Demographics Table
Demographic Data Report for Iowa by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2018-2022 American Community Survey 5-Year Data
Sorted by Rank
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age Under 18)
|
Rank within US (of 3143 counties) 
|
|---|---|---|---|---|
| United States | N/A | 22.1 | 73,213,705 | N/A |
| Iowa | N/A | 22.9 | 730,318 | 16 of 52 |
| Story County | Urban | 16.0 | 15,811 | 3,004 |
| Jefferson County | Rural | 16.4 | 2,593 | 2,974 |
| Winneshiek County | Rural | 18.6 | 3,726 | 2,669 |
| Page County | Rural | 18.8 | 2,869 | 2,614 |
| Dickinson County | Rural | 19.0 | 3,354 | 2,584 |
| Hardin County | Rural | 19.1 | 3,228 | 2,535 |
| Emmet County | Rural | 19.1 | 1,790 | 2,534 |
| Johnson County | Urban | 19.4 | 29,762 | 2,476 |
| Poweshiek County | Rural | 19.9 | 3,694 | 2,352 |
| Jones County | Urban | 20.7 | 4,285 | 2,089 |
| Worth County | Rural | 20.7 | 1,536 | 2,080 |
| Cerro Gordo County | Rural | 20.8 | 8,919 | 2,061 |
| Henry County | Rural | 20.9 | 4,267 | 2,015 |
| Boone County | Urban | 20.9 | 5,575 | 2,014 |
| Webster County | Rural | 20.9 | 7,740 | 2,001 |
| Adams County | Rural | 21.1 | 777 | 1,930 |
| Fayette County | Rural | 21.2 | 4,131 | 1,907 |
| Lee County | Rural | 21.2 | 7,102 | 1,884 |
| Hancock County | Rural | 21.3 | 2,295 | 1,879 |
| Clayton County | Rural | 21.3 | 3,652 | 1,859 |
| Cedar County | Rural | 21.5 | 3,982 | 1,757 |
| Black Hawk County | Urban | 21.7 | 28,385 | 1,705 |
| Winnebago County | Rural | 21.7 | 2,322 | 1,687 |
| Kossuth County | Rural | 21.7 | 3,198 | 1,675 |
| Calhoun County | Rural | 21.8 | 2,152 | 1,663 |
| Guthrie County | Urban | 21.8 | 2,310 | 1,661 |
| Shelby County | Rural | 21.9 | 2,566 | 1,614 |
| Cherokee County | Rural | 21.9 | 2,538 | 1,607 |
| Decatur County | Rural | 21.9 | 1,685 | 1,580 |
| Appanoose County | Rural | 21.9 | 2,695 | 1,569 |
| Jackson County | Rural | 22.0 | 4,281 | 1,553 |
| Monona County | Rural | 22.0 | 1,907 | 1,549 |
| Jasper County | Urban | 22.0 | 8,334 | 1,530 |
| Audubon County | Rural | 22.1 | 1,247 | 1,519 |
| Adair County | Rural | 22.1 | 1,653 | 1,501 |
| Cass County | Rural | 22.1 | 2,901 | 1,492 |
| Fremont County | Rural | 22.1 | 1,469 | 1,488 |
| Greene County | Rural | 22.2 | 1,951 | 1,466 |
| Sac County | Rural | 22.2 | 2,168 | 1,464 |
| Hamilton County | Rural | 22.2 | 3,322 | 1,459 |
| Louisa County | Rural | 22.2 | 2,408 | 1,434 |
| Pocahontas County | Rural | 22.2 | 1,571 | 1,433 |
| Butler County | Rural | 22.5 | 3,232 | 1,327 |
| Dubuque County | Urban | 22.5 | 22,232 | 1,321 |
| Des Moines County | Rural | 22.5 | 8,738 | 1,318 |
| Clinton County | Rural | 22.5 | 10,466 | 1,314 |
| Montgomery County | Rural | 22.5 | 2,317 | 1,310 |
| Taylor County | Rural | 22.5 | 1,333 | 1,309 |
| Bremer County | Urban | 22.5 | 5,637 | 1,306 |
| Lucas County | Rural | 22.6 | 1,961 | 1,266 |
| Floyd County | Rural | 22.7 | 3,534 | 1,257 |
| Osceola County | Rural | 22.7 | 1,394 | 1,245 |
| Van Buren County | Rural | 22.8 | 1,640 | 1,206 |
| Linn County | Urban | 22.8 | 52,269 | 1,192 |
| Keokuk County | Rural | 22.8 | 2,289 | 1,166 |
| Harrison County | Urban | 22.9 | 3,347 | 1,146 |
| Union County | Rural | 23.1 | 2,791 | 1,077 |
| Benton County | Urban | 23.1 | 5,917 | 1,072 |
| Clay County | Rural | 23.1 | 3,791 | 1,061 |
| Pottawattamie County | Urban | 23.2 | 21,694 | 1,020 |
| Marion County | Rural | 23.3 | 7,801 | 973 |
| Iowa County | Rural | 23.4 | 3,874 | 944 |
| Franklin County | Rural | 23.4 | 2,345 | 928 |
| Wapello County | Rural | 23.4 | 8,264 | 927 |
| Chickasaw County | Rural | 23.4 | 2,800 | 926 |
| Scott County | Urban | 23.4 | 40,828 | 924 |
| Grundy County | Urban | 23.5 | 2,904 | 877 |
| Humboldt County | Rural | 23.6 | 2,264 | 858 |
| Mitchell County | Rural | 23.6 | 2,488 | 841 |
| Allamakee County | Rural | 23.6 | 3,319 | 832 |
| Palo Alto County | Rural | 23.8 | 2,123 | 792 |
| Mahaska County | Rural | 23.8 | 5,248 | 774 |
| O'Brien County | Rural | 23.8 | 3,365 | 767 |
| Delaware County | Rural | 23.8 | 4,172 | 760 |
| Monroe County | Rural | 23.8 | 1,805 | 752 |
| Carroll County | Rural | 23.9 | 4,948 | 738 |
| Mills County | Urban | 23.9 | 3,493 | 714 |
| Ringgold County | Rural | 23.9 | 1,123 | 705 |
| Ida County | Rural | 24.0 | 1,674 | 687 |
| Tama County | Rural | 24.1 | 4,098 | 666 |
| Muscatine County | Rural | 24.4 | 10,483 | 584 |
| Warren County | Urban | 24.4 | 12,870 | 578 |
| Polk County | Urban | 24.5 | 120,657 | 570 |
| Washington County | Urban | 24.6 | 5,540 | 534 |
| Madison County | Urban | 24.7 | 4,105 | 510 |
| Wright County | Rural | 24.7 | 3,188 | 508 |
| Plymouth County | Rural | 24.8 | 6,358 | 491 |
| Crawford County | Rural | 25.3 | 4,157 | 396 |
| Marshall County | Rural | 25.4 | 10,163 | 378 |
| Howard County | Rural | 25.5 | 2,418 | 347 |
| Clarke County | Rural | 25.6 | 2,490 | 331 |
| Woodbury County | Urban | 25.6 | 27,052 | 325 |
| Buchanan County | Rural | 25.7 | 5,307 | 310 |
| Wayne County | Rural | 26.0 | 1,685 | 277 |
| Buena Vista County | Rural | 26.3 | 5,438 | 246 |
| Dallas County | Urban | 26.9 | 27,025 | 191 |
| Sioux County | Rural | 26.9 | 9,646 | 189 |
| Lyon County | Rural | 28.1 | 3,381 | 130 |
| Davis County | Rural | 29.5 | 2,686 | 87 |
Notes:
Created by statecancerprofiles.cancer.gov on 01/13/2025 6:02 am.
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 under 18, see the dictionary.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 01/13/2025 6:02 am.
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 under 18, see the dictionary.
Data for United States does not include Puerto Rico.