Demographics Table
Demographic Data Report for Iowa by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Count
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 18-39)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| United States | N/A | 29.5 | 98,058,393 | N/A |
| Iowa | N/A | 28.8 | 920,272 | 28 of 52 |
| Polk County | Urban | 31.2 | 155,061 | 352 |
| Linn County | Urban | 29.0 | 66,545 | 662 |
| Johnson County | Urban | 42.1 | 65,192 | 39 |
| Scott County | Urban | 27.9 | 48,675 | 880 |
| Story County | Urban | 48.6 | 47,944 | 13 |
| Black Hawk County | Urban | 33.4 | 43,684 | 216 |
| Dallas County | Urban | 30.4 | 31,633 | 432 |
| Woodbury County | Urban | 28.5 | 30,136 | 755 |
| Dubuque County | Urban | 29.1 | 28,838 | 644 |
| Pottawattamie County | Urban | 26.6 | 24,867 | 1,248 |
| Warren County | Urban | 27.2 | 14,568 | 1,068 |
| Muscatine County | Rural | 27.0 | 11,558 | 1,116 |
| Clinton County | Rural | 24.3 | 11,287 | 2,094 |
| Webster County | Rural | 28.9 | 10,648 | 682 |
| Marshall County | Rural | 26.2 | 10,484 | 1,389 |
| Sioux County | Rural | 29.0 | 10,451 | 662 |
| Cerro Gordo County | Rural | 24.4 | 10,433 | 2,056 |
| Jasper County | Urban | 26.2 | 9,917 | 1,389 |
| Des Moines County | Rural | 25.3 | 9,768 | 1,724 |
| Wapello County | Rural | 26.4 | 9,324 | 1,323 |
| Marion County | Rural | 26.9 | 9,023 | 1,143 |
| Lee County | Rural | 23.9 | 7,930 | 2,208 |
| Bremer County | Urban | 29.3 | 7,354 | 602 |
| Boone County | Urban | 26.5 | 7,067 | 1,285 |
| Plymouth County | Rural | 24.1 | 6,205 | 2,153 |
| Buena Vista County | Rural | 29.3 | 6,065 | 602 |
| Benton County | Urban | 23.6 | 6,056 | 2,294 |
| Mahaska County | Rural | 27.1 | 5,973 | 1,092 |
| Henry County | Rural | 28.4 | 5,742 | 775 |
| Washington County | Urban | 25.0 | 5,630 | 1,828 |
| Winneshiek County | Rural | 28.1 | 5,605 | 835 |
| Poweshiek County | Rural | 29.4 | 5,468 | 578 |
| Buchanan County | Rural | 24.5 | 5,052 | 2,020 |
| Jones County | Urban | 24.0 | 4,999 | 2,185 |
| Fayette County | Rural | 25.2 | 4,881 | 1,764 |
| Carroll County | Rural | 23.2 | 4,793 | 2,414 |
| Cedar County | Rural | 24.6 | 4,539 | 1,991 |
| Jackson County | Rural | 23.0 | 4,472 | 2,466 |
| Jefferson County | Rural | 28.5 | 4,464 | 755 |
| Crawford County | Rural | 26.0 | 4,231 | 1,479 |
| Tama County | Rural | 24.4 | 4,148 | 2,056 |
| Hardin County | Rural | 24.5 | 4,106 | 2,020 |
| Clay County | Rural | 24.7 | 4,060 | 1,961 |
| Madison County | Urban | 23.7 | 3,973 | 2,266 |
| Delaware County | Rural | 22.3 | 3,910 | 2,639 |
| Iowa County | Rural | 23.6 | 3,897 | 2,294 |
| Page County | Rural | 25.1 | 3,813 | 1,791 |
| Dickinson County | Rural | 21.1 | 3,774 | 2,843 |
| O'Brien County | Rural | 26.0 | 3,665 | 1,479 |
| Clayton County | Rural | 21.3 | 3,638 | 2,815 |
| Harrison County | Urban | 24.8 | 3,635 | 1,916 |
| Floyd County | Rural | 22.9 | 3,544 | 2,494 |
| Hamilton County | Rural | 23.6 | 3,516 | 2,294 |
| Mills County | Urban | 23.5 | 3,420 | 2,328 |
| Kossuth County | Rural | 23.2 | 3,391 | 2,414 |
| Butler County | Rural | 22.8 | 3,265 | 2,515 |
| Allamakee County | Rural | 22.3 | 3,128 | 2,639 |
| Wright County | Rural | 24.2 | 3,104 | 2,118 |
| Union County | Rural | 25.4 | 3,060 | 1,691 |
| Grundy County | Urban | 24.5 | 3,028 | 2,020 |
| Appanoose County | Rural | 24.0 | 2,944 | 2,185 |
| Lyon County | Rural | 24.3 | 2,940 | 2,094 |
| Cass County | Rural | 21.6 | 2,833 | 2,761 |
| Winnebago County | Rural | 26.6 | 2,833 | 1,248 |
| Chickasaw County | Rural | 22.3 | 2,648 | 2,639 |
| Louisa County | Rural | 24.6 | 2,630 | 1,991 |
| Shelby County | Rural | 22.4 | 2,628 | 2,619 |
| Clarke County | Rural | 26.3 | 2,546 | 1,356 |
| Calhoun County | Rural | 25.3 | 2,499 | 1,724 |
| Emmet County | Rural | 26.7 | 2,489 | 1,210 |
| Mitchell County | Rural | 23.5 | 2,481 | 2,328 |
| Hancock County | Rural | 22.8 | 2,446 | 2,515 |
| Howard County | Rural | 25.5 | 2,413 | 1,655 |
| Cherokee County | Rural | 20.7 | 2,396 | 2,899 |
| Keokuk County | Rural | 24.0 | 2,390 | 2,185 |
| Decatur County | Rural | 30.9 | 2,368 | 376 |
| Montgomery County | Rural | 22.8 | 2,340 | 2,515 |
| Humboldt County | Rural | 24.1 | 2,303 | 2,153 |
| Franklin County | Rural | 22.8 | 2,279 | 2,515 |
| Guthrie County | Urban | 20.9 | 2,229 | 2,866 |
| Sac County | Rural | 22.4 | 2,190 | 2,619 |
| Davis County | Rural | 23.5 | 2,148 | 2,328 |
| Palo Alto County | Rural | 23.9 | 2,129 | 2,208 |
| Greene County | Rural | 23.4 | 2,043 | 2,359 |
| Lucas County | Rural | 22.6 | 1,966 | 2,567 |
| Monona County | Rural | 22.8 | 1,964 | 2,515 |
| Monroe County | Rural | 25.2 | 1,901 | 1,764 |
| Adair County | Rural | 24.2 | 1,810 | 2,118 |
| Worth County | Rural | 23.6 | 1,743 | 2,294 |
| Ida County | Rural | 23.3 | 1,616 | 2,387 |
| Pocahontas County | Rural | 22.7 | 1,600 | 2,546 |
| Van Buren County | Rural | 20.2 | 1,462 | 2,946 |
| Wayne County | Rural | 21.5 | 1,399 | 2,780 |
| Osceola County | Rural | 22.4 | 1,372 | 2,619 |
| Fremont County | Rural | 20.5 | 1,347 | 2,922 |
| Taylor County | Rural | 22.4 | 1,321 | 2,619 |
| Audubon County | Rural | 20.7 | 1,163 | 2,899 |
| Ringgold County | Rural | 22.6 | 1,053 | 2,567 |
| Adams County | Rural | 21.2 | 773 | 2,825 |
Notes:
Created by statecancerprofiles.cancer.gov on 07/02/2025 11:53 pm.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 07/02/2025 11:53 pm.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.
Data for United States does not include Puerto Rico.