State Cancer Profiles

Interpretation of Demographics Data

Demographic Data Report for Iowa by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Value

Iowa

• Value (Percent) : The value is 23.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 742,175.
• Rank within US : This state is ranked 15 of 52

United States

• Value (Percent) : The value is 22.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 74,234,075.
• Rank within US : N/A

Davis County

• Value (Percent) : The value is 29.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,691.
• Rank within US : This county is ranked 101 of 3143

Lyon County

• Value (Percent) : The value is 28.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,392.
• Rank within US : This county is ranked 142 of 3143

Dallas County

• Value (Percent) : The value is 27.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 26,545.
• Rank within US : This county is ranked 184 of 3143

Sioux County

• Value (Percent) : The value is 27.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 9,759.
• Rank within US : This county is ranked 197 of 3143

Buchanan County

• Value (Percent) : The value is 26.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,430.
• Rank within US : This county is ranked 290 of 3143

Buena Vista County

• Value (Percent) : The value is 26.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,430.
• Rank within US : This county is ranked 309 of 3143

Woodbury County

• Value (Percent) : The value is 26.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 27,491.
• Rank within US : This county is ranked 316 of 3143

Clarke County

• Value (Percent) : The value is 26.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,546.
• Rank within US : This county is ranked 317 of 3143

Wayne County

• Value (Percent) : The value is 25.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,684.
• Rank within US : This county is ranked 351 of 3143

Howard County

• Value (Percent) : The value is 25.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,418.
• Rank within US : This county is ranked 411 of 3143

Marshall County

• Value (Percent) : The value is 25.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 10,257.
• Rank within US : This county is ranked 414 of 3143

Madison County

• Value (Percent) : The value is 25.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,179.
• Rank within US : This county is ranked 431 of 3143

Crawford County

• Value (Percent) : The value is 25.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,210.
• Rank within US : This county is ranked 438 of 3143

Plymouth County

• Value (Percent) : The value is 25.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,441.
• Rank within US : This county is ranked 480 of 3143

Washington County

• Value (Percent) : The value is 24.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,616.
• Rank within US : This county is ranked 535 of 3143

Polk County

• Value (Percent) : The value is 24.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 121,827.
• Rank within US : This county is ranked 538 of 3143

Muscatine County

• Value (Percent) : The value is 24.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 10,737.
• Rank within US : This county is ranked 550 of 3143

Ida County

• Value (Percent) : The value is 24.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,733.
• Rank within US : This county is ranked 563 of 3143

Wright County

• Value (Percent) : The value is 24.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,221.
• Rank within US : This county is ranked 567 of 3143

Warren County

• Value (Percent) : The value is 24.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 12,858.
• Rank within US : This county is ranked 570 of 3143

Monroe County

• Value (Percent) : The value is 24.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,853.
• Rank within US : This county is ranked 678 of 3143

Montgomery County

• Value (Percent) : The value is 24.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,515.
• Rank within US : This county is ranked 693 of 3143

Tama County

• Value (Percent) : The value is 24.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,154.
• Rank within US : This county is ranked 706 of 3143

Ringgold County

• Value (Percent) : The value is 24.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,149.
• Rank within US : This county is ranked 724 of 3143

Mitchell County

• Value (Percent) : The value is 24.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,537.
• Rank within US : This county is ranked 779 of 3143

O'Brien County

• Value (Percent) : The value is 24.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,405.
• Rank within US : This county is ranked 786 of 3143

Delaware County

• Value (Percent) : The value is 24.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,210.
• Rank within US : This county is ranked 796 of 3143

Mahaska County

• Value (Percent) : The value is 24.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,316.
• Rank within US : This county is ranked 802 of 3143

Carroll County

• Value (Percent) : The value is 24.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,981.
• Rank within US : This county is ranked 811 of 3143

Humboldt County

• Value (Percent) : The value is 24.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,308.
• Rank within US : This county is ranked 817 of 3143

Chickasaw County

• Value (Percent) : The value is 23.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,872.
• Rank within US : This county is ranked 868 of 3143

Scott County

• Value (Percent) : The value is 23.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 41,552.
• Rank within US : This county is ranked 882 of 3143

Allamakee County

• Value (Percent) : The value is 23.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,351.
• Rank within US : This county is ranked 903 of 3143

Pottawattamie County

• Value (Percent) : The value is 23.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 22,184.
• Rank within US : This county is ranked 949 of 3143

Osceola County

• Value (Percent) : The value is 23.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,462.
• Rank within US : This county is ranked 951 of 3143

Palo Alto County

• Value (Percent) : The value is 23.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,131.
• Rank within US : This county is ranked 958 of 3143

Mills County

• Value (Percent) : The value is 23.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,457.
• Rank within US : This county is ranked 995 of 3143

Grundy County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,903.
• Rank within US : This county is ranked 1013 of 3143

Harrison County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,423.
• Rank within US : This county is ranked 1040 of 3143

Franklin County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,359.
• Rank within US : This county is ranked 1045 of 3143

Marion County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,829.
• Rank within US : This county is ranked 1048 of 3143

Benton County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,016.
• Rank within US : This county is ranked 1051 of 3143

Clay County

• Value (Percent) : The value is 23.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,847.
• Rank within US : This county is ranked 1054 of 3143

Taylor County

• Value (Percent) : The value is 23.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,388.
• Rank within US : This county is ranked 1077 of 3143

Linn County

• Value (Percent) : The value is 23.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 53,295.
• Rank within US : This county is ranked 1113 of 3143

Wapello County

• Value (Percent) : The value is 23.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,221.
• Rank within US : This county is ranked 1144 of 3143

Van Buren County

• Value (Percent) : The value is 23.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,671.
• Rank within US : This county is ranked 1158 of 3143

Iowa County

• Value (Percent) : The value is 23.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,851.
• Rank within US : This county is ranked 1163 of 3143

Keokuk County

• Value (Percent) : The value is 23.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,322.
• Rank within US : This county is ranked 1203 of 3143

Butler County

• Value (Percent) : The value is 23.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,323.
• Rank within US : This county is ranked 1231 of 3143

Hamilton County

• Value (Percent) : The value is 23.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,464.
• Rank within US : This county is ranked 1257 of 3143

Bremer County

• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,701.
• Rank within US : This county is ranked 1277 of 3143

Dubuque County

• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 22,618.
• Rank within US : This county is ranked 1283 of 3143

Floyd County

• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,591.
• Rank within US : This county is ranked 1286 of 3143

Appanoose County

• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,816.
• Rank within US : This county is ranked 1305 of 3143

Clinton County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 10,645.
• Rank within US : This county is ranked 1318 of 3143

Des Moines County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,908.
• Rank within US : This county is ranked 1337 of 3143

Fremont County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,528.
• Rank within US : This county is ranked 1338 of 3143

Cass County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,998.
• Rank within US : This county is ranked 1344 of 3143

Lucas County

• Value (Percent) : The value is 22.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,964.
• Rank within US : This county is ranked 1386 of 3143

Cherokee County

• Value (Percent) : The value is 22.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,629.
• Rank within US : This county is ranked 1415 of 3143

Union County

• Value (Percent) : The value is 22.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,761.
• Rank within US : This county is ranked 1418 of 3143

Louisa County

• Value (Percent) : The value is 22.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,466.
• Rank within US : This county is ranked 1419 of 3143

Pocahontas County

• Value (Percent) : The value is 22.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,604.
• Rank within US : This county is ranked 1428 of 3143

Greene County

• Value (Percent) : The value is 22.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,997.
• Rank within US : This county is ranked 1432 of 3143

Calhoun County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,236.
• Rank within US : This county is ranked 1481 of 3143

Jasper County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,442.
• Rank within US : This county is ranked 1501 of 3143

Adair County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,663.
• Rank within US : This county is ranked 1522 of 3143

Monona County

• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,950.
• Rank within US : This county is ranked 1536 of 3143

Sac County

• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,193.
• Rank within US : This county is ranked 1544 of 3143

Audubon County

• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,259.
• Rank within US : This county is ranked 1571 of 3143

Kossuth County

• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,297.
• Rank within US : This county is ranked 1577 of 3143

Guthrie County

• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,356.
• Rank within US : This county is ranked 1586 of 3143

Jackson County

• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,324.
• Rank within US : This county is ranked 1608 of 3143

Winnebago County

• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,382.
• Rank within US : This county is ranked 1610 of 3143

Cedar County

• Value (Percent) : The value is 22.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,092.
• Rank within US : This county is ranked 1625 of 3143

Shelby County

• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,586.
• Rank within US : This county is ranked 1672 of 3143

Black Hawk County

• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 28,843.
• Rank within US : This county is ranked 1705 of 3143

Hancock County

• Value (Percent) : The value is 21.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,367.
• Rank within US : This county is ranked 1757 of 3143

Decatur County

• Value (Percent) : The value is 21.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,684.
• Rank within US : This county is ranked 1771 of 3143

Jones County

• Value (Percent) : The value is 21.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,498.
• Rank within US : This county is ranked 1801 of 3143

Clayton County

• Value (Percent) : The value is 21.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,731.
• Rank within US : This county is ranked 1807 of 3143

Lee County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,301.
• Rank within US : This county is ranked 1850 of 3143

Henry County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,433.
• Rank within US : This county is ranked 1857 of 3143

Boone County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,780.
• Rank within US : This county is ranked 1859 of 3143

Adams County

• Value (Percent) : The value is 21.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 794.
• Rank within US : This county is ranked 1921 of 3143

Webster County

• Value (Percent) : The value is 21.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,967.
• Rank within US : This county is ranked 1928 of 3143

Fayette County

• Value (Percent) : The value is 21.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,183.
• Rank within US : This county is ranked 1961 of 3143

Cerro Gordo County

• Value (Percent) : The value is 21.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 9,086.
• Rank within US : This county is ranked 2072 of 3143

Worth County

• Value (Percent) : The value is 20.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,542.
• Rank within US : This county is ranked 2176 of 3143

Emmet County

• Value (Percent) : The value is 20.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,935.
• Rank within US : This county is ranked 2239 of 3143

Jefferson County

• Value (Percent) : The value is 20.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,206.
• Rank within US : This county is ranked 2331 of 3143

Poweshiek County

• Value (Percent) : The value is 20.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,733.
• Rank within US : This county is ranked 2390 of 3143

Johnson County

• Value (Percent) : The value is 20.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 30,374.
• Rank within US : This county is ranked 2405 of 3143

Page County

• Value (Percent) : The value is 19.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,041.
• Rank within US : This county is ranked 2427 of 3143

Hardin County

• Value (Percent) : The value is 19.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,378.
• Rank within US : This county is ranked 2445 of 3143

Dickinson County

• Value (Percent) : The value is 19.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,423.
• Rank within US : This county is ranked 2531 of 3143

Winneshiek County

• Value (Percent) : The value is 18.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,740.
• Rank within US : This county is ranked 2734 of 3143

Story County

• Value (Percent) : The value is 16.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 16,316.
• Rank within US : This county is ranked 2982 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 10/01/2023 12:47 pm.
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.