Interpretation of Demographics Data
Demographic Data Report for Iowa by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Value
United States
- Value (Percent) : The value is 29.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 97,620,321.
- Rank within US : N/A
Iowa
- Value (Percent) : The value is 28.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 918,856.
- Rank within US : This state is ranked 20 of 52
Story County
- Value (Percent) : The value is 49.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 48,147.
- Rank within US : This county is ranked 3133 of 3143
Johnson County
- Value (Percent) : The value is 42.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 64,319.
- Rank within US : This county is ranked 3101 of 3143
Black Hawk County
- Value (Percent) : The value is 33.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 44,370.
- Rank within US : This county is ranked 2937 of 3143
Decatur County
- Value (Percent) : The value is 32.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,496.
- Rank within US : This county is ranked 2859 of 3143
Polk County
- Value (Percent) : The value is 31.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 152,650.
- Rank within US : This county is ranked 2770 of 3143
Dallas County
- Value (Percent) : The value is 30.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 29,426.
- Rank within US : This county is ranked 2689 of 3143
Winneshiek County
- Value (Percent) : The value is 29.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,995.
- Rank within US : This county is ranked 2599 of 3143
Sioux County
- Value (Percent) : The value is 29.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 10,594.
- Rank within US : This county is ranked 2573 of 3143
Webster County
- Value (Percent) : The value is 29.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 11,027.
- Rank within US : This county is ranked 2570 of 3143
Buena Vista County
- Value (Percent) : The value is 29.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 6,099.
- Rank within US : This county is ranked 2534 of 3143
Linn County
- Value (Percent) : The value is 29.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 67,030.
- Rank within US : This county is ranked 2513 of 3143
Poweshiek County
- Value (Percent) : The value is 29.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,414.
- Rank within US : This county is ranked 2470 of 3143
Woodbury County
- Value (Percent) : The value is 28.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 30,394.
- Rank within US : This county is ranked 2436 of 3143
Dubuque County
- Value (Percent) : The value is 28.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 28,501.
- Rank within US : This county is ranked 2428 of 3143
Crawford County
- Value (Percent) : The value is 28.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,729.
- Rank within US : This county is ranked 2363 of 3143
Bremer County
- Value (Percent) : The value is 28.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 7,080.
- Rank within US : This county is ranked 2346 of 3143
Scott County
- Value (Percent) : The value is 28.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 48,729.
- Rank within US : This county is ranked 2248 of 3143
Union County
- Value (Percent) : The value is 27.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,400.
- Rank within US : This county is ranked 2225 of 3143
Muscatine County
- Value (Percent) : The value is 27.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 11,912.
- Rank within US : This county is ranked 2155 of 3143
Henry County
- Value (Percent) : The value is 27.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,655.
- Rank within US : This county is ranked 2151 of 3143
Mahaska County
- Value (Percent) : The value is 27.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 6,078.
- Rank within US : This county is ranked 2130 of 3143
Wapello County
- Value (Percent) : The value is 27.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 9,680.
- Rank within US : This county is ranked 2104 of 3143
Warren County
- Value (Percent) : The value is 27.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 14,120.
- Rank within US : This county is ranked 2056 of 3143
Marion County
- Value (Percent) : The value is 27.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 9,036.
- Rank within US : This county is ranked 2005 of 3143
Pottawattamie County
- Value (Percent) : The value is 27.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 25,221.
- Rank within US : This county is ranked 1968 of 3143
Jefferson County
- Value (Percent) : The value is 26.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,262.
- Rank within US : This county is ranked 1948 of 3143
Winnebago County
- Value (Percent) : The value is 26.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,855.
- Rank within US : This county is ranked 1847 of 3143
Jasper County
- Value (Percent) : The value is 26.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 9,970.
- Rank within US : This county is ranked 1809 of 3143
Emmet County
- Value (Percent) : The value is 26.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,493.
- Rank within US : This county is ranked 1800 of 3143
Marshall County
- Value (Percent) : The value is 26.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 10,530.
- Rank within US : This county is ranked 1723 of 3143
Clarke County
- Value (Percent) : The value is 26.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,546.
- Rank within US : This county is ranked 1695 of 3143
Fayette County
- Value (Percent) : The value is 25.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,041.
- Rank within US : This county is ranked 1557 of 3143
Boone County
- Value (Percent) : The value is 25.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 6,876.
- Rank within US : This county is ranked 1553 of 3143
Clay County
- Value (Percent) : The value is 25.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,129.
- Rank within US : This county is ranked 1365 of 3143
Davis County
- Value (Percent) : The value is 25.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,281.
- Rank within US : This county is ranked 1364 of 3143
O'Brien County
- Value (Percent) : The value is 25.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,533.
- Rank within US : This county is ranked 1309 of 3143
Cedar County
- Value (Percent) : The value is 25.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,621.
- Rank within US : This county is ranked 1308 of 3143
Page County
- Value (Percent) : The value is 24.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,804.
- Rank within US : This county is ranked 1286 of 3143
Washington County
- Value (Percent) : The value is 24.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,589.
- Rank within US : This county is ranked 1236 of 3143
Hardin County
- Value (Percent) : The value is 24.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,209.
- Rank within US : This county is ranked 1217 of 3143
Buchanan County
- Value (Percent) : The value is 24.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,084.
- Rank within US : This county is ranked 1181 of 3143
Louisa County
- Value (Percent) : The value is 24.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,683.
- Rank within US : This county is ranked 1168 of 3143
Cerro Gordo County
- Value (Percent) : The value is 24.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 10,633.
- Rank within US : This county is ranked 1164 of 3143
Worth County
- Value (Percent) : The value is 24.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,834.
- Rank within US : This county is ranked 1160 of 3143
Adair County
- Value (Percent) : The value is 24.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,829.
- Rank within US : This county is ranked 1148 of 3143
Calhoun County
- Value (Percent) : The value is 24.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,446.
- Rank within US : This county is ranked 1138 of 3143
Lee County
- Value (Percent) : The value is 24.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 8,267.
- Rank within US : This county is ranked 1122 of 3143
Clinton County
- Value (Percent) : The value is 24.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 11,364.
- Rank within US : This county is ranked 1070 of 3143
Plymouth County
- Value (Percent) : The value is 24.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 6,213.
- Rank within US : This county is ranked 1052 of 3143
Des Moines County
- Value (Percent) : The value is 24.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 9,498.
- Rank within US : This county is ranked 1045 of 3143
Harrison County
- Value (Percent) : The value is 24.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,522.
- Rank within US : This county is ranked 993 of 3143
Jones County
- Value (Percent) : The value is 24.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,984.
- Rank within US : This county is ranked 985 of 3143
Tama County
- Value (Percent) : The value is 24.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,114.
- Rank within US : This county is ranked 981 of 3143
Lyon County
- Value (Percent) : The value is 24.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,877.
- Rank within US : This county is ranked 969 of 3143
Palo Alto County
- Value (Percent) : The value is 24.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,164.
- Rank within US : This county is ranked 960 of 3143
Monroe County
- Value (Percent) : The value is 24.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,823.
- Rank within US : This county is ranked 954 of 3143
Howard County
- Value (Percent) : The value is 24.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,271.
- Rank within US : This county is ranked 951 of 3143
Humboldt County
- Value (Percent) : The value is 23.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,296.
- Rank within US : This county is ranked 914 of 3143
Jackson County
- Value (Percent) : The value is 23.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,642.
- Rank within US : This county is ranked 902 of 3143
Hamilton County
- Value (Percent) : The value is 23.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,588.
- Rank within US : This county is ranked 901 of 3143
Mills County
- Value (Percent) : The value is 23.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,488.
- Rank within US : This county is ranked 898 of 3143
Madison County
- Value (Percent) : The value is 23.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,901.
- Rank within US : This county is ranked 887 of 3143
Shelby County
- Value (Percent) : The value is 23.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,792.
- Rank within US : This county is ranked 885 of 3143
Carroll County
- Value (Percent) : The value is 23.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,921.
- Rank within US : This county is ranked 870 of 3143
Ida County
- Value (Percent) : The value is 23.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,654.
- Rank within US : This county is ranked 868 of 3143
Floyd County
- Value (Percent) : The value is 23.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,680.
- Rank within US : This county is ranked 802 of 3143
Appanoose County
- Value (Percent) : The value is 23.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,885.
- Rank within US : This county is ranked 793 of 3143
Grundy County
- Value (Percent) : The value is 23.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,890.
- Rank within US : This county is ranked 789 of 3143
Lucas County
- Value (Percent) : The value is 23.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,024.
- Rank within US : This county is ranked 778 of 3143
Kossuth County
- Value (Percent) : The value is 23.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,464.
- Rank within US : This county is ranked 763 of 3143
Hancock County
- Value (Percent) : The value is 23.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,518.
- Rank within US : This county is ranked 723 of 3143
Benton County
- Value (Percent) : The value is 23.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 5,950.
- Rank within US : This county is ranked 710 of 3143
Mitchell County
- Value (Percent) : The value is 23.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,437.
- Rank within US : This county is ranked 702 of 3143
Montgomery County
- Value (Percent) : The value is 23.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,386.
- Rank within US : This county is ranked 684 of 3143
Iowa County
- Value (Percent) : The value is 23.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,827.
- Rank within US : This county is ranked 675 of 3143
Keokuk County
- Value (Percent) : The value is 23.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,315.
- Rank within US : This county is ranked 668 of 3143
Taylor County
- Value (Percent) : The value is 22.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,356.
- Rank within US : This county is ranked 622 of 3143
Greene County
- Value (Percent) : The value is 22.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,006.
- Rank within US : This county is ranked 590 of 3143
Chickasaw County
- Value (Percent) : The value is 22.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,729.
- Rank within US : This county is ranked 584 of 3143
Adams County
- Value (Percent) : The value is 22.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 838.
- Rank within US : This county is ranked 580 of 3143
Butler County
- Value (Percent) : The value is 22.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,257.
- Rank within US : This county is ranked 556 of 3143
Pocahontas County
- Value (Percent) : The value is 22.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,596.
- Rank within US : This county is ranked 536 of 3143
Wright County
- Value (Percent) : The value is 22.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,916.
- Rank within US : This county is ranked 524 of 3143
Wayne County
- Value (Percent) : The value is 22.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,461.
- Rank within US : This county is ranked 523 of 3143
Franklin County
- Value (Percent) : The value is 22.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,232.
- Rank within US : This county is ranked 475 of 3143
Allamakee County
- Value (Percent) : The value is 22.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,121.
- Rank within US : This county is ranked 472 of 3143
Monona County
- Value (Percent) : The value is 22.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,920.
- Rank within US : This county is ranked 436 of 3143
Ringgold County
- Value (Percent) : The value is 22.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,042.
- Rank within US : This county is ranked 435 of 3143
Osceola County
- Value (Percent) : The value is 22.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,356.
- Rank within US : This county is ranked 434 of 3143
Clayton County
- Value (Percent) : The value is 21.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,744.
- Rank within US : This county is ranked 403 of 3143
Dickinson County
- Value (Percent) : The value is 21.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,797.
- Rank within US : This county is ranked 375 of 3143
Sac County
- Value (Percent) : The value is 21.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,123.
- Rank within US : This county is ranked 363 of 3143
Delaware County
- Value (Percent) : The value is 21.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,764.
- Rank within US : This county is ranked 343 of 3143
Cass County
- Value (Percent) : The value is 21.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,788.
- Rank within US : This county is ranked 306 of 3143
Fremont County
- Value (Percent) : The value is 21.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,411.
- Rank within US : This county is ranked 288 of 3143
Van Buren County
- Value (Percent) : The value is 21.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,515.
- Rank within US : This county is ranked 288 of 3143
Audubon County
- Value (Percent) : The value is 21.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,187.
- Rank within US : This county is ranked 280 of 3143
Guthrie County
- Value (Percent) : The value is 20.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,208.
- Rank within US : This county is ranked 256 of 3143
Cherokee County
- Value (Percent) : The value is 20.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,384.
- Rank within US : This county is ranked 217 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 12/02/2023 12:44 am.
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.