19.5 | 213 | 1,606 |
| Itasca County, Minnesota | Rural | 25.2 | 11,374 | 409 |
| Itawamba County, Mississippi | Rural | 17.7 | 4,236 | 2,153 |
| Izard County, Arkansas | Rural | 25.0 | 3,473 | 424 |
| Jack County, Texas | Rural | 17.4 | 1,504 | 2,221 |
| Jackson County, Alabama | Rural | 20.8 | 11,004 | 1,178 |
| Jackson County, Arkansas | Rural | 17.9 | 3,001 | 2,093 |
| Jackson County, Colorado | Rural | 32.7 | 465 | 54 |
| Jackson County, Florida | Rural | 20.9 | 9,961 | 1,146 |
| Jackson County, Georgia | Rural | 14.5 | 11,691 | 2,801 |
| Jackson County, Illinois | Rural | 16.3 | 8,577 | 2,495 |
| Jackson County, Indiana | Rural | 16.0 | 7,425 | 2,557 |
| Jackson County, Iowa | Rural | 21.7 | 4,219 | 953 |
| Jackson County, Kansas | Urban | 19.6 | 2,600 | 1,573 |
| Jackson County, Kentucky | Rural | 17.9 | 2,331 | 2,093 |
| Jackson County, Michigan | Urban | 18.6 | 29,730 | 1,871 |
| Jackson County, Minnesota | Rural | 23.0 | 2,290 | 701 |
| Jackson County, Mississippi | Urban | 16.9 | 24,349 | 2,348 |
| Jackson County, Missouri | Urban | 15.5 | 111,391 | 2,640 |
| Jackson County, North Carolina | Rural | 20.4 | 8,799 | 1,300 |
| Jackson County, Ohio | Rural | 17.8 | 5,796 | 2,122 |
| Jackson County, Oklahoma | Rural | 15.4 | 3,818 | 2,662 |
| Jackson County, Oregon | Urban | 22.9 | 51,035 | 717 |
| Jackson County, South Dakota | Rural | 12.5 | 353 | 3,019 |
| Jackson County, Tennessee | Rural | 23.2 | 2,761 | 668 |
| Jackson County, Texas | Rural | 19.7 | 2,971 | 1,544 |
| Jackson County, West Virginia | Rural | 21.0 | 5,821 | 1,116 |
| Jackson County, Wisconsin | Rural | 19.9 | 4,174 | 1,472 |
| Jackson Parish, Louisiana | Rural | 20.6 | 3,071 | 1,240 |
| James City County, Virginia | Urban | 26.4 | 21,103 | 304 |
| Jasper County, Georgia | Urban | 17.5 | 2,691 | 2,196 |
| Jasper County, Illinois | Rural | 20.5 | 1,892 | 1,272 |
| Jasper County, Indiana | Urban | 18.2 | 6,055 | 2,001 |
| Jasper County, Iowa | Urban | 19.4 | 7,329 | 1,636 |
| Jasper County, Mississippi | Rural | 21.3 | 3,445 | 1,047 |
| Jasper County, Missouri | Urban | 15.8 | 19,570 | 2,586 |
| Jasper County, South Carolina | Urban | 22.0 | 6,731 | 877 |
| Jasper County, Texas | Rural | 20.7 | 6,790 | 1,214 |
| Jay County, Indiana | Rural | 18.1 | 3,677 | 2,034 |
| Jeff Davis County, Georgia | Rural | 15.6 | 2,308 | 2,625 |
| Jeff Davis County, Texas | Rural | 39.1 | 680 | 9 |
| Jefferson County, Alabama | Urban | 16.5 | 110,182 | 2,445 |
| Jefferson County, Arkansas | Rural | 18.1 | 11,935 | 2,034 |
| Jefferson County, Colorado | Urban | 17.4 | 101,082 | 2,221 |
| Jefferson County, Florida | Urban | 24.5 | 3,605 | 482 |
| Jefferson County, Georgia | Rural | 18.6 | 2,873 | 1,871 |
| Jefferson County, Idaho | Urban | 11.5 | 3,717 | 3,068 |
| Jefferson County, Illinois | Rural | 19.7 | 7,261 | 1,544 |
| Jefferson County, Indiana | Rural | 18.8 | 6,203 | 1,812 |
| Jefferson County, Iowa | Rural | 25.7 | 4,033 | 359 |
| Jefferson County, Kansas | Urban | 19.4 | 3,564 | 1,636 |
| Jefferson County, Kentucky | Urban | 16.9 | 131,237 | 2,348 |
| Jefferson County, Mississippi | Rural | 19.3 | 1,379 | 1,663 |
| Jefferson County, Missouri | Urban | 16.1 | 36,770 | 2,534 |
| Jefferson County, Montana | Urban | 22.8 | 2,848 | 726 |
| Jefferson County, Nebraska | Rural | 24.7 | 1,765 | 456 |
| Jefferson County, New York | Urban | 14.6 | 16,998 | 2,792 |
| Jefferson County, Ohio | Urban | 22.1 | 14,341 | 847 |
| Jefferson County, Oklahoma | Rural | 20.8 | 1,120 | 1,178 |
| Jefferson County, Oregon | Urban | 19.8 | 4,935 | 1,519 |
| Jefferson County, Pennsylvania | Rural | 21.7 | 9,570 | 953 |
| Jefferson County, Tennessee | Urban | 20.3 | 11,318 | 1,328 |
| Jefferson County, Texas | Urban | 15.1 | 38,422 | 2,713 |
| Jefferson County, Washington | Rural | 39.6 | 13,181 | 8 |
| Jefferson County, West Virginia | Urban | 17.0 | 9,931 | 2,320 |
| Jefferson County, Wisconsin | Rural | 18.0 | 15,436 | 2,064 |
| Jefferson Davis County, Mississippi | Rural | 23.9 | 2,676 | 552 |
| Jefferson Davis Parish, Louisiana | Urban | 16.5 | 5,300 | 2,445 |
| Jefferson Parish, Louisiana | Urban | 18.1 | 78,367 | 2,034 |
| Jenkins County, Georgia | Rural | 20.8 | 1,802 | 1,178 |
| Jennings County, Indiana | Rural | 16.9 | 4,659 | 2,348 |
| Jerauld County, South Dakota | Rural | 29.1 | 537 | 138 |
| Jerome County, Idaho | Urban | 13.3 | 3,303 | 2,940 |
| Jersey County, Illinois | Urban | 20.1 | 4,289 | 1,396 |
| Jessamine County, Kentucky | Urban | 15.9 | 8,563 | 2,574 |
| Jewell County, Kansas | Rural | 30.6 | 890 | 100 |
| Jim Hogg County, Texas | Rural | 8.4 | 405 | 3,132 |
| Jim Wells County, Texas | Rural | 15.8 | 6,147 | 2,586 |
| Jo Daviess County, Illinois | Rural | 29.1 | 6,385 | 138 |
| Johnson County, Arkansas | Rural | 16.8 | 4,357 | 2,373 |
| Johnson County, Georgia | Rural | 20.0 | 1,834 | 1,434 |
| Johnson County, Illinois | Rural | 20.4 | 2,725 | 1,300 |
| Johnson County, Indiana | Urban | 15.4 | 25,273 | 2,662 |
| Johnson County, Iowa | Urban | 12.9 | 19,951 | 2,983 |
| Johnson County, Kansas | Urban | 15.5 | 95,268 | 2,640 |
| Johnson County, Kentucky | Rural | 18.7 | 4,211 | 1,845 |
| Johnson County, Missouri | Rural | 12.9 | 7,013 | 2,983 |
| Johnson County, Nebraska | Rural | 18.4 | 970 | 1,938 |
| Johnson County, Tennessee | Rural | 23.3 | 4,212 | 653 |
| Johnson County, Texas | Urban | 14.0 | 26,499 | 2,862 |
| Johnson County, Wyoming | Rural | 26.7 | 2,293 | 278 |
| Johnston County, North Carolina | Urban | 13.5 | 30,615 | 2,918 |
| Johnston County, Oklahoma | Rural | 18.5 | 1,912 | 1,902 |
| Jones County, Georgia | Urban | 18.1 | 5,163 | 2,034 |
| Jones County, Iowa | Urban | 21.1 | 4,384 | 1,091 |
| Jones County, Mississippi | Rural | 17.4 | 11,600 | 2,221 |
| Jones County, North Carolina | Rural | 23.8 | 2,202 | 569 |
| Jones County, South Dakota | Rural | 21.7 | 223 | 953 |
| Jones County, Texas | Urban | 15.9 | 3,169 | 2,574 |
| Josephine County, Oregon | Urban | 26.8 | 23,599 | 272 |
| Juab County, Utah | Urban | 12.6 | 1,541 | 3,010 |
| Judith Basin County, Montana | Rural | 28.3 | 582 | 182 |
| Juneau Borough, Alaska | Rural | 15.1 | 4,840 | 2,713 |
| Juneau County, Wisconsin | Rural | 21.4 | 5,703 | 1,021 |
| Juniata County, Pennsylvania | Rural | 20.9 | 4,904 | 1,146 |
| Kalamazoo County, Michigan | Urban | 15.8 | 41,295 | 2,586 |
| Kalawao County, Hawaii | Urban | 25.6 | 11 | 369 |
| Kalkaska County, Michigan | Urban | 21.2 | 3,846 | 1,070 |
| Kanabec County, Minnesota | Rural | 21.4 | 3,482 | 1,021 |
| Kanawha County, West Virginia | Urban | 21.7 | 38,593 | 953 |
| Kandiyohi County, Minnesota | Rural | 20.0 | 8,737 | 1,434 |
| Kane County, Illinois | Urban | 15.0 | 77,378 | 2,726 |
| Kane County, Utah | Rural | 24.0 | 1,921 | 536 |
| Kankakee County, Illinois | Urban | 17.5 | 18,645 | 2,196 |
| Karnes County, Texas | Rural | 14.9 | 2,206 | 2,744 |
| Kauai County, Hawaii | Rural | 21.8 | 16,018 | 928 |
| Kaufman County, Texas | Urban | 10.9 | 17,500 | 3,092 |
| Kay County, Oklahoma | Rural | 19.2 | 8,384 | 1,694 |
| Kearney County, Nebraska | Rural | 20.1 | 1,344 | 1,396 |
| Kearny County, Kansas | Rural | 16.5 | 645 | 2,445 |
| Keith County, Nebraska | Rural | 27.6 | 2,272 | 212 |
| Kemper County, Mississippi | Rural | 21.4 | 1,894 | 1,021 |
| Kenai Peninsula Borough, Alaska | Rural | 19.3 | 11,578 | 1,663 |
| Kendall County, Illinois | Urban | 11.0 | 14,917 | 3,088 |
| Kendall County, Texas | Urban | 19.9 | 9,348 | 1,472 |
| Kenedy County, Texas | Rural | 50.0 | 26 | 3 |
| Kennebec County, Maine | Rural | 20.8 | 26,116 | 1,178 |
| Kenosha County, Wisconsin | Urban | 15.3 | 25,740 | 2,688 |
| Kent County, Delaware | Urban | 17.9 | 33,044 | 2,093 |
| Kent County, Maryland | Rural | 26.9 | 5,178 | 263 |
| Kent County, Michigan | Urban | 14.5 | 95,484 | 2,801 |
| Kent County, Rhode Island | Urban | 19.9 | 33,989 | 1,472 |
| Kent County, Texas | Rural | 33.3 | 242 | 46 |
| Kenton County, Kentucky | Urban | 15.4 | 26,080 | 2,662 |
| Keokuk County, Iowa | Rural | 21.9 | 2,183 | 902 |
| Kern County, California | Urban | 11.6 | 105,653 | 3,062 |
| Kerr County, Texas | Rural | 28.6 | 15,227 | 166 |
| Kershaw County, South Carolina | Urban | 18.9 | 12,641 | 1,772 |
| Ketchikan Gateway Borough, Alaska | Rural | 17.3 | 2,398 | 2,252 |
| Kewaunee County, Wisconsin | Urban | 21.5 | 4,441 | 1,005 |
| Keweenaw County, Michigan | Rural | 36.0 | 758 | 24 |
| Keya Paha County, Nebraska | Rural | 24.8 | 233 | 448 |
| Kidder County, North Dakota | Rural | 26.9 | 639 | 263 |
| Kimball County, Nebraska | Rural | 27.2 | 912 | 239 |
| Kimble County, Texas | Rural | 31.4 | 1,369 | 80 |
| King County, Texas | Rural | 22.8 | 43 | 726 |
| King County, Washington | Urban | 13.8 | 311,368 | 2,885 |
| King George County, Virginia | Rural | 13.9 | 3,822 | 2,876 |
| King William County, Virginia | Urban | 16.5 | 3,010 | 2,445 |
| King and Queen County, Virginia | Urban | 23.6 | 1,576 | 597 |
| Kingfisher County, Oklahoma | Rural | 17.0 | 2,592 | 2,320 |
| Kingman County, Kansas | Rural | 19.7 | 1,436 | 1,544 |
| Kings County, California | Urban | 10.6 | 16,221 | 3,100 |
| Kings County, New York | Urban | 15.0 | 396,070 | 2,726 |
| Kingsbury County, South Dakota | Rural | 23.0 | 1,196 | 701 |
| Kinney County, Texas | Rural | 26.4 | 828 | 304 |
| Kiowa County, Colorado | Rural | 21.7 | 294 | 953 |
| Kiowa County, Kansas | Rural | 22.3 | 541 | 817 |
| Kiowa County, Oklahoma | Rural | 20.9 | 1,766 | 1,146 |
| Kit Carson County, Colorado | Rural | 19.9 | 1,394 | 1,472 |
| Kitsap County, Washington | Urban | 19.1 | 52,865 | 1,716 |
| Kittitas County, Washington | Rural | 17.2 | 7,691 | 2,277 |
| Kittson County, Minnesota | Rural | 26.4 | 1,098 | 304 |
| Klamath County, Oregon | Rural | 22.1 | 15,411 | 847 |
| Kleberg County, Texas | Rural | 13.2 | 4,044 | 2,955 |
| Klickitat County, Washington | Rural | 24.9 | 5,748 | 441 |
| Knott County, Kentucky | Rural | 20.1 | 2,821 | 1,396 |
| Knox County, Illinois | Rural | 22.1 | 10,918 | 847 |
| Knox County, Indiana | Rural | 18.4 | 6,649 | 1,938 |
| Knox County, Kentucky | Rural | 17.3 | 5,198 | 2,252 |
| Knox County, Maine | Rural | 27.1 | 11,072 | 246 |
| Knox County, Missouri | Rural | 21.0 | 790 | 1,116 |
| Knox County, Nebraska | Rural | 25.4 | 2,123 | 390 |
| Knox County, Ohio | Rural | 18.7 | 11,750 | 1,845 |
| Knox County, Tennessee | Urban | 16.1 | 78,379 | 2,534 |
| Knox County, Texas | Rural | 18.6 | 619 | 1,871 |
| Kodiak Island Borough, Alaska | Rural | 12.6 | 1,622 | 3,010 |
| Koochiching County, Minnesota | Rural | 27.6 | 3,299 | 212 |
| Kootenai County, Idaho | Urban | 19.7 | 35,003 | 1,544 |
| Kosciusko County, Indiana | Rural | 17.5 | 14,087 | 2,196 |
| Kossuth County, Iowa | Rural | 25.0 | 3,647 | 424 |
| Kusilvak Census Area, Alaska | Rural | 6.4 | 531 | 3,140 |
| La Crosse County, Wisconsin | Urban | 17.4 | 20,969 | 2,221 |
| La Paz County, Arizona | Rural | 42.2 | 7,012 | 5 |
| La Plata County, Colorado | Rural | 20.0 | 11,192 | 1,434 |
| La Salle County, Illinois | Rural | 19.4 | 21,208 | 1,636 |
| La Salle County, Texas | Rural | 21.9 | 1,520 | 902 |
| La Salle Parish, Louisiana | Rural | 15.5 | 2,301 | 2,640 |
| LaFourche Parish, Louisiana | Urban | 16.2 | 15,662 | 2,512 |
| LaGrange County, Indiana | Rural | 14.2 | 5,761 | 2,846 |
| LaMoure County, North Dakota | Rural | 26.9 | 1,106 | 263 |
| LaPorte County, Indiana | Urban | 18.9 | 21,223 | 1,772 |
| Labette County, Kansas | Rural | 20.1 | 4,002 | 1,396 |
| Lac qui Parle County, Minnesota | Rural | 27.2 | 1,820 | 239 |
| Lackawanna County, Pennsylvania | Urban | 20.3 | 43,716 | 1,328 |
| Laclede County, Missouri | Rural | 18.0 | 6,510 | 2,064 |
| Lafayette County, Arkansas | Rural | 25.4 | 1,576 | 390 |
| Lafayette County, Florida | Rural | 20.1 | 1,612 | 1,396 |
| Lafayette County, Mississippi | Rural | 13.3 | 7,543 | 2,940 |
| Lafayette County, Missouri | Urban | 18.9 | 6,240 | 1,772 |
| Lafayette County, Wisconsin | Rural | 19.8 | 3,322 | 1,519 |
| Lafayette Parish, Louisiana | Urban | 14.3 | 35,109 | 2,833 |
| Lake County, California | Rural | 23.6 | 16,105 | 597 |
| Lake County, Colorado | Rural | 13.2 | 975 | 2,955 |
| Lake County, Florida | Urban | 26.6 | 106,155 | 285 |
| Lake County, Illinois | Urban | 15.3 | 108,824 | 2,688 |
| Lake County, Indiana | Urban | 17.4 | 86,949 | 2,221 |
| Lake County, Michigan | Rural | 26.6 | 3,292 | 285 |
| Lake County, Minnesota | Rural | 27.4 | 2,989 | 226 |
| Lake County, Montana | Rural | 23.6 | 7,564 | 597 |
| Lake County, Ohio | Urban | 21.1 | 48,896 | 1,091 |
| Lake County, Oregon | Rural | 24.8 | 2,051 | 448 |
| Lake County, South Dakota | Rural | 23.6 | 2,603 | 597 |
| Lake County, Tennessee | Rural | 15.8 | 1,059 | 2,586 |
| Lake and Peninsula Borough, Alaska | Rural | 10.0 | 101 | 3,108 |
| Lake of the Woods County, Minnesota | Rural | 25.6 | 971 | 369 |
| Lamar County, Alabama | Rural | 22.2 | 3,063 | 831 |
| Lamar County, Georgia | Rural | 17.0 | 3,247 | 2,320 |
| Lamar County, Mississippi | Urban | 14.7 | 9,562 | 2,773 |
| Lamar County, Texas | Rural | 19.3 | 9,748 | 1,663 |
| Lamb County, Texas | Rural | 16.9 | 2,184 | 2,348 |
| Lamoille County, Vermont | Rural | 18.2 | 4,728 | 2,001 |
| Lampasas County, Texas | Urban | 20.5 | 4,559 | 1,272 |
| Lancaster County, Nebraska | Urban | 14.9 | 48,205 | 2,744 |
| Lancaster County, Pennsylvania | Urban | 19.2 | 106,580 | 1,694 |
| Lancaster County, South Carolina | Urban | 21.5 | 21,699 | 1,005 |
| Lancaster County, Virginia | Rural | 40.0 | 4,349 | 7 |
| Lander County, Nevada | Rural | 13.2 | 758 | 2,955 |
| Lane County, Kansas | Rural | 23.6 | 354 | 597 |
| Lane County, Oregon | Urban | 20.5 | 78,251 | 1,272 |
| Langlade County, Wisconsin | Rural | 25.1 | 4,886 | 418 |
| Lanier County, Georgia | Urban | 14.5 | 1,465 | 2,801 |
| Lapeer County, Michigan | Urban | 19.5 | 17,339 | 1,606 |
| Laramie County, Wyoming | Urban | 16.9 | 17,006 | 2,348 |
| Larimer County, Colorado | Urban | 16.9 | 61,264 | 2,348 |
| Larue County, Kentucky | Urban | 17.7 | 2,655 | 2,153 |
| Las Animas County, Colorado | Rural | 25.6 | 3,683 | 369 |
| Lassen County, California | Rural | 16.0 | 4,977 | 2,557 |
| Latah County, Idaho | Rural | 14.5 | 5,834 | 2,801 |
| Latimer County, Oklahoma | Rural | 21.3 | 2,025 | 1,047 |
| Lauderdale County, Alabama | Urban | 20.2 | 19,172 | 1,354 |
| Lauderdale County, Mississippi | Rural | 18.2 | 13,121 | 2,001 |
| Lauderdale County, Tennessee | Rural | 16.3 | 4,058 | 2,495 |
| Laurel County, Kentucky | Rural | 16.8 | 10,511 | 2,373 |
| Laurens County, Georgia | Rural | 18.1 | 8,992 | 2,034 |
| Laurens County, South Carolina | Urban | 18.9 | 12,803 | 1,772 |
| Lavaca County, Texas | Rural | 23.5 | 4,817 | 617 |
| Lawrence County, Alabama | Urban | 18.8 | 6,228 | 1,812 |
| Lawrence County, Arkansas | Rural | 18.9 | 3,079 | 1,772 |
| Lawrence County, Illinois | Rural | 18.2 | 2,756 | 2,001 |
| Lawrence County, Indiana | Rural | 20.0 | 9,036 | 1,434 |
| Lawrence County, Kentucky | Urban | 19.8 | 3,195 | 1,519 |
| Lawrence County, Mississippi | Rural | 18.1 | 2,146 | 2,034 |
| Lawrence County, Missouri | Rural | 18.1 | 6,946 | 2,034 |
| Lawrence County, Ohio | Urban | 18.8 | 10,804 | 1,812 |
| Lawrence County, Pennsylvania | Urban | 23.0 | 19,608 | 701 |
| Lawrence County, South Dakota | Rural | 24.1 | 6,413 | 531 |
| Lawrence County, Tennessee | Rural | 17.7 | 7,941 | 2,153 |
| Le Flore County, Oklahoma | Rural | 17.8 | 8,679 | 2,122 |
| Le Sueur County, Minnesota | Urban | 18.4 | 5,313 | 1,938 |
| Lea County, New Mexico | Rural | 11.2 | 8,214 | 3,081 |
| Leake County, Mississippi | Rural | 18.0 | 3,823 | 2,064 |
| Leavenworth County, Kansas | Urban | 15.5 | 12,813 | 2,640 |
| Lebanon County, Pennsylvania | Urban | 20.1 | 28,915 | 1,396 |
| Lee County, Alabama | Urban | 12.9 | 22,970 | 2,983 |
| Lee County, Arkansas | Rural | 20.0 | 1,703 | 1,434 |
| Lee County, Florida | Urban | 28.9 | 229,480 | 146 |
| Lee County, Georgia | Urban | 13.7 | 4,577 | 2,891 |
| Lee County, Illinois | Rural | 20.7 | 7,053 | 1,214 |
| Lee County, Iowa | Rural | 21.7 | 7,208 | 953 |
| Lee County, Kentucky | Rural | 19.1 | 1,407 | 1,716 |
| Lee County, Mississippi | Rural | 15.4 | 12,772 | 2,662 |
| Lee County, North Carolina | Rural | 16.9 | 10,897 | 2,348 |
| Lee County, South Carolina | Rural | 20.1 | 3,282 | 1,396 |
| Lee County, Texas | Rural | 20.8 | 3,685 | 1,178 |
| Lee County, Virginia | Rural | 22.6 | 4,977 | 764 |
| Leelanau County, Michigan | Urban | 33.0 | 7,462 | 50 |
| Leflore County, Mississippi | Rural | 15.1 | 4,135 | 2,713 |
| Lehigh County, Pennsylvania | Urban | 17.3 | 65,126 | 2,252 |
| Lemhi County, Idaho | Rural | 30.4 | 2,485 | 104 |
| Lenawee County, Michigan | Rural | 19.9 | 19,659 | 1,472 |
| Lenoir County, North Carolina | Rural | 21.1 | 11,576 | 1,091 |
| Leon County, Florida | Urban | 14.4 | 42,546 | 2,816 |
| Leon County, Texas | Rural | 23.7 | 3,812 | 583 |
| Leslie County, Kentucky | Rural | 18.9 | 1,935 | 1,772 |
| Letcher County, Kentucky | Rural | 20.6 | 4,346 | 1,240 |
| Levy County, Florida | Urban | 25.0 | 11,059 | 424 |
| Lewis County, Idaho | Rural | 27.8 | 1,014 | 200 |
| Lewis County, Kentucky | Rural | 19.1 | 2,492 | 1,716 |
| Lewis County, Missouri | Rural | 18.9 | 1,877 | 1,772 |
| Lewis County, New York | Rural | 19.9 | 5,287 | 1,472 |
| Lewis County, Tennessee | Rural | 20.5 | 2,623 | 1,272 |
| Lewis County, Washington | Rural | 21.2 | 17,779 | 1,070 |
| Lewis County, West Virginia | Rural | 20.8 | 3,503 | 1,178 |
| Lewis and Clark County, Montana | Urban | 19.9 | 14,452 | 1,472 |
| Lexington City, Virginia | Rural | 16.4 | 1,214 | 2,467 |
| Lexington County, South Carolina | Urban | 16.7 | 50,204 | 2,398 |
| Liberty County, Florida | Rural | 13.8 | 1,053 | 2,885 |
| Liberty County, Georgia | Urban | 9.8 | 6,558 | 3,113 |
| Liberty County, Montana | Rural | 20.6 | 406 | 1,240 |
| Liberty County, Texas | Urban | 11.9 | 11,701 | 3,053 |
| Licking County, Ohio | Urban | 17.1 | 30,851 | 2,293 |
| Limestone County, Alabama | Urban | 15.4 | 16,544 | 2,662 |
| Limestone County, Texas | Rural | 20.7 | 4,588 | 1,214 |
| Lincoln County, Arkansas | Rural | 15.0 | 1,942 | 2,726 |
| Lincoln County, Colorado | Rural | 17.8 | 989 | 2,122 |
| Lincoln County, Georgia | Urban | 25.2 | 1,962 | 409 |
| Lincoln County, Idaho | Rural | 15.5 | 817 | 2,640 |
| Lincoln County, Kansas | Rural | 24.9 | 728 | 441 |
| Lincoln County, Kentucky | Rural | 18.9 | 4,603 | 1,772 |
| Lincoln County, Maine | Rural | 28.9 | 10,346 | 146 |
| Lincoln County, Minnesota | Rural | 24.2 | 1,355 | 518 |
| Lincoln County, Mississippi | Rural | 17.3 | 6,035 | 2,252 |
| Lincoln County, Missouri | Urban | 14.3 | 8,815 | 2,833 |
| Lincoln County, Montana | Rural | 29.7 | 6,139 | 120 |
| Lincoln County, Nebraska | Rural | 20.5 | 7,002 | 1,272 |
| Lincoln County, Nevada | Rural | 18.9 | 841 | 1,772 |
| Lincoln County, New Mexico | Rural | 30.5 | 6,178 | 103 |
| Lincoln County, North Carolina | Urban | 19.0 | 17,168 | 1,737 |
| Lincoln County, Oklahoma | Urban | 19.1 | 6,470 | 1,716 |
| Lincoln County, Oregon | Rural | 31.1 | 15,765 | 86 |
| Lincoln County, South Dakota | Urban | 14.2 | 9,717 | 2,846 |
| Lincoln County, Tennessee | Rural | 19.6 | 6,990 | 1,573 |
| Lincoln County, Washington | Rural | 25.8 | 2,911 | 347 |
| Lincoln County, West Virginia | Rural | 20.5 | 4,139 | 1,272 |
| Lincoln County, Wisconsin | Rural | 23.0 | 6,540 | 701 |
| Lincoln County, Wyoming | Rural | 18.6 | 3,745 | 1,871 |
| Lincoln Parish, Louisiana | Rural | 14.0 | 6,751 | 2,862 |
| Linn County, Iowa | Urban | 16.9 | 38,716 | 2,348 |
| Linn County, Kansas | Urban | 22.3 | 2,165 | 817 |
| Linn County, Missouri | Rural | 21.2 | 2,515 | 1,070 |
| Linn County, Oregon | Urban | 19.2 | 24,878 | 1,694 |
| Lipscomb County, Texas | Rural | 18.9 | 561 | 1,772 |
| Litchfield County, Connecticut | Rural | 21.9 | 40,743 | 902 |
| Little River County, Arkansas | Urban | 21.2 | 2,534 | 1,070 |
| Live Oak County, Texas | Rural | 20.2 | 2,313 | 1,354 |
| Livingston County, Illinois | Rural | 20.0 | 7,115 | 1,434 |
| Livingston County, Kentucky | Urban | 21.9 | 1,962 | 902 |
| Livingston County, Michigan | Urban | 19.0 | 37,006 | 1,737 |
| Livingston County, Missouri | Rural | 19.9 | 2,858 | 1,472 |
| Livingston County, New York | Urban | 19.5 | 11,990 | 1,606 |
| Livingston Parish, Louisiana | Urban | 13.6 | 19,746 | 2,906 |
| Llano County, Texas | Rural | 36.9 | 8,132 | 17 |
| Logan County, Arkansas | Rural | 20.2 | 4,285 | 1,354 |
| Logan County, Colorado | Rural | 18.6 | 3,926 | 1,871 |
| Logan County, Illinois | Rural | 19.1 | 5,317 | 1,716 |
| Logan County, Kansas | Rural | 21.1 | 573 | 1,091 |
| Logan County, Kentucky | Rural | 18.8 | 5,212 | 1,812 |
| Logan County, Nebraska | Rural | 21.1 | 171 | 1,091 |
| Logan County, North Dakota | Rural | 27.8 | 513 | 200 |
| Logan County, Ohio | Rural | 19.0 | 8,760 | 1,737 |
| Logan County, Oklahoma | Urban | 16.9 | 8,583 | 2,348 |
| Logan County, West Virginia | Rural | 22.0 | 7,013 | 877 |
| Long County, Georgia | Urban | 9.2 | 1,610 | 3,127 |
| Lonoke County, Arkansas | Urban | 14.4 | 10,754 | 2,816 |
| Lorain County, Ohio | Urban | 19.4 | 60,992 | 1,636 |
| Los Alamos County, New Mexico | Rural | 18.2 | 3,519 | 2,001 |
| Los Angeles County, California | Urban | 14.7 | 1,448,571 | 2,773 |
| Loudon County, Tennessee | Urban | 27.0 | 15,412 | 253 |
| Loudoun County, Virginia | Urban | 10.4 | 44,291 | 3,102 |
| Louisa County, Iowa | Rural | 19.8 | 2,122 | 1,519 |
| Louisa County, Virginia | Rural | 20.4 | 7,965 | 1,300 |
| Loup County, Nebraska | Rural | 27.0 | 152 | 253 |
| Love County, Oklahoma | Rural | 18.2 | 1,854 | 2,001 |
| Loving County, Texas | Rural | 74.1 | 40 | 1 |
| Lowndes County, Alabama | Urban | 20.1 | 2,007 | 1,396 |
| Lowndes County, Georgia | Urban | 13.0 | 15,466 | 2,976 |
| Lowndes County, Mississippi | Rural | 16.9 | 9,856 | 2,348 |
| Lubbock County, Texas | Urban | 13.1 | 41,139 | 2,964 |
| Lucas County, Iowa | Rural | 21.6 | 1,878 | 984 |
| Lucas County, Ohio | Urban | 17.1 | 73,314 | 2,293 |
| Luce County, Michigan | Rural | 23.1 | 1,463 | 686 |
| Lumpkin County, Georgia | Urban | 18.2 | 6,181 | 2,001 |
| Luna County, New Mexico | Rural | 20.7 | 5,268 | 1,214 |
| Lunenburg County, Virginia | Rural | 23.0 | 2,762 | 701 |
| Luzerne County, Pennsylvania | Urban | 19.9 | 65,007 | 1,472 |
| Lycoming County, Pennsylvania | Urban | 20.2 | 22,954 | 1,354 |
| Lyman County, South Dakota | Rural | 18.0 | 669 | 2,064 |
| Lynchburg City, Virginia | Urban | 14.2 | 11,240 | 2,846 |
| Lynn County, Texas | Urban | 15.8 | 896 | 2,586 |
| Lyon County, Iowa | Rural | 18.9 | 2,285 | 1,772 |
| Lyon County, Kansas | Rural | 15.8 | 5,075 | 2,586 |
| Lyon County, Kentucky | Rural | 25.3 | 2,238 | 399 |
| Lyon County, Minnesota | Rural | 17.1 | 4,368 | 2,293 |
| Lyon County, Nevada | Urban | 21.7 | 13,168 | 953 |
| Mackinac County, Michigan | Rural | 29.0 | 3,156 | 142 |
| Macomb County, Michigan | Urban | 17.8 | 156,538 | 2,122 |
| Macon County, Alabama | Urban | 20.7 | 3,927 | 1,214 |
| Macon County, Georgia | Rural | 18.3 | 2,187 | 1,968 |
| Macon County, Illinois | Urban | 20.6 | 21,085 | 1,240 |
| Macon County, Missouri | Rural | 21.9 | 3,323 | 902 |
| Macon County, North Carolina | Rural | 28.9 | 10,832 | 146 |
| Macon County, Tennessee | Urban | 15.3 | 3,950 | 2,688 |
| Macoupin County, Illinois | Urban | 21.1 | 9,414 | 1,091 |
| Madera County, California | Urban | 14.4 | 22,802 | 2,816 |
| Madison County, Alabama | Urban | 15.5 | 61,396 | 2,640 |
| Madison County, Arkansas | Urban | 19.3 | 3,293 | 1,663 |
| Madison County, Florida | Rural | 22.6 | 4,096 | 764 |
| Madison County, Georgia | Urban | 18.1 | 5,595 | 2,034 |
| Madison County, Idaho | Rural | 5.3 | 2,849 | 3,142 |
| Madison County, Illinois | Urban | 18.0 | 47,601 | 2,064 |
| Madison County, Indiana | Urban | 18.6 | 24,354 | 1,871 |
| Madison County, Iowa | Urban | 18.1 | 3,027 | 2,034 |
| Madison County, Kentucky | Rural | 14.6 | 13,719 | 2,792 |
| Madison County, Mississippi | Urban | 14.9 | 16,385 | 2,744 |
| Madison County, Missouri | Rural | 19.0 | 2,406 | 1,737 |
| Madison County, Montana | Rural | 30.6 | 2,742 | 100 |
| Madison County, Nebraska | Rural | 17.0 | 6,043 | 2,320 |
| Madison County, New York | Urban | 19.7 | 13,333 | 1,544 |
| Madison County, North Carolina | Urban | 23.1 | 5,005 | 686 |
| Madison County, Ohio | Urban | 16.1 | 7,089 | 2,534 |
| Madison County, Tennessee | Urban | 17.6 | 17,363 | 2,177 |
| Madison County, Texas | Rural | 15.2 | 2,062 | 2,701 |
| Madison County, Virginia | Rural | 22.8 | 3,171 | 726 |
| Madison Parish, Louisiana | Rural | 16.8 | 1,644 | 2,373 |
| Magoffin County, Kentucky | Rural | 18.5 | 2,130 | 1,902 |
| Mahaska County, Iowa | Rural | 19.0 | 4,191 | 1,737 |
| Mahnomen County, Minnesota | Rural | 17.5 | 940 | 2,196 |
| Mahoning County, Ohio | Urban | 22.0 | 50,002 | 877 |
| Major County, Oklahoma | Rural | 21.1 | 1,614 | 1,091 |
| Malheur County, Oregon | Rural | 17.0 | 5,405 | 2,320 |
| Manassas City, Virginia | Urban | 10.3 | 4,405 | 3,104 |
| Manassas Park City, Virginia | Urban | 9.6 | 1,627 | 3,120 |
| Manatee County, Florida | Urban | 28.2 | 117,425 | 185 |
| Manistee County, Michigan | Rural | 27.4 | 6,909 | 226 |
| Manitowoc County, Wisconsin | Rural | 21.7 | 17,671 | 953 |
| Marathon County, Wisconsin | Urban | 18.6 | 25,737 | 1,871 |
| Marengo County, Alabama | Rural | 20.2 | 3,842 | 1,354 |
| Maricopa County, Arizona | Urban | 16.0 | 718,079 | 2,557 |
| Maries County, Missouri | Rural | 22.2 | 1,875 | 831 |
| Marin County, California | Urban | 23.3 | 60,192 | 653 |
| Marinette County, Wisconsin | Rural | 24.6 | 10,318 | 468 |
| Marion County, Alabama | Rural | 21.1 | 6,157 | 1,091 |
| Marion County, Arkansas | Rural | 29.1 | 4,969 | 138 |
| Marion County, Florida | Urban | 28.7 | 111,456 | 163 |
| Marion County, Georgia | Urban | 21.3 | 1,589 | 1,047 |
| Marion County, Illinois | Rural | 19.8 | 7,398 | 1,519 |
| Marion County, Indiana | Urban | 12.9 | 125,026 | 2,983 |
| Marion County, Iowa | Rural | 18.9 | 6,347 | 1,772 |
| Marion County, Kansas | Rural | 23.4 | 2,765 | 635 |
| Marion County, Kentucky | Rural | 16.9 | 3,333 | 2,348 |
| Marion County, Mississippi | Rural | 18.8 | 4,557 | 1,812 |
| Marion County, Missouri | Rural | 18.7 | 5,320 | 1,845 |
| Marion County, Ohio | Rural | 18.4 | 11,958 | 1,938 |
| Marion County, Oregon | Urban | 16.4 | 56,857 | 2,467 |
| Marion County, South Carolina | Rural | 21.1 | 6,104 | 1,091 |
| Marion County, Tennessee | Urban | 20.5 | 5,939 | 1,272 |
| Marion County, Texas | Rural | 26.7 | 2,575 | 278 |
| Marion County, West Virginia | Rural | 19.8 | 11,095 | 1,519 |
| Mariposa County, California | Rural | 29.4 | 5,009 | 131 |
| Marlboro County, South Carolina | Rural | 18.6 | 4,901 | 1,871 |
| Marquette County, Michigan | Rural | 20.0 | 13,299 | 1,434 |
| Marquette County, Wisconsin | Rural | 25.9 | 4,075 | 342 |
| Marshall County, Alabama | Rural | 17.0 | 16,756 | 2,320 |
| Marshall County, Illinois | Urban | 23.6 | 2,762 | 597 |
| Marshall County, Indiana | Rural | 18.3 | 8,472 | 1,968 |
| Marshall County, Iowa | Rural | 18.5 | 7,378 | 1,902 |
| Marshall County, Kansas | Rural | 22.4 | 2,238 | 800 |
| Marshall County, Kentucky | Rural | 22.1 | 7,006 | 847 |
| Marshall County, Minnesota | Rural | 22.6 | 2,022 | 764 |
| Marshall County, Mississippi | Urban | 18.6 | 6,317 | 1,871 |
| Marshall County, Oklahoma | Rural | 22.1 | 3,449 | 847 |
| Marshall County, South Dakota | Rural | 22.6 | 985 | 764 |
| Marshall County, Tennessee | Rural | 16.4 | 5,772 | 2,467 |
| Marshall County, West Virginia | Urban | 23.2 | 6,993 | 668 |
| Martin County, Florida | Urban | 31.8 | 50,992 | 69 |
| Martin County, Indiana | Rural | 20.5 | 2,024 | 1,272 |
| Martin County, Kentucky | Rural | 17.4 | 1,950 | 2,221 |
| Martin County, Minnesota | Rural | 24.0 | 4,758 | 536 |
| Martin County, North Carolina | Rural | 25.0 | 5,444 | 424 |
| Martin County, Texas | Urban | 10.7 | 562 | 3,096 |
| Martinsville City, Virginia | Rural | 17.1 | 2,318 | 2,293 |
| Mason County, Illinois | Rural | 23.0 | 2,963 | 701 |
| Mason County, Kentucky | Rural | 19.3 | 3,283 | 1,663 |
| Mason County, Michigan | Rural | 25.6 | 7,467 | 369 |
| Mason County, Texas | Rural | 30.6 | 1,208 | 100 |
| Mason County, Washington | Rural | 23.7 | 15,882 | 583 |
| Mason County, West Virginia | Rural | 22.2 | 5,591 | 831 |
| Massac County, Illinois | Urban | 21.4 | 2,988 | 1,021 |
| Matagorda County, Texas | Rural | 17.9 | 6,487 | 2,093 |
| Matanuska-Susitna Borough, Alaska | Urban | 13.3 | 14,713 | 2,940 |
| Mathews County, Virginia | Urban | 32.3 | 2,750 | 59 |
| Maui County, Hawaii | Urban | 20.0 | 32,982 | 1,434 |
| Maury County, Tennessee | Urban | 16.8 | 17,604 | 2,373 |
| Maverick County, Texas | Urban | 11.9 | 6,874 | 3,053 |
| Mayes County, Oklahoma | Rural | 18.7 | 7,368 | 1,845 |
| McClain County, Oklahoma | Urban | 15.4 | 6,750 | 2,662 |
| McCone County, Montana | Rural | 28.7 | 522 | 163 |
| McCook County, South Dakota | Urban | 18.4 | 1,057 | 1,938 |
| McCormick County, South Carolina | Rural | 37.8 | 3,670 | 12 |
| McCracken County, Kentucky | Urban | 20.1 | 13,614 | 1,396 |
| McCreary County, Kentucky | Rural | 16.1 | 2,717 | 2,534 |
| McCulloch County, Texas | Rural | 23.6 | 1,783 | 597 |
| McCurtain County, Oklahoma | Rural | 17.8 | 5,494 | 2,122 |
| McDonald County, Missouri | Rural | 15.8 | 3,706 | 2,586 |
| McDonough County, Illinois | Rural | 19.3 | 5,234 | 1,663 |
| McDowell County, North Carolina | Rural | 20.7 | 9,257 | 1,214 |
| McDowell County, West Virginia | Rural | 21.6 | 3,984 | 984 |
| McDuffie County, Georgia | Urban | 18.5 | 4,004 | 1,902 |
| McHenry County, Illinois | Urban | 15.9 | 49,532 | 2,574 |
| McHenry County, North Dakota | Urban | 21.8 | 1,148 | 928 |
| McIntosh County, Georgia | Urban | 29.3 | 3,279 | 133 |
| McIntosh County, North Dakota | Rural | 31.0 | 779 | 90 |
| McIntosh County, Oklahoma | Rural | 25.2 | 4,840 | 409 |
| McKean County, Pennsylvania | Rural | 20.5 | 8,235 | 1,272 |
| McKenzie County, North Dakota | Rural | 9.1 | 1,305 | 3,129 |
| McKinley County, New Mexico | Rural | 13.2 | 9,423 | 2,955 |
| McLean County, Illinois | Urban | 14.2 | 24,285 | 2,846 |
| McLean County, Kentucky | Urban | 19.8 | 1,805 | 1,519 |
| McLean County, North Dakota | Rural | 25.6 | 2,511 | 369 |
| McLennan County, Texas | Urban | 15.1 | 39,781 | 2,713 |
| McLeod County, Minnesota | Rural | 19.7 | 7,233 | 1,544 |
| McMinn County, Tennessee | Rural | 20.1 | 10,877 | 1,396 |
| McMullen County, Texas | Rural | 16.4 | 102 | 2,467 |
| McNairy County, Tennessee | Rural | 21.1 | 5,467 | 1,091 |
| McPherson County, Kansas | Rural | 19.7 | 5,944 | 1,544 |
| McPherson County, Nebraska | Rural | 21.6 | 100 | 984 |
| McPherson County, South Dakota | Rural | 30.8 | 701 | 97 |
| Meade County, Kansas | Rural | 16.7 | 660 | 2,398 |
| Meade County, Kentucky | Urban | 15.1 | 4,546 | 2,713 |
| Meade County, South Dakota | Urban | 16.3 | 4,937 | 2,495 |
| Meagher County, Montana | Rural | 34.5 | 682 | 30 |
| Mecklenburg County, North Carolina | Urban | 11.7 | 132,281 | 3,059 |
| Mecklenburg County, Virginia | Rural | 26.6 | 8,083 | 285 |
| Mecosta County, Michigan | Rural | 20.2 | 8,133 | 1,354 |
| Medina County, Ohio | Urban | 19.2 | 35,200 | 1,694 |
| Medina County, Texas | Urban | 17.3 | 9,047 | 2,252 |
| Meeker County, Minnesota | Rural | 20.8 | 4,865 | 1,178 |
| Meigs County, Ohio | Rural | 20.7 | 4,575 | 1,214 |
| Meigs County, Tennessee | Rural | 21.3 | 2,786 | 1,047 |
| Mellette County, South Dakota | Rural | 15.2 | 310 | 2,701 |
| Menard County, Illinois | Urban | 20.2 | 2,457 | 1,354 |
| Menard County, Texas | Rural | 32.2 | 633 | 63 |
| Mendocino County, California | Rural | 24.1 | 21,829 | 531 |
| Menifee County, Kentucky | Rural | 22.0 | 1,363 | 877 |
| Menominee County, Michigan | Rural | 26.3 | 6,137 | 312 |
| Menominee County, Wisconsin | Rural | 15.6 | 662 | 2,625 |
| Merced County, California | Urban | 11.6 | 33,068 | 3,062 |
| Mercer County, Illinois | Urban | 21.5 | 3,352 | 1,005 |
| Mercer County, Kentucky | Rural | 19.2 | 4,386 | 1,694 |
| Mercer County, Missouri | Rural | 21.7 | 760 | 953 |
| Mercer County, New Jersey | Urban | 15.7 | 60,012 | 2,609 |
| Mercer County, North Dakota | Rural | 21.9 | 1,824 | 902 |
| Mercer County, Ohio | Rural | 18.6 | 7,903 | 1,871 |
| Mercer County, Pennsylvania | Rural | 22.7 | 24,927 | 747 |
| Mercer County, West Virginia | Rural | 22.6 | 13,341 | 764 |
| Meriwether County, Georgia | Urban | 20.9 | 4,333 | 1,146 |
| Merrick County, Nebraska | Urban | 21.2 | 1,635 | 1,070 |
| Merrimack County, New Hampshire | Rural | 19.3 | 29,975 | 1,663 |
| Mesa County, Colorado | Urban | 20.4 | 32,147 | 1,300 |
| Metcalfe County, Kentucky | Rural | 18.9 | 1,956 | 1,772 |
| Miami County, Indiana | Rural | 18.0 | 6,422 | 2,064 |
| Miami County, Kansas | Urban | 17.5 | 6,056 | 2,196 |
| Miami County, Ohio | Urban | 19.1 | 20,978 | 1,716 |
| Miami-Dade County, Florida | Urban | 16.8 | 452,114 | 2,373 |
| Middlesex County, Connecticut | Urban | 21.3 | 35,131 | 1,047 |
| Middlesex County, Massachusetts | Urban | 16.0 | 259,590 | 2,557 |
| Middlesex County, New Jersey | Urban | 15.8 | 135,888 | 2,586 |
| Middlesex County, Virginia | Rural | 33.5 | 3,605 | 43 |
| Midland County, Michigan | Urban | 19.8 | 16,534 | 1,519 |
| Midland County, Texas | Urban | 10.6 | 18,239 | 3,100 |
| Mifflin County, Pennsylvania | Rural | 21.8 | 10,025 | 928 |
| Milam County, Texas | Rural | 21.4 | 5,405 | 1,021 |
| Millard County, Utah | Rural | 17.1 | 2,253 | 2,293 |
| Mille Lacs County, Minnesota | Urban | 18.4 | 4,941 | 1,938 |
| Miller County, Arkansas | Urban | 16.8 | 7,155 | 2,373 |
| Miller County, Georgia | Rural | 21.8 | 1,283 | 928 |
| Miller County, Missouri | Rural | 19.5 | 4,886 | 1,606 |
| Mills County, Iowa | Urban | 19.9 | 2,892 | 1,472 |
| Mills County, Texas | Rural | 28.9 | 1,298 | 146 |
| Milwaukee County, Wisconsin | Urban | 14.4 | 133,478 | 2,816 |
| Miner County, South Dakota | Rural | 25.2 | 579 | 409 |
| Mineral County, Colorado | Rural | 29.7 | 237 | 120 |
| Mineral County, Montana | Urban | 28.1 | 1,347 | 190 |
| Mineral County, Nevada | Rural | 27.0 | 1,231 | 253 |
| Mineral County, West Virginia | Rural | 22.5 | 6,063 | 783 |
| Mingo County, West Virginia | Rural | 21.4 | 4,911 | 1,021 |
| Minidoka County, Idaho | Rural | 15.7 | 3,443 | 2,609 |
| Minnehaha County, South Dakota | Urban | 13.6 | 27,318 | 2,906 |
| Missaukee County, Michigan | Rural | 21.4 | 3,238 | 1,021 |
| Mississippi County, Arkansas | Rural | 15.2 | 6,049 | 2,701 |
| Mississippi County, Missouri | Rural | 18.3 | 2,213 | 1,968 |
| Missoula County, Montana | Urban | 16.6 | 19,892 | 2,426 |
| Mitchell County, Georgia | Rural | 18.1 | 3,877 | 2,034 |
| Mitchell County, Iowa | Rural | 21.4 | 2,259 | 1,021 |
| Mitchell County, Kansas | Rural | 22.8 | 1,312 | 726 |
| Mitchell County, North Carolina | Rural | 25.5 | 3,812 | 382 |
| Mitchell County, Texas | Rural | 14.7 | 1,320 | 2,773 |
| Mobile County, Alabama | Urban | 17.0 | 70,108 | 2,320 |
| Modoc County, California | Rural | 31.0 | 2,680 | 90 |
| Moffat County, Colorado | Rural | 16.1 | 2,141 | 2,534 |
| Mohave County, Arizona | Urban | 31.9 | 69,401 | 67 |
| Moniteau County, Missouri | Urban | 16.4 | 2,507 | 2,467 |
| Monmouth County, New Jersey | Urban | 18.6 | 119,488 | 1,871 |
| Mono County, California | Rural | 16.4 | 2,164 | 2,467 |
| Monona County, Iowa | Rural | 23.8 | 2,054 | 569 |
| Monongalia County, West Virginia | Urban | 13.1 | 14,006 | 2,964 |
| Monroe County, Alabama | Rural | 21.2 | 4,143 | 1,070 |
| Monroe County, Arkansas | Rural | 23.3 | 1,554 | 653 |
| Monroe County, Florida | Rural | 24.3 | 19,888 | 508 |
| Monroe County, Georgia | Urban | 18.8 | 5,447 | 1,812 |
| Monroe County, Illinois | Urban | 18.8 | 6,588 | 1,812 |
| Monroe County, Indiana | Urban | 14.2 | 19,888 | 2,846 |
| Monroe County, Iowa | Rural | 19.8 | 1,495 | 1,519 |
| Monroe County, Kentucky | Rural | 18.4 | 2,088 | 1,938 |
| Monroe County, Michigan | Urban | 19.3 | 29,966 | 1,663 |
| Monroe County, Mississippi | Rural | 19.9 | 6,752 | 1,472 |
| Monroe County, Missouri | Rural | 24.7 | 2,140 | 456 |
| Monroe County, New York | Urban | 18.3 | 137,752 | 1,968 |
| Monroe County, Ohio | Rural | 23.4 | 3,117 | 635 |
| Monroe County, Pennsylvania | Rural | 18.9 | 31,730 | 1,772 |
| Monroe County, Tennessee | Rural | 21.8 | 10,242 | 928 |
| Monroe County, West Virginia | Rural | 24.9 | 3,083 | 441 |
| Monroe County, Wisconsin | Rural | 17.6 | 8,135 | 2,177 |
| Montague County, Texas | Rural | 21.8 | 4,489 | 928 |
| Montcalm County, Michigan | Urban | 17.6 | 11,818 | 2,177 |
| Monterey County, California | Urban | 14.5 | 63,232 | 2,801 |
| Montezuma County, Colorado | Rural | 23.9 | 6,262 | 552 |
| Montgomery County, Alabama | Urban | 15.8 | 35,962 | 2,586 |
| Montgomery County, Arkansas | Rural | 27.0 | 2,314 | 253 |
| Montgomery County, Georgia | Rural | 17.4 | 1,512 | 2,221 |
| Montgomery County, Illinois | Rural | 21.0 | 5,895 | 1,116 |
| Montgomery County, Indiana | Rural | 18.5 | 7,048 | 1,902 |
| Montgomery County, Iowa | Rural | 22.8 | 2,342 | 726 |
| Montgomery County, Kansas | Rural | 19.9 | 6,207 | 1,472 |
| Montgomery County, Kentucky | Rural | 17.0 | 4,794 | 2,320 |
| Montgomery County, Maryland | Urban | 16.6 | 175,080 | 2,426 |
| Montgomery County, Mississippi | Rural | 22.4 | 2,172 | 800 |
| Montgomery County, Missouri | Rural | 20.4 | 2,332 | 1,300 |
| Montgomery County, New York | Rural | 19.0 | 9,376 | 1,737 |
| Montgomery County, North Carolina | Rural | 21.8 | 5,645 | 928 |
| Montgomery County, Ohio | Urban | 18.3 | 98,025 | 1,968 |
| Montgomery County, Pennsylvania | Urban | 18.4 | 158,301 | 1,938 |
| Montgomery County, Tennessee | Urban | 9.8 | 22,269 | 3,113 |
| Montgomery County, Texas | Urban | 13.5 | 88,541 | 2,918 |
| Montgomery County, Virginia | Urban | 13.7 | 13,583 | 2,891 |
| Montmorency County, Michigan | Rural | 32.9 | 3,087 | 52 |
| Montour County, Pennsylvania | Rural | 21.4 | 3,877 | 1,021 |
| Montrose County, Colorado | Rural | 25.3 | 10,968 | 399 |
| Moody County, South Dakota | Rural | 20.0 | 1,276 | 1,434 |
| Moore County, North Carolina | Urban | 24.0 | 24,731 | 536 |
| Moore County, Tennessee | Rural | 21.4 | 1,416 | 1,021 |
| Moore County, Texas | Rural | 11.2 | 2,382 | 3,081 |
| Mora County, New Mexico | Rural | 32.7 | 1,366 | 54 |
| Morehouse Parish, Louisiana | Urban | 19.4 | 4,833 | 1,636 |
| Morgan County, Alabama | Urban | 17.9 | 22,123 | 2,093 |
| Morgan County, Colorado | Rural | 15.8 | 4,609 | 2,586 |
| Morgan County, Georgia | Urban | 20.3 | 4,185 | 1,328 |
| Morgan County, Illinois | Rural | 20.9 | 6,802 | 1,146 |
| Morgan County, Indiana | Urban | 17.7 | 12,780 | 2,153 |
| Morgan County, Kentucky | Rural | 17.4 | 2,425 | 2,221 |
| Morgan County, Missouri | Rural | 23.6 | 5,057 | 597 |
| Morgan County, Ohio | Rural | 22.0 | 3,032 | 877 |
| Morgan County, Tennessee | Urban | 18.9 | 4,007 | 1,772 |
| Morgan County, Utah | Urban | 12.1 | 1,520 | 3,044 |
| Morgan County, West Virginia | Urban | 24.8 | 4,290 | 448 |
| Morrill County, Nebraska | Rural | 21.3 | 970 | 1,047 |
| Morris County, Kansas | Rural | 26.1 | 1,407 | 326 |
| Morris County, New Jersey | Urban | 17.8 | 90,759 | 2,122 |
| Morris County, Texas | Rural | 21.7 | 2,612 | 953 |
| Morrison County, Minnesota | Rural | 20.6 | 7,017 | 1,240 |
| Morrow County, Ohio | Urban | 18.7 | 6,602 | 1,845 |
| Morrow County, Oregon | Rural | 16.2 | 1,988 | 2,512 |
| Morton County, Kansas | Rural | 20.3 | 537 | 1,328 |
| Morton County, North Dakota | Urban | 16.8 | 5,628 | 2,373 |
| Motley County, Texas | Rural | 31.0 | 393 | 90 |
| Moultrie County, Illinois | Rural | 19.0 | 2,742 | 1,737 |
| Mountrail County, North Dakota | Rural | 13.1 | 1,249 | 2,964 |
| Mower County, Minnesota | Rural | 18.4 | 7,388 | 1,938 |
| Muhlenberg County, Kentucky | Rural | 20.0 | 6,142 | 1,434 |
| Multnomah County, Oregon | Urban | 14.4 | 115,661 | 2,816 |
| Murray County, Georgia | Urban | 14.9 | 5,997 | 2,744 |
| Murray County, Minnesota | Rural | 26.0 | 2,108 | 333 |
| Murray County, Oklahoma | Rural | 20.2 | 2,794 | 1,354 |
| Muscatine County, Iowa | Rural | 17.6 | 7,509 | 2,177 |
| Muscogee County, Georgia | Urban | 14.4 | 29,370 | 2,816 |
| Muskegon County, Michigan | Urban | 18.0 | 31,596 | 2,064 |
| Muskingum County, Ohio | Rural | 18.3 | 15,794 | 1,968 |
| Muskogee County, Oklahoma | Rural | 17.0 | 11,320 | 2,320 |
| Musselshell County, Montana | Rural | 28.8 | 1,458 | 156 |
| Nacogdoches County, Texas | Rural | 15.4 | 10,019 | 2,662 |
| Nance County, Nebraska | Rural | 21.0 | 702 | 1,116 |
| Nantucket County, Massachusetts | Rural | 15.5 | 2,217 | 2,640 |
| Napa County, California | Urban | 20.6 | 28,017 | 1,240 |
| Nash County, North Carolina | Urban | 19.0 | 18,090 | 1,737 |
| Nassau County, Florida | Urban | 23.3 | 22,097 | 653 |
| Nassau County, New York | Urban | 18.2 | 253,288 | 2,001 |
| Natchitoches Parish, Louisiana | Rural | 16.8 | 6,213 | 2,373 |
| Natrona County, Wyoming | Urban | 16.4 | 13,080 | 2,467 |
| Navajo County, Arizona | Rural | 19.6 | 21,091 | 1,573 |
| Navarro County, Texas | Rural | 16.7 | 8,950 | 2,398 |
| Nelson County, Kentucky | Urban | 16.8 | 7,918 | 2,373 |
| Nelson County, North Dakota | Rural | 27.9 | 840 | 194 |
| Nelson County, Virginia | Urban | 29.3 | 4,324 | 133 |
| Nemaha County, Kansas | Rural | 19.6 | 2,000 | 1,573 |
| Nemaha County, Nebraska | Rural | 20.6 | 1,448 | 1,240 |
| Neosho County, Kansas | Rural | 20.4 | 3,206 | 1,300 |
| Neshoba County, Mississippi | Rural | 16.7 | 4,839 | 2,398 |
| Ness County, Kansas | Rural | 24.6 | 655 | 468 |
| Nevada County, Arkansas | Rural | 21.1 | 1,740 | 1,091 |
| Nevada County, California | Rural | 28.9 | 29,591 | 146 |
| New Castle County, Delaware | Urban | 16.6 | 95,161 | 2,426 |
| New Hanover County, North Carolina | Urban | 18.7 | 43,240 | 1,845 |
| New Haven County, Connecticut | Urban | 18.3 | 157,625 | 1,968 |
| New Kent County, Virginia | Urban | 18.7 | 4,516 | 1,845 |
| New London County, Connecticut | Urban | 19.7 | 52,706 | 1,544 |
| New Madrid County, Missouri | Rural | 19.6 | 3,137 | 1,573 |
| New York County, New York | Urban | 17.8 | 289,340 | 2,122 |
| Newaygo County, Michigan | Rural | 20.2 | 10,205 | 1,354 |
| Newberry County, South Carolina | Rural | 19.9 | 7,593 | 1,472 |
| Newport County, Rhode Island | Urban | 24.4 | 20,779 | 494 |
| Newport News City, Virginia | Urban | 13.7 | 25,227 | 2,891 |
| Newton County, Arkansas | Rural | 27.0 | 1,940 | 253 |
| Newton County, Georgia | Urban | 13.3 | 15,331 | 2,940 |
| Newton County, Indiana | Urban | 20.0 | 2,770 | 1,434 |
| Newton County, Mississippi | Rural | 17.2 | 3,639 | 2,277 |
| Newton County, Missouri | Urban | 18.7 | 11,101 | 1,845 |
| Newton County, Texas | Rural | 22.9 | 2,795 | 717 |
| Nez Perce County, Idaho | Urban | 20.6 | 8,733 | 1,240 |
| Niagara County, New York | Urban | 20.2 | 42,613 | 1,354 |
| Nicholas County, Kentucky | Rural | 16.7 | 1,278 | 2,398 |
| Nicholas County, West Virginia | Rural | 23.6 | 5,759 | 597 |
| Nicollet County, Minnesota | Urban | 17.2 | 5,906 | 2,277 |
| Niobrara County, Wyoming | Rural | 29.6 | 715 | 126 |
| Noble County, Indiana | Rural | 16.5 | 7,846 | 2,445 |
| Noble County, Ohio | Rural | 27.3 | 3,888 | 233 |
| Noble County, Oklahoma | Rural | 21.6 | 2,357 | 984 |
| Nobles County, Minnesota | Rural | 17.3 | 3,812 | 2,252 |
| Nodaway County, Missouri | Rural | 17.3 | 3,632 | 2,252 |
| Nolan County, Texas | Rural | 20.1 | 2,924 | 1,396 |
| Nome Census Area, Alaska | Rural | 8.4 | 836 | 3,132 |
| Norfolk City, Virginia | Urban | 12.6 | 29,560 | 3,010 |
| Norfolk County, Massachusetts | Urban | 17.4 | 126,172 | 2,221 |
| Norman County, Minnesota | Rural | 21.5 | 1,380 | 1,005 |
| North Slope Borough, Alaska | Rural | 7.9 | 858 | 3,136 |
| Northampton County, North Carolina | Rural | 28.5 | 4,909 | 169 |
| Northampton County, Pennsylvania | Urban | 19.9 | 62,869 | 1,472 |
| Northampton County, Virginia | Rural | 28.5 | 3,450 | 169 |
| Northumberland County, Pennsylvania | Rural | 21.7 | 19,756 | 953 |
| Northumberland County, Virginia | Rural | 37.9 | 4,582 | 11 |
| Northwest Arctic Borough, Alaska | Rural | 8.4 | 639 | 3,132 |
| Norton City, Virginia | Rural | 20.6 | 746 | 1,240 |
| Norton County, Kansas | Rural | 20.3 | 1,095 | 1,328 |
| Nottoway County, Virginia | Rural | 18.5 | 2,884 | 1,902 |
| Nowata County, Oklahoma | Rural | 19.9 | 1,873 | 1,472 |
| Noxubee County, Mississippi | Rural | 17.6 | 1,783 | 2,177 |
| Nuckolls County, Nebraska | Rural | 28.3 | 1,159 | 182 |
| Nueces County, Texas | Urban | 15.6 | 55,080 | 2,625 |
| Nye County, Nevada | Rural | 31.0 | 16,469 | 90 |
| O'Brien County, Iowa | Rural | 21.1 | 2,973 | 1,091 |
| Oakland County, Michigan | Urban | 17.9 | 227,903 | 2,093 |
| Obion County, Tennessee | Rural | 20.5 | 6,261 | 1,272 |
| Ocean County, New Jersey | Urban | 22.4 | 144,719 | 800 |
| Oceana County, Michigan | Rural | 21.8 | 5,828 | 928 |
| Ochiltree County, Texas | Rural | 11.4 | 1,120 | 3,074 |
| Oconee County, Georgia | Urban | 16.1 | 6,909 | 2,534 |
| Oconee County, South Carolina | Rural | 24.2 | 19,264 | 518 |
| Oconto County, Wisconsin | Urban | 22.0 | 8,661 | 877 |
| Ogemaw County, Michigan | Rural | 27.1 | 5,659 | 246 |
| Oglala Lakota, South Dakota | Rural | 7.1 | 961 | 3,139 |
| Ogle County, Illinois | Rural | 19.3 | 9,966 | 1,663 |
| Oglethorpe County, Georgia | Urban | 19.0 | 2,886 | 1,737 |
| Ohio County, Indiana | Urban | 22.9 | 1,375 | 717 |
| Ohio County, Kentucky | Rural | 18.1 | 4,295 | 2,034 |
| Ohio County, West Virginia | Urban | 22.3 | 9,361 | 817 |
| Okaloosa County, Florida | Urban | 16.4 | 35,106 | 2,467 |
| Okanogan County, Washington | Rural | 22.9 | 9,817 | 717 |
| Okeechobee County, Florida | Rural | 20.1 | 8,072 | 1,396 |
| Okfuskee County, Oklahoma | Rural | 18.3 | 2,063 | 1,968 |
| Oklahoma County, Oklahoma | Urban | 14.2 | 113,476 | 2,846 |
| Okmulgee County, Oklahoma | Urban | 18.4 | 6,789 | 1,938 |
| Oktibbeha County, Mississippi | Rural | 11.9 | 6,121 | 3,053 |
| Oldham County, Kentucky | Urban | 14.1 | 9,643 | 2,857 |
| Oldham County, Texas | Urban | 12.2 | 256 | 3,036 |
| Oliver County, North Dakota | Urban | 25.8 | 470 | 347 |
| Olmsted County, Minnesota | Urban | 16.3 | 26,688 | 2,495 |
| Oneida County, Idaho | Rural | 19.5 | 911 | 1,606 |
| Oneida County, New York | Urban | 19.4 | 44,536 | 1,636 |
| Oneida County, Wisconsin | Rural | 27.5 | 10,448 | 221 |
| Onondaga County, New York | Urban | 18.2 | 85,781 | 2,001 |
| Onslow County, North Carolina | Urban | 9.7 | 20,307 | 3,118 |
| Ontario County, New York | Urban | 21.5 | 24,191 | 1,005 |
| Ontonagon County, Michigan | Rural | 37.8 | 2,216 | 12 |
| Orange County, California | Urban | 15.8 | 498,997 | 2,586 |
| Orange County, Florida | Urban | 12.8 | 183,681 | 2,991 |
| Orange County, Indiana | Rural | 20.3 | 4,011 | 1,328 |
| Orange County, New York | Urban | 14.3 | 57,945 | 2,833 |
| Orange County, North Carolina | Urban | 15.7 | 23,101 | 2,609 |
| Orange County, Texas | Urban | 15.9 | 13,523 | 2,574 |
| Orange County, Vermont | Rural | 22.8 | 6,752 | 726 |
| Orange County, Virginia | Rural | 20.0 | 7,437 | 1,434 |
| Orangeburg County, South Carolina | Rural | 20.6 | 17,227 | 1,240 |
| Oregon County, Missouri | Rural | 22.8 | 1,987 | 726 |
| Orleans County, New York | Urban | 19.0 | 7,542 | 1,737 |
| Orleans County, Vermont | Rural | 23.3 | 6,410 | 653 |
| Orleans Parish, Louisiana | Urban | 16.5 | 61,879 | 2,445 |
| Osage County, Kansas | Urban | 20.6 | 3,250 | 1,240 |
| Osage County, Missouri | Urban | 17.8 | 2,376 | 2,122 |
| Osage County, Oklahoma | Urban | 20.9 | 9,603 | 1,146 |
| Osborne County, Kansas | Rural | 26.3 | 914 | 312 |
| Osceola County, Florida | Urban | 13.4 | 54,492 | 2,930 |
| Osceola County, Iowa | Rural | 22.0 | 1,347 | 877 |
| Osceola County, Michigan | Rural | 21.8 | 5,038 | 928 |
| Oscoda County, Michigan | Rural | 28.5 | 2,377 | 169 |
| Oswego County, New York | Urban | 17.4 | 20,575 | 2,221 |
| Otero County, Colorado | Rural | 21.0 | 3,876 | 1,116 |
| Otero County, New Mexico | Rural | 17.2 | 11,723 | 2,277 |
| Otoe County, Nebraska | Rural | 20.4 | 3,285 | 1,300 |
| Otsego County, Michigan | Rural | 21.7 | 5,504 | 953 |
| Otsego County, New York | Rural | 21.3 | 12,700 | 1,047 |
| Ottawa County, Kansas | Rural | 20.6 | 1,190 | 1,240 |
| Ottawa County, Michigan | Urban | 16.2 | 48,462 | 2,512 |
| Ottawa County, Ohio | Urban | 27.0 | 10,852 | 253 |
| Ottawa County, Oklahoma | Rural | 18.1 | 5,489 | 2,034 |
| Otter Tail County, Minnesota | Rural | 24.8 | 14,970 | 448 |
| Ouachita County, Arkansas | Rural | 21.1 | 4,717 | 1,091 |
| Ouachita Parish, Louisiana | Urban | 15.5 | 24,569 | 2,640 |
| Ouray County, Colorado | Rural | 35.5 | 1,782 | 28 |
| Outagamie County, Wisconsin | Urban | 16.1 | 30,756 | 2,534 |
| Overton County, Tennessee | Rural | 20.2 | 4,600 | 1,354 |
| Owen County, Indiana | Urban | 21.0 | 4,510 | 1,116 |
| Owen County, Kentucky | Rural | 19.8 | 2,233 | 1,519 |
| Owsley County, Kentucky | Rural | 21.1 | 848 | 1,091 |
| Owyhee County, Idaho | Urban | 19.1 | 2,347 | 1,716 |
| Oxford County, Maine | Rural | 23.4 | 13,738 | 635 |
| Ozark County, Missouri | Rural | 29.0 | 2,540 | 142 |
| Ozaukee County, Wisconsin | Urban | 21.0 | 19,423 | 1,116 |
| Pacific County, Washington | Rural | 33.0 | 7,835 | 50 |
| Page County, Iowa | Rural | 23.8 | 3,609 | 569 |
| Page County, Virginia | Rural | 21.8 | 5,174 | 928 |
| Palm Beach County, Florida | Urban | 24.6 | 370,797 | 468 |
| Palo Alto County, Iowa | Rural | 21.9 | 1,949 | 902 |
| Palo Pinto County, Texas | Rural | 20.0 | 5,778 | 1,434 |
| Pamlico County, North Carolina | Rural | 30.7 | 3,775 | 99 |
| Panola County, Mississippi | Rural | 17.1 | 5,634 | 2,293 |
| Panola County, Texas | Rural | 20.4 | 4,623 | 1,300 |
| Park County, Colorado | Urban | 22.8 | 4,047 | 726 |
| Park County, Montana | Rural | 24.2 | 4,229 | 518 |
| Park County, Wyoming | Rural | 24.9 | 7,494 | 441 |
| Parke County, Indiana | Rural | 20.2 | 3,309 | 1,354 |
| Parker County, Texas | Urban | 15.8 | 25,050 | 2,586 |
| Parmer County, Texas | Rural | 15.0 | 1,463 | 2,726 |
| Pasco County, Florida | Urban | 22.0 | 129,661 | 877 |
| Pasquotank County, North Carolina | Rural | 18.1 | 7,382 | 2,034 |
| Passaic County, New Jersey | Urban | 15.5 | 80,387 | 2,640 |
| Patrick County, Virginia | Rural | 27.0 | 4,746 | 253 |
| Paulding County, Georgia | Urban | 11.4 | 19,909 | 3,074 |
| Paulding County, Ohio | Rural | 19.0 | 3,572 | 1,737 |
| Pawnee County, Kansas | Rural | 22.1 | 1,376 | 847 |
| Pawnee County, Nebraska | Rural | 28.4 | 720 | 174 |
| Pawnee County, Oklahoma | Urban | 19.7 | 3,098 | 1,544 |
| Payette County, Idaho | Rural | 19.3 | 5,048 | 1,663 |
| Payne County, Oklahoma | Rural | 13.1 | 10,743 | 2,964 |
| Peach County, Georgia | Urban | 16.4 | 4,629 | 2,467 |
| Pearl River County, Mississippi | Rural | 19.3 | 10,948 | 1,663 |
| Pecos County, Texas | Rural | 13.3 | 1,992 | 2,940 |
| Pembina County, North Dakota | Rural | 25.5 | 1,733 | 382 |
| Pemiscot County, Missouri | Rural | 17.8 | 2,707 | 2,122 |
| Pend Oreille County, Washington | Rural | 27.0 | 3,729 | 253 |
| Pender County, North Carolina | Urban | 18.0 | 11,449 | 2,064 |
| Pendleton County, Kentucky | Urban | 17.0 | 2,496 | 2,320 |
| Pendleton County, West Virginia | Rural | 29.1 | 1,780 | 138 |
| Pennington County, Minnesota | Rural | 18.8 | 2,612 | 1,812 |
| Pennington County, South Dakota | Urban | 19.6 | 21,993 | 1,573 |
| Penobscot County, Maine | Urban | 19.8 | 30,343 | 1,519 |
| Peoria County, Illinois | Urban | 17.9 | 32,237 | 2,093 |
| Pepin County, Wisconsin | Rural | 23.9 | 1,760 | 552 |
| Perkins County, Nebraska | Rural | 23.4 | 662 | 635 |
| Perkins County, South Dakota | Rural | 26.1 | 798 | 326 |
| Perquimans County, North Carolina | Rural | 28.4 | 3,732 | 174 |
| Perry County, Alabama | Rural | 21.0 | 1,731 | 1,116 |
| Perry County, Arkansas | Urban | 20.5 | 2,067 | 1,272 |
| Perry County, Illinois | Rural | 19.8 | 4,125 | 1,519 |
| Perry County, Indiana | Rural | 19.0 | 3,643 | 1,737 |
| Perry County, Kentucky | Rural | 17.7 | 4,919 | 2,153 |
| Perry County, Mississippi | Urban | 19.0 | 2,178 | 1,737 |
| Perry County, Missouri | Rural | 19.3 | 3,660 | 1,663 |
| Perry County, Ohio | Urban | 17.9 | 6,355 | 2,093 |
| Perry County, Pennsylvania | Urban | 19.9 | 9,144 | 1,472 |
| Perry County, Tennessee | Rural | 22.1 | 1,894 | 847 |
| Pershing County, Nevada | Rural | 16.6 | 1,080 | 2,426 |
| Person County, North Carolina | Urban | 21.0 | 8,250 | 1,116 |
| Petersburg Census Area, Alaska | Rural | 22.0 | 746 | 877 |
| Petersburg City, Virginia | Urban | 17.0 | 5,663 | 2,320 |
| Petroleum County, Montana | Rural | 27.9 | 112 | 194 |
| Pettis County, Missouri | Rural | 17.1 | 7,407 | 2,293 |
| Phelps County, Missouri | Rural | 16.8 | 7,551 | 2,373 |
| Phelps County, Nebraska | Rural | 20.6 | 1,851 | 1,240 |
| Philadelphia County, Pennsylvania | Urban | 14.4 | 227,129 | 2,816 |
| Phillips County, Arkansas | Rural | 20.1 | 3,204 | 1,396 |
| Phillips County, Colorado | Rural | 18.0 | 808 | 2,064 |
| Phillips County, Kansas | Rural | 24.6 | 1,200 | 468 |
| Phillips County, Montana | Rural | 23.7 | 1,000 | 583 |
| Piatt County, Illinois | Urban | 20.5 | 3,421 | 1,272 |
| Pickaway County, Ohio | Urban | 16.1 | 9,538 | 2,534 |
| Pickens County, Alabama | Urban | 19.5 | 3,675 | 1,606 |
| Pickens County, Georgia | Urban | 22.4 | 7,660 | 800 |
| Pickens County, South Carolina | Urban | 17.0 | 22,594 | 2,320 |
| Pickett County, Tennessee | Rural | 27.9 | 1,414 | 194 |
| Pierce County, Georgia | Rural | 17.0 | 3,392 | 2,320 |
| Pierce County, Nebraska | Rural | 19.6 | 1,435 | 1,573 |
| Pierce County, North Dakota | Rural | 24.6 | 976 | 468 |
| Pierce County, Washington | Urban | 14.4 | 133,313 | 2,816 |
| Pierce County, Wisconsin | Urban | 16.1 | 6,825 | 2,534 |
| Pike County, Alabama | Rural | 15.4 | 5,090 | 2,662 |
| Pike County, Arkansas | Rural | 20.5 | 2,088 | 1,272 |
| Pike County, Georgia | Urban | 16.0 | 3,121 | 2,557 |
| Pike County, Illinois | Rural | 21.7 | 3,169 | 953 |
| Pike County, Indiana | Rural | 20.9 | 2,546 | 1,146 |
| Pike County, Kentucky | Rural | 19.6 | 11,287 | 1,573 |
| Pike County, Mississippi | Rural | 17.5 | 6,976 | 2,196 |
| Pike County, Missouri | Rural | 18.8 | 3,319 | 1,812 |
| Pike County, Ohio | Rural | 18.4 | 4,974 | 1,938 |
| Pike County, Pennsylvania | Rural | 23.7 | 14,155 | 583 |
| Pima County, Arizona | Urban | 21.2 | 222,074 | 1,070 |
| Pinal County, Arizona | Urban | 21.3 | 95,754 | 1,047 |
| Pine County, Minnesota | Rural | 21.8 | 6,426 | 928 |
| Pinellas County, Florida | Urban | 25.9 | 248,460 | 342 |
| Pipestone County, Minnesota | Rural | 20.6 | 1,928 | 1,240 |
| Piscataquis County, Maine | Rural | 26.9 | 4,608 | 263 |
| Pitkin County, Colorado | Rural | 21.6 | 3,704 | 984 |
| Pitt County, North Carolina | Urban | 14.3 | 24,612 | 2,833 |
| Pittsburg County, Oklahoma | Rural | 19.9 | 8,696 | 1,472 |
| Pittsylvania County, Virginia | Rural | 24.1 | 14,475 | 531 |
| Piute County, Utah | Rural | 28.4 | 484 | 174 |
| Placer County, California | Urban | 20.2 | 83,236 | 1,354 |
| Plaquemines Parish, Louisiana | Urban | 13.9 | 3,214 | 2,876 |
| Platte County, Missouri | Urban | 15.7 | 17,091 | 2,609 |
| Platte County, Nebraska | Rural | 17.8 | 6,128 | 2,122 |
| Platte County, Wyoming | Rural | 26.2 | 2,251 | 319 |
| Pleasants County, West Virginia | Rural | 18.5 | 1,403 | 1,902 |
| Plumas County, California | Rural | 29.8 | 5,848 | 117 |
| Plymouth County, Iowa | Rural | 19.3 | 4,956 | 1,663 |
| Plymouth County, Massachusetts | Urban | 19.2 | 102,175 | 1,694 |
| Pocahontas County, Iowa | Rural | 23.4 | 1,650 | 635 |
| Pocahontas County, West Virginia | Rural | 26.7 | 2,099 | 278 |
| Poinsett County, Arkansas | Urban | 18.4 | 4,174 | 1,938 |
| Pointe Coupee Parish, Louisiana | Urban | 21.7 | 4,439 | 953 |
| Polk County, Arkansas | Rural | 22.5 | 4,359 | 783 |
| Polk County, Florida | Urban | 19.7 | 149,631 | 1,544 |
| Polk County, Georgia | Rural | 15.5 | 6,727 | 2,640 |
| Polk County, Iowa | Urban | 13.7 | 68,026 | 2,891 |
| Polk County, Minnesota | Urban | 18.9 | 5,829 | 1,772 |
| Polk County, Missouri | Urban | 18.1 | 5,815 | 2,034 |
| Polk County, Nebraska | Rural | 23.1 | 1,203 | 686 |
| Polk County, North Carolina | Rural | 32.1 | 6,312 | 65 |
| Polk County, Oregon | Urban | 18.8 | 16,628 | 1,812 |
| Polk County, Tennessee | Urban | 20.7 | 3,665 | 1,214 |
| Polk County, Texas | Rural | 18.9 | 9,797 | 1,772 |
| Polk County, Wisconsin | Rural | 21.9 | 9,935 | 902 |
| Pondera County, Montana | Rural | 21.6 | 1,297 | 984 |
| Pontotoc County, Mississippi | Rural | 15.2 | 4,757 | 2,701 |
| Pontotoc County, Oklahoma | Rural | 17.0 | 6,479 | 2,320 |
| Pope County, Arkansas | Rural | 16.1 | 10,292 | 2,534 |
| Pope County, Illinois | Rural | 26.0 | 978 | 333 |
| Pope County, Minnesota | Rural | 25.1 | 2,849 | 418 |
| Poquoson City, Virginia | Urban | 19.7 | 2,476 | 1,544 |
| Portage County, Ohio | Urban | 17.8 | 28,698 | 2,122 |
| Portage County, Wisconsin | Rural | 17.8 | 12,556 | 2,122 |
| Porter County, Indiana | Urban | 17.7 | 30,874 | 2,153 |
| Portsmouth City, Virginia | Urban | 15.2 | 14,766 | 2,701 |
| Posey County, Indiana | Urban | 20.3 | 5,117 | 1,328 |
| Pottawatomie County, Kansas | Urban | 15.1 | 3,889 | 2,713 |
| Pottawatomie County, Oklahoma | Rural | 16.5 | 12,035 | 2,445 |
| Pottawattamie County, Iowa | Urban | 18.4 | 17,147 | 1,938 |
| Potter County, Pennsylvania | Rural | 25.3 | 4,113 | 399 |
| Potter County, South Dakota | Rural | 27.9 | 678 | 194 |
| Potter County, Texas | Urban | 13.9 | 16,230 | 2,876 |
| Powder River County, Montana | Rural | 31.6 | 557 | 74 |
| Powell County, Kentucky | Rural | 15.7 | 2,048 | 2,609 |
| Powell County, Montana | Rural | 20.9 | 1,470 | 1,146 |
| Power County, Idaho | Rural | 15.7 | 1,255 | 2,609 |
| Poweshiek County, Iowa | Rural | 21.0 | 3,900 | 1,116 |
| Powhatan County, Virginia | Urban | 19.5 | 6,046 | 1,606 |
| Prairie County, Arkansas | Rural | 23.6 | 1,923 | 597 |
| Prairie County, Montana | Rural | 33.9 | 424 | 37 |
| Pratt County, Kansas | Rural | 21.6 | 1,968 | 984 |
| Preble County, Ohio | Rural | 19.8 | 8,085 | 1,519 |
| Prentiss County, Mississippi | Rural | 17.4 | 4,351 | 2,221 |
| Presidio County, Texas | Rural | 21.7 | 1,309 | 953 |
| Presque Isle County, Michigan | Rural | 33.1 | 4,347 | 48 |
| Preston County, West Virginia | Urban | 20.0 | 6,834 | 1,434 |
| Price County, Wisconsin | Rural | 27.8 | 3,916 | 200 |
| Prince Edward County, Virginia | Rural | 16.7 | 3,657 | 2,398 |
| Prince George County, Virginia | Urban | 12.9 | 5,524 | 2,983 |
| Prince Georges County, Maryland | Urban | 14.4 | 138,054 | 2,816 |
| Prince William County, Virginia | Urban | 10.9 | 52,703 | 3,092 |
| Prince of Wales-Hyder Census Area, Alaska | Rural | 20.3 | 1,164 | 1,328 |
| Providence County, Rhode Island | Urban | 16.0 | 105,399 | 2,557 |
| Prowers County, Colorado | Rural | 18.6 | 2,223 | 1,871 |
| Pueblo County, Colorado | Urban | 19.4 | 32,738 | 1,636 |
| Puerto Rico | Urban | 22.7 | 740,397 | 747 |
| Pulaski County, Arkansas | Urban | 16.3 | 64,832 | 2,495 |
| Pulaski County, Georgia | Rural | 23.2 | 2,292 | 668 |
| Pulaski County, Illinois | Rural | 22.7 | 1,154 | 747 |
| Pulaski County, Indiana | Rural | 20.9 | 2,595 | 1,146 |
| Pulaski County, Kentucky | Rural | 19.3 | 12,652 | 1,663 |
| Pulaski County, Missouri | Rural | 9.6 | 5,169 | 3,120 |
| Pulaski County, Virginia | Urban | 22.7 | 7,656 | 747 |
| Pushmataha County, Oklahoma | Rural | 22.6 | 2,439 | 764 |
| Putnam County, Florida | Rural | 23.5 | 17,472 | 617 |
| Putnam County, Georgia | Rural | 24.5 | 5,515 | 482 |
| Putnam County, Illinois | Rural | 23.9 | 1,336 | 552 |
| Putnam County, Indiana | Rural | 17.3 | 6,432 | 2,252 |
| Putnam County, Missouri | Rural | 25.1 | 1,173 | 418 |
| Putnam County, New York | Urban | 18.7 | 18,321 | 1,845 |
| Putnam County, Ohio | Rural | 18.3 | 6,287 | 1,968 |
| Putnam County, Tennessee | Rural | 16.4 | 13,333 | 2,467 |
| Putnam County, West Virginia | Urban | 19.3 | 11,038 | 1,663 |
| Quay County, New Mexico | Rural | 25.8 | 2,225 | 347 |
| Queen Annes County, Maryland | Urban | 20.2 | 10,311 | 1,354 |
| Queens County, New York | Urban | 17.2 | 399,780 | 2,277 |
| Quitman County, Georgia | Rural | 33.4 | 698 | 45 |
| Quitman County, Mississippi | Rural | 18.2 | 1,077 | 2,001 |
| Rabun County, Georgia | Rural | 28.5 | 4,867 | 169 |
| Racine County, Wisconsin | Urban | 17.7 | 34,757 | 2,153 |
| Radford City, Virginia | Urban | 9.4 | 1,549 | 3,123 |
| Rains County, Texas | Rural | 24.2 | 3,030 | 518 |
| Raleigh County, West Virginia | Urban | 21.7 | 16,012 | 953 |
| Ralls County, Missouri | Rural | 22.8 | 2,372 | 726 |
| Ramsey County, Minnesota | Urban | 15.4 | 83,721 | 2,662 |
| Ramsey County, North Dakota | Rural | 21.7 | 2,510 | 953 |
| Randall County, Texas | Urban | 15.7 | 22,506 | 2,609 |
| Randolph County, Alabama | Rural | 20.7 | 4,626 | 1,214 |
| Randolph County, Arkansas | Rural | 19.4 | 3,642 | 1,636 |
| Randolph County, Georgia | Rural | 21.0 | 1,315 | 1,116 |
| Randolph County, Illinois | Rural | 20.8 | 6,276 | 1,178 |
| Randolph County, Indiana | Rural | 20.3 | 4,950 | 1,328 |
| Randolph County, Missouri | Rural | 17.1 | 4,197 | 2,293 |
| Randolph County, North Carolina | Urban | 18.1 | 26,369 | 2,034 |
| Randolph County, West Virginia | Rural | 22.4 | 6,228 | 800 |
| Rankin County, Mississippi | Urban | 16.3 | 25,835 | 2,495 |
| Ransom County, North Dakota | Rural | 21.6 | 1,222 | 984 |
| Rapides Parish, Louisiana | Urban | 16.7 | 21,434 | 2,398 |
| Rappahannock County, Virginia | Urban | 26.6 | 1,973 | 285 |
| Ravalli County, Montana | Rural | 26.5 | 12,124 | 296 |
| Rawlins County, Kansas | Rural | 27.6 | 700 | 212 |
| Ray County, Missouri | Urban | 18.8 | 4,343 | 1,812 |
| Reagan County, Texas | Rural | 9.3 | 303 | 3,125 |
| Real County, Texas | Rural | 35.9 | 1,014 | 25 |
| Red Lake County, Minnesota | Rural | 22.1 | 866 | 847 |
| Red River County, Texas | Rural | 25.6 | 2,970 | 369 |
| Red River Parish, Louisiana | Rural | 19.4 | 1,463 | 1,636 |
| Red Willow County, Nebraska | Rural | 21.0 | 2,225 | 1,116 |
| Redwood County, Minnesota | Rural | 22.1 | 3,393 | 847 |
| Reeves County, Texas | Rural | 12.3 | 1,622 | 3,031 |
| Refugio County, Texas | Rural | 22.5 | 1,505 | 783 |
| Reno County, Kansas | Rural | 20.3 | 12,535 | 1,328 |
| Rensselaer County, New York | Urban | 17.9 | 28,650 | 2,093 |
| Renville County, Minnesota | Rural | 21.5 | 3,134 | 1,005 |
| Renville County, North Dakota | Urban | 20.0 | 456 | 1,434 |
| Republic County, Kansas | Rural | 26.4 | 1,230 | 304 |
| Reynolds County, Missouri | Rural | 23.3 | 1,413 | 653 |
| Rhea County, Tennessee | Rural | 19.3 | 6,440 | 1,663 |
| Rice County, Kansas | Rural | 19.6 | 1,837 | 1,573 |
| Rice County, Minnesota | Rural | 16.4 | 11,067 | 2,467 |
| Rich County, Utah | Rural | 21.2 | 548 | 1,070 |
| Richardson County, Nebraska | Rural | 24.4 | 1,904 | 494 |
| Richland County, Illinois | Rural | 20.5 | 3,211 | 1,272 |
| Richland County, Montana | Rural | 17.2 | 1,944 | 2,277 |
| Richland County, North Dakota | Rural | 19.6 | 3,239 | 1,573 |
| Richland County, Ohio | Urban | 19.8 | 24,763 | 1,519 |
| Richland County, South Carolina | Urban | 13.7 | 57,401 | 2,891 |
| Richland County, Wisconsin | Rural | 24.4 | 4,199 | 494 |
| Richland Parish, Louisiana | Urban | 18.0 | 3,574 | 2,064 |
| Richmond City, Virginia | Urban | 13.6 | 31,008 | 2,906 |
| Richmond County, Georgia | Urban | 14.9 | 30,664 | 2,744 |
| Richmond County, New York | Urban | 16.8 | 82,903 | 2,373 |
| Richmond County, North Carolina | Rural | 17.9 | 7,646 | 2,093 |
| Richmond County, Virginia | Rural | 20.2 | 1,828 | 1,354 |
| Riley County, Kansas | Urban | 9.8 | 7,015 | 3,113 |
| Ringgold County, Iowa | Rural | 23.1 | 1,077 | 686 |
| Rio Arriba County, New Mexico | Rural | 21.2 | 8,506 | 1,070 |
| Rio Blanco County, Colorado | Rural | 16.9 | 1,099 | 2,348 |
| Rio Grande County, Colorado | Rural | 22.1 | 2,516 | 847 |
| Ripley County, Indiana | Rural | 18.5 | 5,369 | 1,902 |
| Ripley County, Missouri | Rural | 20.2 | 2,168 | 1,354 |
| Ritchie County, West Virginia | Rural | 23.3 | 1,953 | 653 |
| Riverside County, California | Urban | 15.1 | 371,046 | 2,713 |
| Roane County, Tennessee | Urban | 23.2 | 12,636 | 668 |
| Roane County, West Virginia | Rural | 23.0 | 3,201 | 701 |
| Roanoke City, Virginia | Urban | 17.5 | 17,227 | 2,196 |
| Roanoke County, Virginia | Urban | 21.8 | 21,104 | 928 |
| Roberts County, South Dakota | Rural | 20.6 | 2,101 | 1,240 |
| Roberts County, Texas | Rural | 16.8 | 132 | 2,373 |
| Robertson County, Kentucky | Rural | 18.8 | 420 | 1,812 |
| Robertson County, Tennessee | Urban | 14.8 | 10,997 | 2,760 |
| Robertson County, Texas | Urban | 20.2 | 3,428 | 1,354 |
| Robeson County, North Carolina | Rural | 15.8 | 18,490 | 2,586 |
| Rock County, Minnesota | Urban | 20.0 | 1,928 | 1,434 |
| Rock County, Nebraska | Rural | 25.6 | 342 | 369 |
| Rock County, Wisconsin | Urban | 17.3 | 28,396 | 2,252 |
| Rock Island County, Illinois | Urban | 20.1 | 28,691 | 1,396 |
| Rockbridge County, Virginia | Rural | 26.8 | 6,048 | 272 |
| Rockcastle County, Kentucky | Rural | 19.2 | 3,106 | 1,694 |
| Rockdale County, Georgia | Urban | 15.4 | 14,552 | 2,662 |
| Rockingham County, New Hampshire | Urban | 19.5 | 62,005 | 1,606 |
| Rockingham County, North Carolina | Urban | 20.8 | 19,008 | 1,178 |
| Rockingham County, Virginia | Urban | 19.8 | 16,792 | 1,519 |
| Rockland County, New York | Urban | 15.6 | 52,835 | 2,625 |
| Rockwall County, Texas | Urban | 12.5 | 14,564 | 3,019 |
| Roger Mills County, Oklahoma | Rural | 22.0 | 743 | 877 |
| Rogers County, Oklahoma | Urban | 16.9 | 16,444 | 2,348 |
| Rolette County, North Dakota | Rural | 13.0 | 1,570 | 2,976 |
| Rooks County, Kansas | Rural | 23.4 | 1,140 | 635 |
| Roosevelt County, Montana | Rural | 11.9 | 1,268 | 3,053 |
| Roosevelt County, New Mexico | Rural | 14.7 | 2,797 | 2,773 |
| Roscommon County, Michigan | Rural | 33.8 | 7,980 | 40 |
| Roseau County, Minnesota | Rural | 18.5 | 2,829 | 1,902 |
| Rosebud County, Montana | Rural | 16.7 | 1,377 | 2,398 |
| Ross County, Ohio | Rural | 17.5 | 13,432 | 2,196 |
| Routt County, Colorado | Rural | 17.6 | 4,388 | 2,177 |
| Rowan County, Kentucky | Rural | 14.2 | 3,492 | 2,846 |
| Rowan County, North Carolina | Urban | 17.5 | 26,006 | 2,196 |
| Runnels County, Texas | Rural | 20.9 | 2,067 | 1,146 |
| Rush County, Indiana | Rural | 18.9 | 3,170 | 1,772 |
| Rush County, Kansas | Rural | 25.3 | 747 | 399 |
| Rusk County, Texas | Urban | 17.1 | 9,007 | 2,293 |
| Rusk County, Wisconsin | Rural | 25.4 | 3,589 | 390 |
| Russell County, Alabama | Urban | 15.2 | 8,948 | 2,701 |
| Russell County, Kansas | Rural | 25.8 | 1,733 | 347 |
| Russell County, Kentucky | Rural | 20.6 | 3,729 | 1,240 |
| Russell County, Virginia | Rural | 23.0 | 5,895 | 701 |
| Rutherford County, North Carolina | Rural | 22.1 | 14,334 | 847 |
| Rutherford County, Tennessee | Urban | 10.9 | 38,385 | 3,092 |
| Rutland County, Vermont | Rural | 24.0 | 14,500 | 536 |
| Sabine County, Texas | Rural | 29.8 | 2,977 | 117 |
| Sabine Parish, Louisiana | Rural | 21.0 | 4,641 | 1,116 |
| Sac County, Iowa | Rural | 23.9 | 2,330 | 552 |
| Sacramento County, California | Urban | 14.9 | 236,467 | 2,744 |
| Sagadahoc County, Maine | Urban | 24.0 | 8,906 | 536 |
| Saginaw County, Michigan | Urban | 19.9 | 37,697 | 1,472 |
| Saguache County, Colorado | Rural | 26.5 | 1,726 | 296 |
| Salem City, Virginia | Urban | 19.5 | 4,965 | 1,606 |
| Salem County, New Jersey | Urban | 18.9 | 12,294 | 1,772 |
| Saline County, Arkansas | Urban | 18.2 | 22,835 | 2,001 |
| Saline County, Illinois | Rural | 20.9 | 4,890 | 1,146 |
| Saline County, Kansas | Rural | 18.5 | 9,952 | 1,902 |
| Saline County, Missouri | Rural | 17.4 | 4,039 | 2,221 |
| Saline County, Nebraska | Rural | 15.5 | 2,274 | 2,640 |
| Salt Lake County, Utah | Urban | 11.6 | 137,137 | 3,062 |
| Saluda County, South Carolina | Urban | 20.1 | 3,819 | 1,396 |
| Sampson County, North Carolina | Rural | 18.0 | 10,636 | 2,064 |
| San Augustine County, Texas | Rural | 27.1 | 2,136 | 246 |
| San Benito County, California | Urban | 13.5 | 8,900 | 2,918 |
| San Bernardino County, California | Urban | 12.3 | 269,001 | 3,031 |
| San Diego County, California | Urban | 15.0 | 493,837 | 2,726 |
| San Francisco County, California | Urban | 17.2 | 143,605 | 2,277 |
| San Jacinto County, Texas | Urban | 21.1 | 5,914 | 1,091 |
| San Joaquin County, California | Urban | 13.3 | 104,481 | 2,940 |
| San Juan County, Colorado | Rural | 20.7 | 143 | 1,214 |
| San Juan County, New Mexico | Urban | 16.3 | 19,760 | 2,495 |
| San Juan County, Utah | Rural | 16.2 | 2,342 | 2,512 |
| San Juan County, Washington | Rural | 35.0 | 6,402 | 29 |
| San Luis Obispo County, California | Urban | 21.6 | 60,708 | 984 |
| San Mateo County, California | Urban | 17.3 | 128,893 | 2,252 |
| San Miguel County, Colorado | Rural | 17.3 | 1,391 | 2,252 |
| San Miguel County, New Mexico | Rural | 24.4 | 6,604 | 494 |
| San Patricio County, Texas | Urban | 15.4 | 10,685 | 2,662 |
| San Saba County, Texas | Rural | 22.5 | 1,303 | 783 |
| Sanborn County, South Dakota | Rural | 20.0 | 475 | 1,434 |
| Sanders County, Montana | Rural | 32.4 | 4,185 | 57 |
| Sandoval County, New Mexico | Urban | 19.6 | 29,710 | 1,573 |
| Sandusky County, Ohio | Rural | 19.9 | 11,669 | 1,472 |
| Sangamon County, Illinois | Urban | 18.9 | 36,885 | 1,772 |
| Sanilac County, Michigan | Rural | 22.6 | 9,181 | 764 |
| Sanpete County, Utah | Rural | 14.4 | 4,193 | 2,816 |
| Santa Barbara County, California | Urban | 16.2 | 71,982 | 2,512 |
| Santa Clara County, California | Urban | 14.4 | 273,921 | 2,816 |
| Santa Cruz County, Arizona | Rural | 18.9 | 9,123 | 1,772 |
| Santa Cruz County, California | Urban | 18.3 | 48,784 | 1,968 |
| Santa Fe County, New Mexico | Urban | 27.3 | 42,341 | 233 |
| Santa Rosa County, Florida | Urban | 16.5 | 31,890 | 2,445 |
| Sarasota County, Florida | Urban | 37.3 | 167,531 | 14 |
| Saratoga County, New York | Urban | 19.4 | 45,947 | 1,636 |
| Sargent County, North Dakota | Rural | 22.7 | 867 | 747 |
| Sarpy County, Nebraska | Urban | 12.5 | 24,234 | 3,019 |
| Sauk County, Wisconsin | Rural | 19.3 | 12,715 | 1,663 |
| Saunders County, Nebraska | Urban | 18.2 | 4,149 | 2,001 |
| Sawyer County, Wisconsin | Rural | 27.8 | 5,066 | 200 |
| Schenectady County, New York | Urban | 17.6 | 28,091 | 2,177 |
| Schleicher County, Texas | Rural | 21.4 | 518 | 1,021 |
| Schley County, Georgia | Rural | 15.5 | 704 | 2,640 |
| Schoharie County, New York | Urban | 23.3 | 6,984 | 653 |
| Schoolcraft County, Michigan | Rural | 28.2 | 2,280 | 185 |
| Schuyler County, Illinois | Rural | 25.2 | 1,717 | 409 |
| Schuyler County, Missouri | Rural | 18.9 | 763 | 1,772 |
| Schuyler County, New York | Rural | 22.5 | 3,995 | 783 |
| Schuylkill County, Pennsylvania | Rural | 20.8 | 29,838 | 1,178 |
| Scioto County, Ohio | Rural | 18.5 | 13,529 | 1,902 |
| Scotland County, Missouri | Rural | 19.0 | 892 | 1,737 |
| Scotland County, North Carolina | Rural | 17.9 | 6,134 | 2,093 |
| Scott County, Arkansas | Rural | 21.2 | 2,082 | 1,070 |
| Scott County, Illinois | Rural | 20.6 | 1,000 | 1,240 |
| Scott County, Indiana | Rural | 17.0 | 4,153 | 2,320 |
| Scott County, Iowa | Urban | 17.1 | 29,851 | 2,293 |
| Scott County, Kansas | Rural | 20.3 | 1,029 | 1,328 |
| Scott County, Kentucky | Urban | 13.0 | 7,556 | 2,976 |
| Scott County, Minnesota | Urban | 12.3 | 18,807 | 3,031 |
| Scott County, Mississippi | Urban | 15.9 | 4,424 | 2,574 |
| Scott County, Missouri | Rural | 18.4 | 6,995 | 1,938 |
| Scott County, Tennessee | Rural | 16.9 | 3,721 | 2,348 |
| Scott County, Virginia | Urban | 25.0 | 5,382 | 424 |
| Scotts Bluff County, Nebraska | Rural | 20.4 | 7,342 | 1,300 |
| Screven County, Georgia | Rural | 20.2 | 2,846 | 1,354 |
| Scurry County, Texas | Rural | 15.4 | 2,560 | 2,662 |
| Searcy County, Arkansas | Rural | 25.7 | 2,022 | 359 |
| Sebastian County, Arkansas | Urban | 16.7 | 21,507 | 2,398 |
| Sedgwick County, Colorado | Rural | 24.5 | 574 | 482 |
| Sedgwick County, Kansas | Urban | 15.5 | 81,088 | 2,640 |
| Seminole County, Florida | Urban | 16.3 | 77,479 | 2,495 |
| Seminole County, Georgia | Rural | 24.9 | 2,273 | 441 |
| Seminole County, Oklahoma | Rural | 18.2 | 4,297 | 2,001 |
| Seneca County, New York | Rural | 20.8 | 6,882 | 1,178 |
| Seneca County, Ohio | Rural | 18.7 | 10,235 | 1,845 |
| Sequatchie County, Tennessee | Urban | 21.1 | 3,467 | 1,091 |
| Sequoyah County, Oklahoma | Urban | 18.5 | 7,347 | 1,902 |
| Sevier County, Arkansas | Rural | 14.3 | 2,254 | 2,833 |
| Sevier County, Tennessee | Rural | 19.9 | 19,698 | 1,472 |
| Sevier County, Utah | Rural | 16.7 | 3,656 | 2,398 |
| Seward County, Kansas | Rural | 10.4 | 2,245 | 3,102 |
| Seward County, Nebraska | Urban | 17.8 | 3,132 | 2,122 |
| Shackelford County, Texas | Rural | 20.2 | 641 | 1,354 |
| Shannon County, Missouri | Rural | 22.6 | 1,610 | 764 |
| Sharkey County, Mississippi | Rural | 18.8 | 722 | 1,812 |
| Sharp County, Arkansas | Rural | 25.5 | 4,480 | 382 |
| Shasta County, California | Urban | 21.2 | 38,580 | 1,070 |
| Shawano County, Wisconsin | Rural | 21.8 | 8,939 | 928 |
| Shawnee County, Kansas | Urban | 19.0 | 33,819 | 1,737 |
| Sheboygan County, Wisconsin | Urban | 19.1 | 22,510 | 1,716 |
| Shelby County, Alabama | Urban | 16.4 | 37,189 | 2,467 |
| Shelby County, Illinois | Rural | 23.5 | 4,899 | 617 |
| Shelby County, Indiana | Urban | 17.9 | 8,067 | 2,093 |
| Shelby County, Iowa | Rural | 23.2 | 2,727 | 668 |
| Shelby County, Kentucky | Urban | 16.8 | 8,183 | 2,373 |
| Shelby County, Missouri | Rural | 21.7 | 1,303 | 953 |
| Shelby County, Ohio | Rural | 17.6 | 8,440 | 2,177 |
| Shelby County, Tennessee | Urban | 14.4 | 132,606 | 2,816 |
| Shelby County, Texas | Rural | 17.7 | 4,276 | 2,153 |
| Shenandoah County, Virginia | Rural | 21.9 | 9,769 | 902 |
| Sherburne County, Minnesota | Urban | 12.0 | 11,912 | 3,049 |
| Sheridan County, Kansas | Rural | 23.2 | 566 | 668 |
| Sheridan County, Montana | Rural | 22.8 | 839 | 726 |
| Sheridan County, Nebraska | Rural | 27.2 | 1,374 | 239 |
| Sheridan County, North Dakota | Rural | 31.7 | 420 | 73 |
| Sheridan County, Wyoming | Rural | 22.1 | 6,974 | 847 |
| Sherman County, Kansas | Rural | 20.5 | 1,213 | 1,272 |
| Sherman County, Nebraska | Rural | 27.5 | 818 | 221 |
| Sherman County, Oregon | Rural | 22.7 | 433 | 747 |
| Sherman County, Texas | Rural | 16.4 | 399 | 2,467 |
| Shiawassee County, Michigan | Rural | 19.5 | 13,253 | 1,606 |
| Shoshone County, Idaho | Rural | 22.8 | 3,092 | 726 |
| Sibley County, Minnesota | Rural | 19.0 | 2,841 | 1,737 |
| Sierra County, California | Rural | 34.5 | 942 | 30 |
| Sierra County, New Mexico | Rural | 36.9 | 4,251 | 17 |
| Silver Bow County, Montana | Rural | 19.2 | 6,849 | 1,694 |
| Simpson County, Kentucky | Rural | 16.0 | 3,167 | 2,557 |
| Simpson County, Mississippi | Urban | 18.7 | 4,823 | 1,845 |
| Sioux County, Iowa | Rural | 15.9 | 5,727 | 2,574 |
| Sioux County, Nebraska | Rural | 23.9 | 286 | 552 |
| Sioux County, North Dakota | Rural | 9.2 | 349 | 3,127 |
| Siskiyou County, California | Rural | 27.2 | 11,903 | 239 |
| Sitka Borough, Alaska | Rural | 17.3 | 1,449 | 2,252 |
| Skagit County, Washington | Urban | 22.1 | 28,810 | 847 |
| Skagway Municipality, Alaska | Rural | 17.8 | 233 | 2,122 |
| Skamania County, Washington | Urban | 23.4 | 2,872 | 635 |
| Slope County, North Dakota | Rural | 27.5 | 219 | 221 |
| Smith County, Kansas | Rural | 28.8 | 1,030 | 156 |
| Smith County, Mississippi | Rural | 20.7 | 2,945 | 1,214 |
| Smith County, Tennessee | Urban | 16.4 | 3,321 | 2,467 |
| Smith County, Texas | Urban | 17.1 | 40,819 | 2,293 |
| Smyth County, Virginia | Rural | 22.7 | 6,728 | 747 |
| Snohomish County, Washington | Urban | 14.4 | 120,158 | 2,816 |
| Snyder County, Pennsylvania | Rural | 20.0 | 7,943 | 1,434 |
| Socorro County, New Mexico | Rural | 20.2 | 3,288 | 1,354 |
| Solano County, California | Urban | 16.9 | 76,287 | 2,348 |
| Somerset County, Maine | Rural | 22.6 | 11,494 | 764 |
| Somerset County, Maryland | Urban | 17.3 | 4,278 | 2,252 |
| Somerset County, New Jersey | Urban | 16.6 | 57,335 | 2,426 |
| Somerset County, Pennsylvania | Rural | 23.5 | 17,188 | 617 |
| Somervell County, Texas | Rural | 19.6 | 1,861 | 1,573 |
| Sonoma County, California | Urban | 21.0 | 101,805 | 1,116 |
| Southampton County, Virginia | Rural | 21.4 | 3,851 | 1,021 |
| Southeast Fairbanks Census Area, Alaska | Rural | 15.8 | 1,099 | 2,586 |
| Spalding County, Georgia | Urban | 18.8 | 12,797 | 1,812 |
| Spartanburg County, South Carolina | Urban | 16.2 | 54,742 | 2,512 |
| Spencer County, Indiana | Rural | 20.2 | 4,023 | 1,354 |
| Spencer County, Kentucky | Urban | 15.0 | 2,981 | 2,726 |
| Spink County, South Dakota | Rural | 23.9 | 1,499 | 552 |
| Spokane County, Washington | Urban | 17.0 | 92,555 | 2,320 |
| Spotsylvania County, Virginia | Urban | 14.8 | 21,319 | 2,760 |
| St. Bernard Parish, Louisiana | Urban | 12.7 | 5,622 | 3,000 |
| St. Charles County, Missouri | Urban | 16.4 | 67,389 | 2,467 |
| St. Charles Parish, Louisiana | Urban | 14.9 | 7,715 | 2,744 |
| St. Clair County, Alabama | Urban | 17.5 | 16,285 | 2,196 |
| St. Clair County, Illinois | Urban | 16.8 | 42,724 | 2,373 |
| St. Clair County, Michigan | Urban | 19.8 | 31,644 | 1,519 |
| St. Clair County, Missouri | Rural | 25.8 | 2,439 | 347 |
| St. Croix County, Wisconsin | Urban | 15.3 | 14,531 | 2,688 |
| St. Francis County, Arkansas | Rural | 17.6 | 4,011 | 2,177 |
| St. Francois County, Missouri | Rural | 16.9 | 11,304 | 2,348 |
| St. Helena Parish, Louisiana | Urban | 20.6 | 2,235 | 1,240 |
| St. James Parish, Louisiana | Urban | 19.0 | 3,759 | 1,737 |
| St. John the Baptist Parish, Louisiana | Urban | 14.9 | 6,169 | 2,744 |
| St. Johns County, Florida | Urban | 20.9 | 60,957 | 1,146 |
| St. Joseph County, Indiana | Urban | 16.5 | 45,036 | 2,445 |
| St. Joseph County, Michigan | Rural | 18.5 | 11,273 | 1,902 |
| St. Landry Parish, Louisiana | Rural | 16.6 | 13,649 | 2,426 |
| St. Lawrence County, New York | Rural | 18.4 | 19,814 | 1,938 |
| St. Louis City, Missouri | Urban | 14.9 | 43,622 | 2,744 |
| St. Louis County, Minnesota | Urban | 20.8 | 41,674 | 1,178 |
| St. Louis County, Missouri | Urban | 18.7 | 186,150 | 1,845 |
| St. Lucie County, Florida | Urban | 24.5 | 84,733 | 482 |
| St. Martin Parish, Louisiana | Urban | 16.6 | 8,544 | 2,426 |
| St. Mary Parish, Louisiana | Rural | 18.0 | 8,704 | 2,064 |
| St. Marys County, Maryland | Urban | 13.7 | 15,711 | 2,891 |
| St. Tammany Parish, Louisiana | Urban | 18.0 | 48,517 | 2,064 |
| Stafford County, Kansas | Rural | 21.8 | 874 | 928 |
| Stafford County, Virginia | Urban | 11.1 | 17,825 | 3,086 |
| Stanislaus County, California | Urban | 13.6 | 74,905 | 2,906 |
| Stanley County, South Dakota | Rural | 22.4 | 675 | 800 |
| Stanly County, North Carolina | Rural | 19.0 | 12,102 | 1,737 |
| Stanton County, Kansas | Rural | 13.5 | 273 | 2,918 |
| Stanton County, Nebraska | Rural | 20.2 | 1,179 | 1,354 |
| Stark County, Illinois | Urban | 22.8 | 1,216 | 726 |
| Stark County, North Dakota | Rural | 13.5 | 4,455 | 2,918 |
| Stark County, Ohio | Urban | 20.1 | 75,100 | 1,396 |
| Starke County, Indiana | Rural | 19.9 | 4,631 | 1,472 |
| Starr County, Texas | Rural | 11.2 | 7,386 | 3,081 |
| Staunton City, Virginia | Urban | 21.0 | 5,409 | 1,116 |
| Ste. Genevieve County, Missouri | Rural | 20.8 | 3,866 | 1,178 |
| Stearns County, Minnesota | Urban | 15.8 | 25,129 | 2,586 |
| Steele County, Minnesota | Rural | 18.7 | 6,994 | 1,845 |
| Steele County, North Dakota | Rural | 28.8 | 499 | 156 |
| Stephens County, Georgia | Rural | 20.5 | 5,514 | 1,272 |
| Stephens County, Oklahoma | Rural | 20.4 | 8,833 | 1,300 |
| Stephens County, Texas | Rural | 19.7 | 1,831 | 1,544 |
| Stephenson County, Illinois | Rural | 23.9 | 10,543 | 552 |
| Sterling County, Texas | Rural | 13.2 | 184 | 2,955 |
| Steuben County, Indiana | Rural | 21.3 | 7,386 | 1,047 |
| Steuben County, New York | Rural | 20.3 | 18,895 | 1,328 |
| Stevens County, Kansas | Rural | 17.1 | 891 | 2,293 |
| Stevens County, Minnesota | Rural | 16.7 | 1,620 | 2,398 |
| Stevens County, Washington | Urban | 24.7 | 11,717 | 456 |
| Stewart County, Georgia | Urban | 15.8 | 785 | 2,586 |
| Stewart County, Tennessee | Urban | 21.0 | 2,911 | 1,116 |
| Stillwater County, Montana | Urban | 25.0 | 2,259 | 424 |
| Stoddard County, Missouri | Rural | 20.4 | 5,817 | 1,300 |
| Stokes County, North Carolina | Urban | 22.5 | 10,099 | 783 |
| Stone County, Arkansas | Rural | 27.8 | 3,462 | 200 |
| Stone County, Mississippi | Urban | 17.4 | 3,229 | 2,221 |
| Stone County, Missouri | Rural | 31.3 | 9,927 | 81 |
| Stonewall County, Texas | Rural | 25.6 | 319 | 369 |
| Storey County, Nevada | Urban | 39.0 | 1,616 | 10 |
| Story County, Iowa | Urban | 13.0 | 12,773 | 2,976 |
| Strafford County, New Hampshire | Urban | 16.5 | 21,771 | 2,445 |
| Stutsman County, North Dakota | Rural | 20.1 | 4,329 | 1,396 |
| Sublette County, Wyoming | Rural | 23.5 | 2,069 | 617 |
| Suffolk City, Virginia | Urban | 15.0 | 14,496 | 2,726 |
| Suffolk County, Massachusetts | Urban | 13.0 | 101,416 | 2,976 |
| Suffolk County, New York | Urban | 17.5 | 266,533 | 2,196 |
| Sullivan County, Indiana | Urban | 18.5 | 3,838 | 1,902 |
| Sullivan County, Missouri | Rural | 20.5 | 1,213 | 1,272 |
| Sullivan County, New Hampshire | Rural | 23.1 | 10,062 | 686 |
| Sullivan County, New York | Rural | 19.0 | 15,058 | 1,737 |
| Sullivan County, Pennsylvania | Rural | 30.4 | 1,781 | 104 |
| Sullivan County, Tennessee | Urban | 22.0 | 35,212 | 877 |
| Sully County, South Dakota | Rural | 23.8 | 353 | 569 |
| Summers County, West Virginia | Rural | 26.8 | 3,169 | 272 |
| Summit County, Colorado | Rural | 15.4 | 4,739 | 2,662 |
| Summit County, Ohio | Urban | 19.0 | 102,113 | 1,737 |
| Summit County, Utah | Rural | 14.7 | 6,262 | 2,773 |
| Sumner County, Kansas | Urban | 19.1 | 4,278 | 1,716 |
| Sumner County, Tennessee | Urban | 16.4 | 32,822 | 2,467 |
| Sumter County, Alabama | Rural | 19.2 | 2,312 | 1,694 |
| Sumter County, Florida | Urban | 57.8 | 79,463 | 2 |
| Sumter County, Georgia | Rural | 17.3 | 5,036 | 2,252 |
| Sumter County, South Carolina | Urban | 17.4 | 18,224 | 2,221 |
| Sunflower County, Mississippi | Rural | 14.8 | 3,740 | 2,760 |
| Surry County, North Carolina | Rural | 20.6 | 14,719 | 1,240 |
| Surry County, Virginia | Urban | 24.7 | 1,620 | 456 |
| Susquehanna County, Pennsylvania | Rural | 24.7 | 9,482 | 456 |
| Sussex County, Delaware | Rural | 29.5 | 73,050 | 128 |
| Sussex County, New Jersey | Urban | 18.4 | 26,774 | 1,938 |
| Sussex County, Virginia | Urban | 19.1 | 2,058 | 1,716 |
| Sutter County, California | Urban | 16.1 | 15,927 | 2,534 |
| Sutton County, Texas | Rural | 15.9 | 527 | 2,574 |
| Suwannee County, Florida | Rural | 21.1 | 9,368 | 1,091 |
| Swain County, North Carolina | Rural | 19.7 | 2,771 | 1,544 |
| Sweet Grass County, Montana | Rural | 23.4 | 869 | 635 |
| Sweetwater County, Wyoming | Rural | 14.1 | 5,902 | 2,857 |
| Swift County, Minnesota | Rural | 23.5 | 2,298 | 617 |
| Swisher County, Texas | Rural | 17.6 | 1,228 | 2,177 |
| Switzerland County, Indiana | Rural | 18.5 | 1,832 | 1,902 |
| Talbot County, Georgia | Urban | 26.9 | 1,547 | 263 |
| Talbot County, Maryland | Rural | 29.3 | 11,060 | 133 |
| Taliaferro County, Georgia | Rural | 27.1 | 471 | 246 |
| Talladega County, Alabama | Rural | 18.9 | 15,357 | 1,772 |
| Tallahatchie County, Mississippi | Rural | 17.1 | 2,111 | 2,293 |
| Tallapoosa County, Alabama | Rural | 22.7 | 9,342 | 747 |
| Tama County, Iowa | Rural | 20.4 | 3,469 | 1,300 |
| Taney County, Missouri | Rural | 22.3 | 12,577 | 817 |
| Tangipahoa Parish, Louisiana | Urban | 15.0 | 20,261 | 2,726 |
| Taos County, New Mexico | Rural | 29.7 | 10,244 | 120 |
| Tarrant County, Texas | Urban | 12.0 | 256,473 | 3,049 |
| Tate County, Mississippi | Urban | 16.5 | 4,630 | 2,445 |
| Tattnall County, Georgia | Rural | 15.2 | 3,691 | 2,701 |
| Taylor County, Florida | Rural | 20.9 | 4,467 | 1,146 |
| Taylor County, Georgia | Rural | 21.5 | 1,673 | 1,005 |
| Taylor County, Iowa | Rural | 22.6 | 1,335 | 764 |
| Taylor County, Kentucky | Rural | 17.8 | 4,660 | 2,122 |
| Taylor County, Texas | Urban | 14.8 | 21,297 | 2,760 |
| Taylor County, West Virginia | Rural | 20.9 | 3,458 | 1,146 |
| Taylor County, Wisconsin | Rural | 20.7 | 4,129 | 1,214 |
| Tazewell County, Illinois | Urban | 19.5 | 25,516 | 1,606 |
| Tazewell County, Virginia | Rural | 23.3 | 9,288 | 653 |
| Tehama County, California | Rural | 20.0 | 13,075 | 1,434 |
| Telfair County, Georgia | Rural | 17.9 | 2,181 | 2,093 |
| Teller County, Colorado | Urban | 24.2 | 5,989 | 518 |
| Tensas Parish, Louisiana | Rural | 27.1 | 1,081 | 246 |
| Terrebonne Parish, Louisiana | Urban | 15.4 | 16,549 | 2,662 |
| Terrell County, Georgia | Urban | 20.3 | 1,819 | 1,328 |
| Terrell County, Texas | Rural | 37.1 | 316 | 16 |
| Terry County, Texas | Rural | 15.1 | 1,767 | 2,713 |
| Teton County, Idaho | Rural | 13.5 | 1,631 | 2,918 |
| Teton County, Montana | Rural | 23.2 | 1,458 | 668 |
| Teton County, Wyoming | Rural | 17.5 | 4,087 | 2,196 |
| Texas County, Missouri | Rural | 20.9 | 5,204 | 1,146 |
| Texas County, Oklahoma | Rural | 12.1 | 2,520 | 3,044 |
| Thayer County, Nebraska | Rural | 25.0 | 1,236 | 424 |
| Thomas County, Georgia | Rural | 18.6 | 8,487 | 1,871 |
| Thomas County, Kansas | Rural | 17.9 | 1,415 | 2,093 |
| Thomas County, Nebraska | Rural | 33.1 | 207 | 48 |
| Throckmorton County, Texas | Rural | 24.5 | 390 | 482 |
| Thurston County, Nebraska | Rural | 12.5 | 835 | 3,019 |
| Thurston County, Washington | Urban | 18.3 | 54,324 | 1,968 |
| Tift County, Georgia | Rural | 15.5 | 6,404 | 2,640 |
| Tillamook County, Oregon | Rural | 27.4 | 7,527 | 226 |
| Tillman County, Oklahoma | Rural | 20.1 | 1,398 | 1,396 |
| Tioga County, New York | Urban | 21.2 | 10,203 | 1,070 |
| Tioga County, Pennsylvania | Rural | 23.0 | 9,442 | 701 |
| Tippah County, Mississippi | Rural | 17.0 | 3,678 | 2,320 |
| Tippecanoe County, Indiana | Urban | 12.0 | 22,415 | 3,049 |
| Tipton County, Indiana | Urban | 21.7 | 3,324 | 953 |
| Tipton County, Tennessee | Urban | 15.3 | 9,373 | 2,688 |
| Tishomingo County, Mississippi | Rural | 20.9 | 3,920 | 1,146 |
| Titus County, Texas | Rural | 14.7 | 4,599 | 2,773 |
| Todd County, Kentucky | Rural | 16.9 | 2,083 | 2,348 |
| Todd County, Minnesota | Rural | 22.2 | 5,647 | 831 |
| Todd County, South Dakota | Rural | 7.8 | 724 | 3,137 |
| Tolland County, Connecticut | Urban | 17.9 | 26,321 | 2,093 |
| Tom Green County, Texas | Urban | 16.5 | 19,740 | 2,445 |
| Tompkins County, New York | Urban | 16.0 | 16,494 | 2,557 |
| Tooele County, Utah | Urban | 9.0 | 6,932 | 3,130 |
| Toole County, Montana | Rural | 17.4 | 877 | 2,221 |
| Toombs County, Georgia | Rural | 17.0 | 4,585 | 2,320 |
| Torrance County, New Mexico | Urban | 22.1 | 3,376 | 847 |
| Towner County, North Dakota | Rural | 24.9 | 527 | 441 |
| Towns County, Georgia | Rural | 36.3 | 4,626 | 19 |
| Traill County, North Dakota | Rural | 20.0 | 1,599 | 1,434 |
| Transylvania County, North Carolina | Rural | 30.8 | 10,247 | 97 |
| Traverse County, Minnesota | Rural | 25.3 | 828 | 399 |
| Travis County, Texas | Urban | 10.7 | 139,903 | 3,096 |
| Treasure County, Montana | Rural | 22.6 | 172 | 764 |
| Trego County, Kansas | Rural | 26.5 | 735 | 296 |
| Trempealeau County, Wisconsin | Rural | 18.3 | 5,627 | 1,968 |
| Treutlen County, Georgia | Rural | 18.5 | 1,182 | 1,902 |
| Trigg County, Kentucky | Urban | 22.5 | 3,204 | 783 |
| Trimble County, Kentucky | Rural | 18.3 | 1,562 | 1,968 |
| Trinity County, California | Rural | 29.3 | 4,662 | 133 |
| Trinity County, Texas | Rural | 27.1 | 3,756 | 246 |
| Tripp County, South Dakota | Rural | 24.0 | 1,345 | 536 |
| Troup County, Georgia | Rural | 15.6 | 10,875 | 2,625 |
| Trousdale County, Tennessee | Urban | 12.6 | 1,483 | 3,010 |
| Trumbull County, Ohio | Urban | 22.0 | 44,363 | 877 |
| Tucker County, West Virginia | Rural | 27.7 | 1,854 | 208 |
| Tulare County, California | Urban | 11.7 | 55,879 | 3,059 |
| Tulsa County, Oklahoma | Urban | 14.9 | 100,090 | 2,744 |
| Tunica County, Mississippi | Urban | 13.9 | 1,328 | 2,876 |
| Tuolumne County, California | Rural | 27.7 | 15,199 | 208 |
| Turner County, Georgia | Rural | 19.3 | 1,720 | 1,663 |
| Turner County, South Dakota | Urban | 20.3 | 1,785 | 1,328 |
| Tuscaloosa County, Alabama | Urban | 13.7 | 32,169 | 2,891 |
| Tuscarawas County, Ohio | Rural | 19.9 | 18,403 | 1,472 |
| Tuscola County, Michigan | Rural | 21.5 | 11,391 | 1,005 |
| Twiggs County, Georgia | Urban | 24.0 | 1,891 | 536 |
| Twin Falls County, Idaho | Urban | 16.4 | 15,135 | 2,467 |
| Tyler County, Texas | Rural | 22.1 | 4,448 | 847 |
| Tyler County, West Virginia | Rural | 23.8 | 1,946 | 569 |
| Tyrrell County, North Carolina | Rural | 25.5 | 862 | 382 |
| Uinta County, Wyoming | Rural | 16.6 | 3,423 | 2,426 |
| Uintah County, Utah | Rural | 11.7 | 4,276 | 3,059 |
| Ulster County, New York | Urban | 20.8 | 37,807 | 1,178 |
| Umatilla County, Oregon | Rural | 16.2 | 12,946 | 2,512 |
| Unicoi County, Tennessee | Urban | 23.1 | 4,105 | 686 |
| Union County, Arkansas | Rural | 18.9 | 7,254 | 1,772 |
| Union County, Florida | Rural | 17.2 | 2,674 | 2,277 |
| Union County, Georgia | Rural | 33.9 | 8,673 | 37 |
| Union County, Illinois | Rural | 22.1 | 3,751 | 847 |
| Union County, Indiana | Rural | 20.4 | 1,436 | 1,300 |
| Union County, Iowa | Rural | 20.5 | 2,472 | 1,272 |
| Union County, Kentucky | Rural | 19.6 | 2,623 | 1,573 |
| Union County, Mississippi | Rural | 16.5 | 4,613 | 2,445 |
| Union County, New Jersey | Urban | 14.8 | 84,844 | 2,760 |
| Union County, New Mexico | Rural | 22.6 | 911 | 764 |
| Union County, North Carolina | Urban | 13.2 | 32,401 | 2,955 |
| Union County, Ohio | Urban | 12.9 | 8,450 | 2,983 |
| Union County, Oregon | Rural | 21.0 | 5,500 | 1,116 |
| Union County, Pennsylvania | Rural | 19.5 | 8,282 | 1,606 |
| Union County, South Carolina | Urban | 20.9 | 5,651 | 1,146 |
| Union County, South Dakota | Urban | 18.9 | 3,196 | 1,772 |
| Union County, Tennessee | Urban | 18.4 | 3,704 | 1,938 |
| Union Parish, Louisiana | Urban | 22.1 | 4,626 | 847 |
| Upshur County, Texas | Urban | 18.3 | 7,645 | 1,968 |
| Upshur County, West Virginia | Rural | 21.3 | 5,066 | 1,047 |
| Upson County, Georgia | Rural | 18.4 | 5,116 | 1,938 |
| Upton County, Texas | Rural | 18.6 | 599 | 1,871 |
| Utah County, Utah | Urban | 7.8 | 53,214 | 3,137 |
| Uvalde County, Texas | Rural | 16.4 | 4,072 | 2,467 |
| Val Verde County, Texas | Rural | 13.9 | 6,645 | 2,876 |
| Valdez-Cordova Census Area, Alaska | Rural | 15.5 | 1,488 | 2,640 |
| Valencia County, New Mexico | Urban | 18.5 | 14,337 | 1,902 |
| Valley County, Idaho | Rural | 26.5 | 3,220 | 296 |
| Valley County, Montana | Rural | 24.3 | 1,833 | 508 |
| Valley County, Nebraska | Rural | 24.7 | 1,013 | 456 |
| Van Buren County, Arkansas | Rural | 26.7 | 4,259 | 278 |
| Van Buren County, Iowa | Rural | 23.2 | 1,682 | 668 |
| Van Buren County, Michigan | Rural | 19.4 | 14,663 | 1,636 |
| Van Buren County, Tennessee | Rural | 24.0 | 1,509 | 536 |
| Van Wert County, Ohio | Rural | 19.5 | 5,619 | 1,606 |
| Van Zandt County, Texas | Rural | 20.2 | 12,380 | 1,354 |
| Vance County, North Carolina | Rural | 18.8 | 7,958 | 1,812 |
| Vanderburgh County, Indiana | Urban | 17.8 | 32,021 | 2,122 |
| Venango County, Pennsylvania | Rural | 24.2 | 12,135 | 518 |
| Ventura County, California | Urban | 16.9 | 141,315 | 2,348 |
| Vermilion County, Illinois | Rural | 20.1 | 14,701 | 1,396 |
| Vermilion Parish, Louisiana | Urban | 16.1 | 9,161 | 2,534 |
| Vermillion County, Indiana | Urban | 20.0 | 3,084 | 1,434 |
| Vernon County, Missouri | Rural | 20.4 | 4,021 | 1,300 |
| Vernon County, Wisconsin | Urban | 20.7 | 6,389 | 1,214 |
| Vernon Parish, Louisiana | Rural | 13.5 | 6,470 | 2,918 |
| Victoria County, Texas | Urban | 16.7 | 15,230 | 2,398 |
| Vigo County, Indiana | Urban | 17.0 | 18,107 | 2,320 |
| Vilas County, Wisconsin | Rural | 31.2 | 7,299 | 85 |
| Vinton County, Ohio | Rural | 18.8 | 2,381 | 1,812 |
| Virginia Beach City, Virginia | Urban | 15.4 | 70,246 | 2,662 |
| Volusia County, Florida | Urban | 25.1 | 142,584 | 418 |
| Wabash County, Illinois | Rural | 22.0 | 2,463 | 877 |
| Wabash County, Indiana | Rural | 21.3 | 6,578 | 1,047 |
| Wabasha County, Minnesota | Urban | 22.8 | 4,898 | 726 |
| Wabaunsee County, Kansas | Urban | 21.0 | 1,462 | 1,116 |
| Wadena County, Minnesota | Rural | 20.1 | 2,836 | 1,396 |
| Wagoner County, Oklahoma | Urban | 16.9 | 14,253 | 2,348 |
| Wahkiakum County, Washington | Rural | 32.3 | 1,479 | 59 |
| Wake County, North Carolina | Urban | 12.5 | 144,054 | 3,019 |
| Wakulla County, Florida | Urban | 16.6 | 5,750 | 2,426 |
| Waldo County, Maine | Rural | 24.5 | 9,799 | 482 |
| Walker County, Alabama | Urban | 19.6 | 12,696 | 1,573 |
| Walker County, Georgia | Urban | 19.1 | 13,066 | 1,716 |
| Walker County, Texas | Rural | 13.7 | 10,762 | 2,891 |
| Walla Walla County, Washington | Urban | 19.4 | 12,073 | 1,636 |
| Wallace County, Kansas | Rural | 25.7 | 375 | 359 |
| Waller County, Texas | Urban | 11.4 | 6,792 | 3,074 |
| Wallowa County, Oregon | Rural | 29.0 | 2,187 | 142 |
| Walsh County, North Dakota | Rural | 21.5 | 2,260 | 1,005 |
| Walthall County, Mississippi | Rural | 20.3 | 2,820 | 1,328 |
| Walton County, Florida | Urban | 19.8 | 15,801 | 1,519 |
| Walton County, Georgia | Urban | 16.0 | 16,091 | 2,557 |
| Walworth County, South Dakota | Rural | 23.2 | 1,227 | 668 |
| Walworth County, Wisconsin | Rural | 19.2 | 20,274 | 1,694 |
| Wapello County, Iowa | Rural | 18.0 | 6,362 | 2,064 |
| Ward County, North Dakota | Urban | 13.7 | 9,455 | 2,891 |
| Ward County, Texas | Rural | 13.8 | 1,556 | 2,885 |
| Ware County, Georgia | Rural | 17.1 | 6,141 | 2,293 |
| Warren County, Georgia | Rural | 23.1 | 1,195 | 686 |
| Warren County, Illinois | Rural | 19.6 | 3,255 | 1,573 |
| Warren County, Indiana | Urban | 20.9 | 1,772 | 1,146 |
| Warren County, Iowa | Urban | 16.5 | 8,813 | 2,445 |
| Warren County, Kentucky | Urban | 13.2 | 18,185 | 2,955 |
| Warren County, Mississippi | Rural | 18.1 | 7,911 | 2,034 |
| Warren County, Missouri | Urban | 17.9 | 6,521 | 2,093 |
| Warren County, New Jersey | Urban | 19.0 | 20,961 | 1,737 |
| Warren County, New York | Urban | 23.6 | 15,454 | 597 |
| Warren County, North Carolina | Rural | 26.9 | 5,047 | 263 |
| Warren County, Ohio | Urban | 15.3 | 37,771 | 2,688 |
| Warren County, Pennsylvania | Rural | 24.2 | 9,240 | 518 |
| Warren County, Tennessee | Rural | 18.0 | 7,488 | 2,064 |
| Warren County, Virginia | Urban | 16.7 | 6,865 | 2,398 |
| Warrick County, Indiana | Urban | 18.5 | 11,960 | 1,902 |
| Wasatch County, Utah | Rural | 13.1 | 4,699 | 2,964 |
| Wasco County, Oregon | Rural | 20.9 | 5,560 | 1,146 |
| Waseca County, Minnesota | Rural | 18.5 | 3,510 | 1,902 |
| Washakie County, Wyoming | Rural | 23.6 | 1,816 | 597 |
| Washburn County, Wisconsin | Rural | 27.6 | 4,618 | 212 |
| Washington County, Alabama | Rural | 20.4 | 3,122 | 1,300 |
| Washington County, Arkansas | Urban | 12.1 | 30,500 | 3,044 |
| Washington County, Colorado | Rural | 21.9 | 1,060 | 902 |
| Washington County, Florida | Urban | 18.3 | 4,633 | 1,968 |
| Washington County, Georgia | Rural | 18.2 | 3,622 | 2,001 |
| Washington County, Idaho | Rural | 25.7 | 2,790 | 359 |
| Washington County, Illinois | Rural | 21.3 | 2,910 | 1,047 |
| Washington County, Indiana | Urban | 18.1 | 5,102 | 2,034 |
| Washington County, Iowa | Urban | 19.8 | 4,472 | 1,519 |
| Washington County, Kansas | Rural | 23.5 | 1,295 | 617 |
| Washington County, Kentucky | Rural | 19.3 | 2,338 | 1,663 |
| Washington County, Maine | Rural | 25.8 | 8,071 | 347 |
| Washington County, Maryland | Urban | 17.8 | 27,598 | 2,122 |
| Washington County, Minnesota | Urban | 16.2 | 43,979 | 2,512 |
| Washington County, Mississippi | Rural | 17.6 | 7,669 | 2,177 |
| Washington County, Missouri | Rural | 17.4 | 4,097 | 2,221 |
| Washington County, Nebraska | Urban | 18.9 | 3,964 | 1,772 |
| Washington County, New York | Urban | 20.9 | 12,718 | 1,146 |
| Washington County, North Carolina | Rural | 27.4 | 2,984 | 226 |
| Washington County, Ohio | Rural | 21.7 | 12,866 | 953 |
| Washington County, Oklahoma | Rural | 20.0 | 10,592 | 1,434 |
| Washington County, Oregon | Urban | 14.3 | 86,005 | 2,833 |
| Washington County, Pennsylvania | Urban | 21.5 | 45,137 | 1,005 |
| Washington County, Rhode Island | Urban | 22.6 | 29,403 | 764 |
| Washington County, Tennessee | Urban | 18.6 | 25,019 | 1,871 |
| Washington County, Texas | Rural | 22.3 | 8,051 | 817 |
| Washington County, Utah | Urban | 22.1 | 41,924 | 847 |
| Washington County, Vermont | Rural | 21.0 | 12,602 | 1,116 |
| Washington County, Virginia | Urban | 24.3 | 13,106 | 508 |
| Washington County, Wisconsin | Urban | 19.2 | 26,343 | 1,694 |
| Washington Parish, Louisiana | Rural | 18.5 | 8,387 | 1,902 |
| Washita County, Oklahoma | Rural | 19.1 | 2,070 | 1,716 |
| Washoe County, Nevada | Urban | 17.3 | 85,081 | 2,252 |
| Washtenaw County, Michigan | Urban | 15.3 | 56,244 | 2,688 |
| Watauga County, North Carolina | Rural | 16.7 | 9,138 | 2,398 |
| Watonwan County, Minnesota | Rural | 20.2 | 2,255 | 1,354 |
| Waukesha County, Wisconsin | Urban | 19.9 | 81,273 | 1,472 |
| Waupaca County, Wisconsin | Rural | 20.9 | 10,817 | 1,146 |
| Waushara County, Wisconsin | Rural | 25.5 | 6,303 | 382 |
| Wayne County, Georgia | Rural | 16.3 | 4,968 | 2,495 |
| Wayne County, Illinois | Rural | 21.9 | 3,508 | 902 |
| Wayne County, Indiana | Rural | 19.2 | 12,757 | 1,694 |
| Wayne County, Iowa | Rural | 22.4 | 1,460 | 800 |
| Wayne County, Kentucky | Rural | 21.2 | 4,144 | 1,070 |
| Wayne County, Michigan | Urban | 16.1 | 286,427 | 2,534 |
| Wayne County, Mississippi | Rural | 17.7 | 3,479 | 2,153 |
| Wayne County, Missouri | Rural | 24.3 | 2,661 | 508 |
| Wayne County, Nebraska | Rural | 16.3 | 1,595 | 2,495 |
| Wayne County, New York | Urban | 20.2 | 18,390 | 1,354 |
| Wayne County, North Carolina | Urban | 16.7 | 19,691 | 2,398 |
| Wayne County, Ohio | Rural | 18.6 | 21,693 | 1,871 |
| Wayne County, Pennsylvania | Rural | 25.0 | 12,806 | 424 |
| Wayne County, Tennessee | Rural | 19.3 | 3,130 | 1,663 |
| Wayne County, Utah | Rural | 23.1 | 590 | 686 |
| Wayne County, West Virginia | Urban | 21.8 | 8,395 | 928 |
| Waynesboro City, Virginia | Urban | 17.7 | 3,998 | 2,153 |
| Weakley County, Tennessee | Rural | 18.1 | 5,982 | 2,034 |
| Webb County, Texas | Urban | 10.0 | 26,886 | 3,108 |
| Weber County, Utah | Urban | 12.2 | 32,361 | 3,036 |
| Webster County, Georgia | Rural | 19.5 | 457 | 1,606 |
| Webster County, Iowa | Rural | 19.7 | 7,258 | 1,544 |
| Webster County, Kentucky | Rural | 17.8 | 2,295 | 2,122 |
| Webster County, Mississippi | Rural | 18.7 | 1,863 | 1,845 |
| Webster County, Missouri | Urban | 15.7 | 6,249 | 2,609 |
| Webster County, Nebraska | Rural | 22.5 | 762 | 783 |
| Webster County, West Virginia | Rural | 24.4 | 2,013 | 494 |
| Webster Parish, Louisiana | Rural | 20.2 | 7,320 | 1,354 |
| Weld County, Colorado | Urban | 12.7 | 43,229 | 3,000 |
| Wells County, Indiana | Urban | 18.4 | 5,187 | 1,938 |
| Wells County, North Dakota | Rural | 25.6 | 1,009 | 369 |
| West Baton Rouge Parish, Louisiana | Urban | 14.4 | 3,979 | 2,816 |
| West Carroll Parish, Louisiana | Rural | 20.8 | 2,000 | 1,178 |
| West Feliciana Parish, Louisiana | Urban | 15.7 | 2,412 | 2,609 |
| Westchester County, New York | Urban | 17.7 | 176,628 | 2,153 |
| Westmoreland County, Pennsylvania | Urban | 23.7 | 83,913 | 583 |
| Westmoreland County, Virginia | Rural | 26.4 | 4,924 | 304 |
| Weston County, Wyoming | Rural | 21.4 | 1,466 | 1,021 |
| Wetzel County, West Virginia | Rural | 22.7 | 3,237 | 747 |
| Wexford County, Michigan | Rural | 20.2 | 6,833 | 1,354 |
| Wharton County, Texas | Rural | 17.9 | 7,446 | 2,093 |
| Whatcom County, Washington | Urban | 18.5 | 42,255 | 1,902 |
| Wheatland County, Montana | Rural | 28.9 | 592 | 146 |
| Wheeler County, Georgia | Rural | 14.7 | 1,096 | 2,773 |
| Wheeler County, Nebraska | Rural | 32.2 | 253 | 63 |
| Wheeler County, Oregon | Rural | 36.3 | 520 | 19 |
| Wheeler County, Texas | Rural | 20.6 | 1,010 | 1,240 |
| White County, Arkansas | Rural | 16.6 | 12,817 | 2,426 |
| White County, Georgia | Rural | 22.9 | 6,520 | 717 |
| White County, Illinois | Rural | 23.2 | 3,176 | 668 |
| White County, Indiana | Rural | 20.6 | 5,086 | 1,240 |
| White County, Tennessee | Rural | 20.7 | 5,744 | 1,214 |
| White Pine County, Nevada | Rural | 19.9 | 1,762 | 1,472 |
| Whiteside County, Illinois | Rural | 21.4 | 11,827 | 1,021 |
| Whitfield County, Georgia | Urban | 14.7 | 15,153 | 2,773 |
| Whitley County, Indiana | Urban | 18.6 | 6,398 | 1,871 |
| Whitley County, Kentucky | Rural | 15.7 | 5,779 | 2,609 |
| Whitman County, Washington | Rural | 11.6 | 5,456 | 3,062 |
| Wibaux County, Montana | Rural | 23.7 | 272 | 583 |
| Wichita County, Kansas | Rural | 22.8 | 483 | 726 |
| Wichita County, Texas | Urban | 15.1 | 19,586 | 2,713 |
| Wicomico County, Maryland | Urban | 16.2 | 16,868 | 2,512 |
| Wilbarger County, Texas | Rural | 18.9 | 2,404 | 1,772 |
| Wilcox County, Alabama | Rural | 21.4 | 2,214 | 1,021 |
| Wilcox County, Georgia | Rural | 19.5 | 1,709 | 1,606 |
| Wilkes County, Georgia | Rural | 23.7 | 2,265 | 583 |
| Wilkes County, North Carolina | Rural | 22.7 | 14,981 | 747 |
| Wilkin County, Minnesota | Rural | 19.1 | 1,228 | 1,716 |
| Wilkinson County, Georgia | Rural | 20.1 | 1,771 | 1,396 |
| Wilkinson County, Mississippi | Rural | 18.9 | 1,580 | 1,772 |
| Will County, Illinois | Urban | 14.1 | 98,430 | 2,857 |
| Willacy County, Texas | Rural | 14.6 | 2,956 | 2,792 |
| Williams County, North Dakota | Rural | 9.9 | 3,886 | 3,110 |
| Williams County, Ohio | Rural | 19.6 | 7,212 | 1,573 |
| Williamsburg City, Virginia | Urban | 17.1 | 2,666 | 2,293 |
| Williamsburg County, South Carolina | Rural | 22.0 | 6,709 | 877 |
| Williamson County, Illinois | Rural | 19.6 | 13,109 | 1,573 |
| Williamson County, Tennessee | Urban | 14.3 | 36,307 | 2,833 |
| Williamson County, Texas | Urban | 12.8 | 82,263 | 2,991 |
| Wilson County, Kansas | Rural | 22.5 | 1,929 | 783 |
| Wilson County, North Carolina | Rural | 19.0 | 14,938 | 1,737 |
| Wilson County, Tennessee | Urban | 15.8 | 24,231 | 2,586 |
| Wilson County, Texas | Urban | 16.7 | 8,588 | 2,398 |
| Winchester City, Virginia | Urban | 17.1 | 4,788 | 2,293 |
| Windham County, Connecticut | Urban | 18.2 | 21,139 | 2,001 |
| Windham County, Vermont | Rural | 24.7 | 11,325 | 456 |
| Windsor County, Vermont | Rural | 24.7 | 14,336 | 456 |
| Winkler County, Texas | Rural | 13.4 | 1,012 | 2,930 |
| Winn Parish, Louisiana | Rural | 19.0 | 2,569 | 1,737 |
| Winnebago County, Illinois | Urban | 18.2 | 51,590 | 2,001 |
| Winnebago County, Iowa | Rural | 21.6 | 2,296 | 984 |
| Winnebago County, Wisconsin | Urban | 17.1 | 29,233 | 2,293 |
| Winneshiek County, Iowa | Rural | 22.6 | 4,517 | 764 |
| Winona County, Minnesota | Rural | 18.2 | 9,052 | 2,001 |
| Winston County, Alabama | Rural | 21.9 | 5,170 | 902 |
| Winston County, Mississippi | Rural | 21.1 | 3,721 | 1,091 |
| Wirt County, West Virginia | Urban | 22.2 | 1,141 | 831 |
| Wise County, Texas | Urban | 15.4 | 11,151 | 2,662 |
| Wise County, Virginia | Rural | 20.0 | 7,157 | 1,434 |
| Wolfe County, Kentucky | Rural | 19.5 | 1,262 | 1,606 |
| Wood County, Ohio | Urban | 16.2 | 21,390 | 2,512 |
| Wood County, Texas | Rural | 27.1 | 12,470 | 246 |
| Wood County, West Virginia | Urban | 21.2 | 17,791 | 1,070 |
| Wood County, Wisconsin | Rural | 21.4 | 15,848 | 1,021 |
| Woodbury County, Iowa | Urban | 15.5 | 16,444 | 2,640 |
| Woodford County, Illinois | Urban | 18.8 | 7,193 | 1,812 |
| Woodford County, Kentucky | Urban | 20.1 | 5,423 | 1,396 |
| Woodruff County, Arkansas | Rural | 24.4 | 1,501 | 494 |
| Woods County, Oklahoma | Rural | 17.4 | 1,501 | 2,221 |
| Woodson County, Kansas | Rural | 26.6 | 829 | 285 |
| Woodward County, Oklahoma | Rural | 16.2 | 3,277 | 2,512 |
| Worcester County, Maryland | Rural | 28.2 | 15,019 | 185 |
| Worcester County, Massachusetts | Urban | 16.6 | 142,716 | 2,426 |
| Worth County, Georgia | Urban | 20.1 | 4,128 | 1,396 |
| Worth County, Iowa | Rural | 22.4 | 1,656 | 800 |
| Worth County, Missouri | Rural | 25.6 | 501 | 369 |
| Wrangell Borough, Alaska | Rural | 23.9 | 503 | 552 |
| Wright County, Iowa | Rural | 22.1 | 2,834 | 847 |
| Wright County, Minnesota | Urban | 13.3 | 19,339 | 2,940 |
| Wright County, Missouri | Rural | 19.8 | 3,703 | 1,519 |
| Wyandot County, Ohio | Rural | 20.3 | 4,402 | 1,328 |
| Wyandotte County, Kansas | Urban | 13.0 | 21,817 | 2,976 |
| Wyoming County, New York | Rural | 19.8 | 7,936 | 1,519 |
| Wyoming County, Pennsylvania | Urban | 22.4 | 5,846 | 800 |
| Wyoming County, West Virginia | Rural | 22.9 | 4,801 | 717 |
| Wythe County, Virginia | Rural | 22.0 | 6,201 | 877 |
| Yadkin County, North Carolina | Urban | 20.7 | 7,756 | 1,214 |
| Yakima County, Washington | Urban | 14.3 | 36,622 | 2,833 |
| Yakutat City and Borough, Alaska | Rural | 27.7 | 140 | 208 |
| Yalobusha County, Mississippi | Rural | 21.4 | 2,666 | 1,021 |
| Yamhill County, Oregon | Urban | 18.3 | 19,811 | 1,968 |
| Yancey County, North Carolina | Rural | 26.5 | 4,946 | 296 |
| Yankton County, South Dakota | Rural | 20.5 | 4,798 | 1,272 |
| Yates County, New York | Rural | 21.9 | 5,392 | 902 |
| Yavapai County, Arizona | Urban | 33.5 | 80,878 | 43 |
| Yazoo County, Mississippi | Urban | 14.0 | 3,763 | 2,862 |
| Yell County, Arkansas | Rural | 17.6 | 3,545 | 2,177 |
| Yellow Medicine County, Minnesota | Rural | 21.0 | 1,997 | 1,116 |
| Yellowstone County, Montana | Urban | 17.8 | 29,849 | 2,122 |
| Yoakum County, Texas | Rural | 11.5 | 869 | 3,068 |
| Yolo County, California | Urban | 13.3 | 28,915 | 2,940 |
| York County, Maine | Urban | 21.7 | 46,675 | 953 |
| York County, Nebraska | Rural | 20.1 | 2,864 | 1,396 |
| York County, Pennsylvania | Urban | 18.4 | 84,652 | 1,938 |
| York County, South Carolina | Urban | 15.0 | 43,314 | 2,726 |
| York County, Virginia | Urban | 17.3 | 12,186 | 2,252 |
| Young County, Texas | Rural | 21.0 | 3,767 | 1,116 |
| Yuba County, California | Urban | 13.1 | 10,889 | 2,964 |
| Yukon-Koyukuk Census Area, Alaska | Rural | 16.5 | 870 | 2,445 |
| Yuma County, Arizona | Urban | 20.3 | 42,186 | 1,328 |
| Yuma County, Colorado | Rural | 17.7 | 1,755 | 2,153 |
| Zapata County, Texas | Rural | 13.5 | 1,875 | 2,918 |
| Zavala County, Texas | Rural | 15.4 | 1,469 | 2,662 |
| Ziebach County, South Dakota | Rural | 11.0 | 266 | 3,088 |
Notes:
Created by statecancerprofiles.cancer.gov on 07/06/2025 12:05 am.
Φ Rural-Urban Continuum Codes provided by the USDA.
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: Age 65 and over, 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. 2013 Rural-Urban Continuum Codes will be used for Connecticut counties.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 07/06/2025 12:05 am.
Φ Rural-Urban Continuum Codes provided by the USDA.
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: Age 65 and over, 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. 2013 Rural-Urban Continuum Codes will be used for Connecticut counties.
Data for United States does not include Puerto Rico.