Interpretation of Demographics Data
Demographic Data Report for Iowa by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Value
United States
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,429,392.
- Rank within US : N/A
Iowa
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 728,737.
- Rank within US : This state is ranked 18 of 52
Jefferson County
- Value (Percent) : The value is 15.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,867.
- Rank within US : This county is ranked 3051 of 3146
Story County
- Value (Percent) : The value is 16.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 16,104.
- Rank within US : This county is ranked 2990 of 3146
Winneshiek County
- Value (Percent) : The value is 18.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,750.
- Rank within US : This county is ranked 2763 of 3146
Dickinson County
- Value (Percent) : The value is 18.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,236.
- Rank within US : This county is ranked 2697 of 3146
Poweshiek County
- Value (Percent) : The value is 19.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,596.
- Rank within US : This county is ranked 2522 of 3146
Page County
- Value (Percent) : The value is 19.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,045.
- Rank within US : This county is ranked 2424 of 3146
Johnson County
- Value (Percent) : The value is 20.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 29,819.
- Rank within US : This county is ranked 2397 of 3146
Monona County
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,786.
- Rank within US : This county is ranked 2274 of 3146
Audubon County
- Value (Percent) : The value is 20.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,146.
- Rank within US : This county is ranked 2224 of 3146
Cerro Gordo County
- Value (Percent) : The value is 20.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,813.
- Rank within US : This county is ranked 2222 of 3146
Emmet County
- Value (Percent) : The value is 20.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,959.
- Rank within US : This county is ranked 2166 of 3146
Adams County
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 767.
- Rank within US : This county is ranked 2124 of 3146
Fayette County
- Value (Percent) : The value is 21.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,149.
- Rank within US : This county is ranked 2099 of 3146
Worth County
- Value (Percent) : The value is 21.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,561.
- Rank within US : This county is ranked 2097 of 3146
Hardin County
- Value (Percent) : The value is 21.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,582.
- Rank within US : This county is ranked 2090 of 3146
Calhoun County
- Value (Percent) : The value is 21.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,063.
- Rank within US : This county is ranked 2032 of 3146
Webster County
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,768.
- Rank within US : This county is ranked 1999 of 3146
Clayton County
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,758.
- Rank within US : This county is ranked 1977 of 3146
Jones County
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,391.
- Rank within US : This county is ranked 1966 of 3146
Adair County
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,519.
- Rank within US : This county is ranked 1922 of 3146
Cherokee County
- Value (Percent) : The value is 21.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,437.
- Rank within US : This county is ranked 1905 of 3146
Pocahontas County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,465.
- Rank within US : This county is ranked 1870 of 3146
Black Hawk County
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 28,685.
- Rank within US : This county is ranked 1816 of 3146
Winnebago County
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,286.
- Rank within US : This county is ranked 1796 of 3146
Boone County
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,724.
- Rank within US : This county is ranked 1792 of 3146
Decatur County
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,735.
- Rank within US : This county is ranked 1775 of 3146
Lee County
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,448.
- Rank within US : This county is ranked 1767 of 3146
Fremont County
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,512.
- Rank within US : This county is ranked 1766 of 3146
Henry County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,360.
- Rank within US : This county is ranked 1733 of 3146
Appanoose County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,733.
- Rank within US : This county is ranked 1699 of 3146
Kossuth County
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,293.
- Rank within US : This county is ranked 1683 of 3146
Hancock County
- Value (Percent) : The value is 22.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,388.
- Rank within US : This county is ranked 1635 of 3146
Cass County
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,906.
- Rank within US : This county is ranked 1595 of 3146
Jackson County
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,312.
- Rank within US : This county is ranked 1578 of 3146
Bremer County
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,538.
- Rank within US : This county is ranked 1561 of 3146
Shelby County
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,587.
- Rank within US : This county is ranked 1545 of 3146
Sac County
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,188.
- Rank within US : This county is ranked 1530 of 3146
Jasper County
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,275.
- Rank within US : This county is ranked 1503 of 3146
Union County
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,775.
- Rank within US : This county is ranked 1472 of 3146
Floyd County
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,562.
- Rank within US : This county is ranked 1432 of 3146
Clay County
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,661.
- Rank within US : This county is ranked 1419 of 3146
Louisa County
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,528.
- Rank within US : This county is ranked 1409 of 3146
Des Moines County
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,929.
- Rank within US : This county is ranked 1383 of 3146
Wapello County
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,987.
- Rank within US : This county is ranked 1350 of 3146
Guthrie County
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,431.
- Rank within US : This county is ranked 1335 of 3146
Clinton County
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,689.
- Rank within US : This county is ranked 1334 of 3146
Keokuk County
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,322.
- Rank within US : This county is ranked 1329 of 3146
Greene County
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,042.
- Rank within US : This county is ranked 1312 of 3146
Chickasaw County
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,752.
- Rank within US : This county is ranked 1281 of 3146
Montgomery County
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,301.
- Rank within US : This county is ranked 1279 of 3146
Hamilton County
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,433.
- Rank within US : This county is ranked 1278 of 3146
Dubuque County
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 22,203.
- Rank within US : This county is ranked 1275 of 3146
Iowa County
- Value (Percent) : The value is 23.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,720.
- Rank within US : This county is ranked 1240 of 3146
Harrison County
- Value (Percent) : The value is 23.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,238.
- Rank within US : This county is ranked 1237 of 3146
Grundy County
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,835.
- Rank within US : This county is ranked 1205 of 3146
Cedar County
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,255.
- Rank within US : This county is ranked 1200 of 3146
Franklin County
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,343.
- Rank within US : This county is ranked 1193 of 3146
Allamakee County
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,194.
- Rank within US : This county is ranked 1173 of 3146
Lucas County
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,988.
- Rank within US : This county is ranked 1158 of 3146
Taylor County
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,435.
- Rank within US : This county is ranked 1110 of 3146
Butler County
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,408.
- Rank within US : This county is ranked 1097 of 3146
Humboldt County
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,227.
- Rank within US : This county is ranked 1090 of 3146
Van Buren County
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,669.
- Rank within US : This county is ranked 1071 of 3146
Marion County
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,744.
- Rank within US : This county is ranked 1068 of 3146
Osceola County
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,416.
- Rank within US : This county is ranked 1052 of 3146
Mitchell County
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,484.
- Rank within US : This county is ranked 1046 of 3146
Ida County
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,619.
- Rank within US : This county is ranked 1032 of 3146
Linn County
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 52,610.
- Rank within US : This county is ranked 1023 of 3146
Pottawattamie County
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 21,991.
- Rank within US : This county is ranked 1003 of 3146
Monroe County
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,840.
- Rank within US : This county is ranked 994 of 3146
Benton County
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,052.
- Rank within US : This county is ranked 979 of 3146
Palo Alto County
- Value (Percent) : The value is 23.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,130.
- Rank within US : This county is ranked 963 of 3146
O'Brien County
- Value (Percent) : The value is 23.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,279.
- Rank within US : This county is ranked 942 of 3146
Scott County
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 41,147.
- Rank within US : This county is ranked 851 of 3146
Mills County
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,597.
- Rank within US : This county is ranked 823 of 3146
Delaware County
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,120.
- Rank within US : This county is ranked 805 of 3146
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 803 of 3146
Wright County
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,057.
- Rank within US : This county is ranked 797 of 3146
Tama County
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,096.
- Rank within US : This county is ranked 785 of 3146
Ringgold County
- Value (Percent) : The value is 24.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,198.
- Rank within US : This county is ranked 754 of 3146
Carroll County
- Value (Percent) : The value is 24.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,968.
- Rank within US : This county is ranked 646 of 3146
Clarke County
- Value (Percent) : The value is 24.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,301.
- Rank within US : This county is ranked 625 of 3146
Washington County
- Value (Percent) : The value is 24.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,466.
- Rank within US : This county is ranked 587 of 3146
Madison County
- Value (Percent) : The value is 24.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,963.
- Rank within US : This county is ranked 581 of 3146
Warren County
- Value (Percent) : The value is 24.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,423.
- Rank within US : This county is ranked 564 of 3146
Crawford County
- Value (Percent) : The value is 24.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,228.
- Rank within US : This county is ranked 560 of 3146
Muscatine County
- Value (Percent) : The value is 24.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,700.
- Rank within US : This county is ranked 534 of 3146
Plymouth County
- Value (Percent) : The value is 25.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,258.
- Rank within US : This county is ranked 528 of 3146
Polk County
- Value (Percent) : The value is 25.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 119,828.
- Rank within US : This county is ranked 520 of 3146
Wayne County
- Value (Percent) : The value is 25.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,618.
- Rank within US : This county is ranked 479 of 3146
Marshall County
- Value (Percent) : The value is 25.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,064.
- Rank within US : This county is ranked 477 of 3146
Howard County
- Value (Percent) : The value is 25.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,339.
- Rank within US : This county is ranked 448 of 3146
Buena Vista County
- Value (Percent) : The value is 25.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,194.
- Rank within US : This county is ranked 354 of 3146
Woodbury County
- Value (Percent) : The value is 26.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 26,845.
- Rank within US : This county is ranked 320 of 3146
Buchanan County
- Value (Percent) : The value is 26.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,649.
- Rank within US : This county is ranked 247 of 3146
Sioux County
- Value (Percent) : The value is 27.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,432.
- Rank within US : This county is ranked 211 of 3146
Dallas County
- Value (Percent) : The value is 27.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 24,336.
- Rank within US : This county is ranked 150 of 3146
Lyon County
- Value (Percent) : The value is 28.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,330.
- Rank within US : This county is ranked 140 of 3146
Davis County
- Value (Percent) : The value is 29.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,621.
- Rank within US : This county is ranked 106 of 3146
Notes:
Created by statecancerprofiles.cancer.gov on 08/16/2022 1:13 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.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.