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Demographics Table

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Demographic Data Report for Iowa by County
Population: Age 65 and over
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

County
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2023 Rural-Urban Continuum Codes Φ
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Value (Percent)
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People (Age 65 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Iowa N/A 18.1 582,156 21 of 52
United States N/A 17.2 57,633,628 N/A
Dickinson County Rural 28.2 5,079 213
Jefferson County Rural 26.7 4,192 314
Audubon County Rural 25.5 1,425 422
Kossuth County Rural 25.4 3,686 434
Clayton County Rural 25.0 4,260 480
Cherokee County Rural 24.9 2,885 492
Greene County Rural 24.4 2,119 555
Monona County Rural 24.4 2,084 555
Sac County Rural 24.3 2,351 569
Adams County Rural 24.2 876 578
Fremont County Rural 24.2 1,575 578
Guthrie County Urban 24.2 2,591 578
Page County Rural 24.2 3,664 578
Emmet County Rural 24.1 2,230 597
Hancock County Rural 23.9 2,554 616
Pocahontas County Rural 23.9 1,682 616
Hardin County Rural 23.8 3,968 636
Appanoose County Rural 23.7 2,882 652
Calhoun County Rural 23.7 2,320 652
Ringgold County Rural 23.7 1,099 652
Van Buren County Rural 23.6 1,707 667
Cerro Gordo County Rural 23.5 10,036 682
Cass County Rural 23.4 3,061 698
Winneshiek County Rural 23.3 4,632 716
Butler County Rural 23.2 3,306 728
Allamakee County Rural 23.1 3,258 747
Montgomery County Rural 23.1 2,361 747
Shelby County Rural 23.1 2,724 747
Floyd County Rural 23.0 3,526 767
Fayette County Rural 22.9 4,424 782
Taylor County Rural 22.9 1,342 782
Worth County Rural 22.9 1,684 782
Osceola County Rural 22.8 1,389 801
Adair County Rural 22.6 1,684 841
Chickasaw County Rural 22.6 2,671 841
Wayne County Rural 22.6 1,475 841
Keokuk County Rural 22.5 2,233 864
Clay County Rural 22.4 3,686 887
Ida County Rural 22.2 1,533 938
Jackson County Rural 22.2 4,304 938
Lee County Rural 22.2 7,309 938
Palo Alto County Rural 22.2 1,970 938
Winnebago County Rural 22.1 2,341 961
Wright County Rural 22.1 2,827 961
Lucas County Rural 22.0 1,917 986
Mitchell County Rural 21.7 2,290 1,056
Delaware County Rural 21.6 3,784 1,074
Franklin County Rural 21.6 2,147 1,074
Humboldt County Rural 21.6 2,075 1,074
Poweshiek County Rural 21.4 3,967 1,116
Des Moines County Rural 21.3 8,180 1,144
Jones County Urban 21.3 4,459 1,144
Carroll County Rural 21.2 4,361 1,168
Hamilton County Rural 21.2 3,157 1,168
O'Brien County Rural 21.2 2,989 1,168
Decatur County Rural 21.1 1,639 1,197
Cedar County Rural 21.0 3,859 1,230
Grundy County Urban 21.0 2,600 1,230
Tama County Rural 21.0 3,537 1,230
Union County Rural 20.8 2,490 1,291
Monroe County Rural 20.6 1,548 1,349
Howard County Rural 20.5 1,932 1,385
Clinton County Rural 20.3 9,378 1,446
Iowa County Rural 20.3 3,350 1,446
Henry County Rural 20.2 4,031 1,486
Harrison County Urban 20.1 2,946 1,518
Louisa County Rural 20.1 2,146 1,518
Mills County Urban 20.1 2,921 1,518
Washington County Urban 20.1 4,538 1,518
Boone County Urban 20.0 5,324 1,565
Clarke County Rural 19.9 1,924 1,589
Webster County Rural 19.9 7,323 1,589
Benton County Urban 19.8 5,093 1,625
Bremer County Urban 19.8 4,980 1,625
Jasper County Urban 19.8 7,500 1,625
Plymouth County Rural 19.8 5,096 1,625
Marion County Rural 19.4 6,515 1,743
Dubuque County Urban 19.3 19,152 1,766
Lyon County Rural 19.1 2,320 1,818
Mahaska County Rural 19.1 4,199 1,818
Pottawattamie County Urban 18.7 17,508 1,950
Buchanan County Rural 18.6 3,855 1,988
Wapello County Rural 18.4 6,496 2,046
Marshall County Rural 18.2 7,301 2,104
Davis County Rural 18.1 1,661 2,136
Muscatine County Rural 18.1 7,691 2,136
Crawford County Rural 18.0 2,928 2,168
Black Hawk County Urban 17.7 23,138 2,247
Madison County Urban 17.7 2,995 2,247
Scott County Urban 17.5 30,617 2,284
Linn County Urban 17.3 39,802 2,330
Warren County Urban 16.7 9,112 2,475
Buena Vista County Rural 16.3 3,373 2,558
Sioux County Rural 16.2 5,866 2,579
Woodbury County Urban 15.9 16,864 2,631
Polk County Urban 14.0 70,275 2,900
Johnson County Urban 13.3 20,834 2,968
Story County Urban 13.2 13,275 2,976
Dallas County Urban 12.9 13,893 3,002

Notes:
Created by statecancerprofiles.cancer.gov on 03/29/2026 10:49 am.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Population: Age 65 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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