Demographics Table
County![]() |
Value (Percent)![]() |
People (Age 40-64)![]() |
Rank within US (of 3143 counties) ![]() |
---|---|---|---|
Iowa | 30.7 | 977,517 | 13 of 52 |
United States | 31.8 | 104,982,464 | N/A |
Adair County | 31.4 | 2,337 | 1,051 |
Adams County | 33.4 | 1,235 | 2,052 |
Allamakee County | 31.5 | 4,436 | 1,096 |
Appanoose County | 31.2 | 3,838 | 959 |
Audubon County | 32.4 | 1,832 | 1,510 |
Benton County | 35.2 | 9,025 | 2,811 |
Black Hawk County | 27.8 | 36,473 | 228 |
Boone County | 34.4 | 9,193 | 2,548 |
Bremer County | 29.4 | 7,302 | 450 |
Buchanan County | 31.2 | 6,429 | 975 |
Buena Vista County | 29.3 | 6,076 | 439 |
Butler County | 32.1 | 4,632 | 1,382 |
Calhoun County | 30.3 | 3,022 | 690 |
Carroll County | 32.3 | 6,713 | 1,486 |
Cass County | 33.5 | 4,408 | 2,111 |
Cedar County | 33.6 | 6,210 | 2,161 |
Cerro Gordo County | 33.0 | 14,234 | 1,788 |
Cherokee County | 33.3 | 3,865 | 1,987 |
Chickasaw County | 32.9 | 3,956 | 1,756 |
Clarke County | 29.4 | 2,867 | 469 |
Clay County | 30.6 | 5,020 | 760 |
Clayton County | 33.1 | 5,685 | 1,875 |
Clinton County | 33.3 | 15,510 | 1,981 |
Crawford County | 29.2 | 4,829 | 410 |
Dallas County | 30.3 | 29,271 | 678 |
Davis County | 27.9 | 2,531 | 239 |
Decatur County | 25.8 | 1,990 | 90 |
Delaware County | 34.9 | 6,115 | 2,732 |
Des Moines County | 32.2 | 12,597 | 1,444 |
Dickinson County | 32.9 | 5,774 | 1,768 |
Dubuque County | 30.4 | 30,044 | 723 |
Emmet County | 30.8 | 2,904 | 813 |
Fayette County | 31.9 | 6,251 | 1,290 |
Floyd County | 31.7 | 4,971 | 1,174 |
Franklin County | 33.3 | 3,346 | 1,970 |
Fremont County | 34.2 | 2,289 | 2,438 |
Greene County | 32.1 | 2,832 | 1,361 |
Grundy County | 32.6 | 4,020 | 1,594 |
Guthrie County | 34.5 | 3,658 | 2,592 |
Hamilton County | 32.5 | 4,895 | 1,546 |
Hancock County | 32.7 | 3,539 | 1,634 |
Hardin County | 33.4 | 5,676 | 2,042 |
Harrison County | 33.3 | 4,860 | 1,997 |
Henry County | 32.2 | 6,594 | 1,423 |
Howard County | 30.1 | 2,845 | 619 |
Humboldt County | 31.6 | 3,044 | 1,136 |
Ida County | 30.3 | 2,112 | 665 |
Iowa County | 35.0 | 5,810 | 2,756 |
Jackson County | 33.2 | 6,469 | 1,913 |
Jasper County | 32.5 | 12,235 | 1,542 |
Jefferson County | 30.3 | 4,795 | 663 |
Johnson County | 25.6 | 38,938 | 80 |
Jones County | 33.5 | 6,938 | 2,140 |
Keokuk County | 32.2 | 3,238 | 1,435 |
Kossuth County | 30.8 | 4,565 | 817 |
Lee County | 33.5 | 11,287 | 2,086 |
Linn County | 31.4 | 71,878 | 1,065 |
Louisa County | 34.0 | 3,701 | 2,355 |
Lucas County | 32.6 | 2,822 | 1,616 |
Lyon County | 29.4 | 3,510 | 448 |
Madison County | 33.6 | 5,513 | 2,168 |
Mahaska County | 30.6 | 6,769 | 755 |
Marion County | 31.7 | 10,577 | 1,160 |
Marshall County | 30.3 | 12,168 | 682 |
Mills County | 33.8 | 4,957 | 2,284 |
Mitchell County | 32.2 | 3,385 | 1,403 |
Monona County | 31.2 | 2,728 | 988 |
Monroe County | 32.1 | 2,437 | 1,380 |
Montgomery County | 31.1 | 3,213 | 938 |
Muscatine County | 31.1 | 13,408 | 927 |
O'Brien County | 30.6 | 4,332 | 771 |
Osceola County | 33.1 | 2,039 | 1,844 |
Page County | 32.6 | 4,977 | 1,625 |
Palo Alto County | 30.8 | 2,768 | 806 |
Plymouth County | 31.9 | 8,146 | 1,269 |
Pocahontas County | 32.3 | 2,292 | 1,477 |
Polk County | 30.8 | 150,658 | 825 |
Pottawattamie County | 31.9 | 29,805 | 1,244 |
Poweshiek County | 30.5 | 5,689 | 744 |
Ringgold County | 30.3 | 1,438 | 692 |
Sac County | 32.8 | 3,227 | 1,717 |
Scott County | 31.9 | 55,636 | 1,299 |
Shelby County | 31.8 | 3,731 | 1,192 |
Sioux County | 27.5 | 9,798 | 203 |
Story County | 22.0 | 21,613 | 22 |
Tama County | 31.9 | 5,451 | 1,285 |
Taylor County | 31.8 | 1,887 | 1,221 |
Union County | 29.4 | 3,583 | 458 |
Van Buren County | 33.2 | 2,387 | 1,909 |
Wapello County | 31.6 | 11,177 | 1,131 |
Warren County | 32.3 | 16,767 | 1,481 |
Washington County | 31.4 | 7,071 | 1,042 |
Wayne County | 30.6 | 1,987 | 747 |
Webster County | 30.2 | 11,190 | 635 |
Winnebago County | 30.2 | 3,245 | 648 |
Winneshiek County | 30.4 | 6,118 | 722 |
Woodbury County | 29.9 | 31,421 | 568 |
Worth County | 33.8 | 2,515 | 2,253 |
Wright County | 30.4 | 3,943 | 702 |
Notes:
Created by statecancerprofiles.cancer.gov on 06/04/2023 7:58 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, 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.
Created by statecancerprofiles.cancer.gov on 06/04/2023 7:58 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, 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.