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Demographic Data Report for Iowa by County
Population: Age 40-64
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Value
County
 sort alphabetically by name ascending
Value (Percent)
 sort by value ascending
People (Age 40-64)
 sort by sample size descending
Rank within US
(of 3143 counties)
 sort by rank descending
United States 31.8 104,982,464 N/A
Iowa 30.7 977,517 13 of 52
Benton County 35.2 9,025 2,811
Iowa County 35.0 5,810 2,756
Delaware County 34.9 6,115 2,732
Guthrie County 34.5 3,658 2,592
Boone County 34.4 9,193 2,548
Fremont County 34.2 2,289 2,438
Louisa County 34.0 3,701 2,355
Mills County 33.8 4,957 2,284
Worth County 33.8 2,515 2,253
Madison County 33.6 5,513 2,168
Cedar County 33.6 6,210 2,161
Jones County 33.5 6,938 2,140
Cass County 33.5 4,408 2,111
Lee County 33.5 11,287 2,086
Adams County 33.4 1,235 2,052
Hardin County 33.4 5,676 2,042
Harrison County 33.3 4,860 1,997
Cherokee County 33.3 3,865 1,987
Clinton County 33.3 15,510 1,981
Franklin County 33.3 3,346 1,970
Jackson County 33.2 6,469 1,913
Van Buren County 33.2 2,387 1,909
Clayton County 33.1 5,685 1,875
Osceola County 33.1 2,039 1,844
Cerro Gordo County 33.0 14,234 1,788
Dickinson County 32.9 5,774 1,768
Chickasaw County 32.9 3,956 1,756
Sac County 32.8 3,227 1,717
Hancock County 32.7 3,539 1,634
Page County 32.6 4,977 1,625
Lucas County 32.6 2,822 1,616
Grundy County 32.6 4,020 1,594
Hamilton County 32.5 4,895 1,546
Jasper County 32.5 12,235 1,542
Audubon County 32.4 1,832 1,510
Carroll County 32.3 6,713 1,486
Warren County 32.3 16,767 1,481
Pocahontas County 32.3 2,292 1,477
Des Moines County 32.2 12,597 1,444
Keokuk County 32.2 3,238 1,435
Henry County 32.2 6,594 1,423
Mitchell County 32.2 3,385 1,403
Butler County 32.1 4,632 1,382
Monroe County 32.1 2,437 1,380
Greene County 32.1 2,832 1,361
Scott County 31.9 55,636 1,299
Fayette County 31.9 6,251 1,290
Tama County 31.9 5,451 1,285
Plymouth County 31.9 8,146 1,269
Pottawattamie County 31.9 29,805 1,244
Taylor County 31.8 1,887 1,221
Shelby County 31.8 3,731 1,192
Floyd County 31.7 4,971 1,174
Marion County 31.7 10,577 1,160
Humboldt County 31.6 3,044 1,136
Wapello County 31.6 11,177 1,131
Allamakee County 31.5 4,436 1,096
Linn County 31.4 71,878 1,065
Adair County 31.4 2,337 1,051
Washington County 31.4 7,071 1,042
Monona County 31.2 2,728 988
Buchanan County 31.2 6,429 975
Appanoose County 31.2 3,838 959
Montgomery County 31.1 3,213 938
Muscatine County 31.1 13,408 927
Polk County 30.8 150,658 825
Kossuth County 30.8 4,565 817
Emmet County 30.8 2,904 813
Palo Alto County 30.8 2,768 806
O'Brien County 30.6 4,332 771
Clay County 30.6 5,020 760
Mahaska County 30.6 6,769 755
Wayne County 30.6 1,987 747
Poweshiek County 30.5 5,689 744
Dubuque County 30.4 30,044 723
Winneshiek County 30.4 6,118 722
Wright County 30.4 3,943 702
Ringgold County 30.3 1,438 692
Calhoun County 30.3 3,022 690
Marshall County 30.3 12,168 682
Dallas County 30.3 29,271 678
Ida County 30.3 2,112 665
Jefferson County 30.3 4,795 663
Winnebago County 30.2 3,245 648
Webster County 30.2 11,190 635
Howard County 30.1 2,845 619
Woodbury County 29.9 31,421 568
Clarke County 29.4 2,867 469
Union County 29.4 3,583 458
Bremer County 29.4 7,302 450
Lyon County 29.4 3,510 448
Buena Vista County 29.3 6,076 439
Crawford County 29.2 4,829 410
Davis County 27.9 2,531 239
Black Hawk County 27.8 36,473 228
Sioux County 27.5 9,798 203
Decatur County 25.8 1,990 90
Johnson County 25.6 38,938 80
Story County 22.0 21,613 22
Notes:
Created by statecancerprofiles.cancer.gov on 03/28/2024 5:53 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, see the dictionary.
Data for United States does not include Puerto Rico.

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