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Demographics Table

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Demographic Data Report for Iowa by County
Population: Age 50 and over
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value ascending
People (Age 50 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
Iowa 36.2 1,151,297 25 of 52
United States 35.4 116,767,305 N/A
Adair County 43.8 3,261 740
Adams County 45.8 1,694 500
Allamakee County 43.9 6,173 734
Appanoose County 44.0 5,416 716
Audubon County 47.1 2,667 371
Benton County 41.0 10,520 1,275
Black Hawk County 33.8 44,434 2,607
Boone County 39.9 10,649 1,531
Bremer County 37.2 9,245 2,122
Buchanan County 37.8 7,794 1,991
Buena Vista County 33.3 6,905 2,663
Butler County 42.9 6,192 860
Calhoun County 43.5 4,329 795
Carroll County 41.4 8,587 1,174
Cass County 43.5 5,726 784
Cedar County 41.6 7,702 1,115
Cerro Gordo County 43.7 18,882 753
Cherokee County 44.9 5,208 610
Chickasaw County 43.0 5,165 857
Clarke County 37.7 3,675 2,012
Clay County 41.0 6,723 1,279
Clayton County 46.1 7,913 475
Clinton County 41.5 19,313 1,151
Crawford County 36.3 6,004 2,265
Dallas County 28.1 27,169 3,018
Davis County 35.3 3,202 2,419
Decatur County 37.2 2,873 2,117
Delaware County 43.0 7,523 856
Des Moines County 41.3 16,145 1,188
Dickinson County 47.7 8,357 335
Dubuque County 37.7 37,193 2,027
Emmet County 43.9 4,145 727
Fayette County 43.0 8,424 853
Floyd County 42.6 6,669 928
Franklin County 42.1 4,237 1,013
Fremont County 44.9 3,006 612
Greene County 43.6 3,847 775
Grundy County 41.0 5,060 1,273
Guthrie County 44.5 4,717 643
Hamilton County 41.7 6,280 1,111
Hancock County 43.5 4,711 792
Hardin County 44.0 7,476 718
Harrison County 41.2 6,015 1,212
Henry County 38.9 7,976 1,745
Howard County 41.0 3,879 1,271
Humboldt County 41.7 4,012 1,104
Ida County 41.3 2,880 1,200
Iowa County 42.0 6,977 1,035
Jackson County 43.9 8,567 728
Jasper County 39.5 14,875 1,616
Jefferson County 41.8 6,626 1,080
Johnson County 26.8 40,648 3,071
Jones County 42.2 8,730 995
Keokuk County 42.7 4,291 907
Kossuth County 45.2 6,702 575
Lee County 42.1 14,207 1,016
Linn County 34.9 79,816 2,482
Louisa County 39.7 4,327 1,556
Lucas County 43.9 3,795 735
Lyon County 36.1 4,311 2,300
Madison County 37.7 6,196 2,011
Mahaska County 37.1 8,201 2,142
Marion County 37.7 12,589 2,018
Marshall County 36.8 14,782 2,181
Mills County 40.6 5,948 1,367
Mitchell County 41.9 4,407 1,073
Monona County 46.0 4,019 480
Monroe County 40.9 3,106 1,289
Montgomery County 42.9 4,431 865
Muscatine County 35.8 15,434 2,349
O'Brien County 40.3 5,695 1,436
Osceola County 44.2 2,724 687
Page County 43.2 6,584 826
Palo Alto County 41.1 3,701 1,231
Plymouth County 39.3 10,031 1,669
Pocahontas County 45.8 3,250 498
Polk County 31.0 151,418 2,860
Pottawattamie County 37.9 35,494 1,957
Poweshiek County 40.2 7,480 1,458
Ringgold County 44.7 2,118 623
Sac County 45.4 4,464 551
Scott County 35.8 62,266 2,355
Shelby County 44.9 5,276 606
Sioux County 32.1 11,446 2,778
Story County 25.9 25,371 3,095
Tama County 41.0 6,994 1,283
Taylor County 42.2 2,504 996
Union County 39.4 4,805 1,634
Van Buren County 44.5 3,204 639
Wapello County 37.9 13,379 1,982
Warren County 34.8 18,038 2,500
Washington County 38.8 8,733 1,782
Wayne County 41.7 2,709 1,114
Webster County 38.9 14,420 1,761
Winnebago County 41.3 4,439 1,191
Winneshiek County 42.2 8,475 1,005
Woodbury County 33.0 34,692 2,704
Worth County 42.7 3,178 914
Wright County 42.0 5,451 1,047
Notes:
Created by statecancerprofiles.cancer.gov on 05/02/2024 1:17 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 50 and over, see the dictionary.
Data for United States does not include Puerto Rico.

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