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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 Value
County
 sort alphabetically by name ascending
Value (Percent)
 sort by value descending
People (Age 50 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
United States 35.4 116,767,305 N/A
Iowa 36.2 1,151,297 25 of 52
Story County 25.9 25,371 3,095
Johnson County 26.8 40,648 3,071
Dallas County 28.1 27,169 3,018
Polk County 31.0 151,418 2,860
Sioux County 32.1 11,446 2,778
Woodbury County 33.0 34,692 2,704
Buena Vista County 33.3 6,905 2,663
Black Hawk County 33.8 44,434 2,607
Warren County 34.8 18,038 2,500
Linn County 34.9 79,816 2,482
Davis County 35.3 3,202 2,419
Scott County 35.8 62,266 2,355
Muscatine County 35.8 15,434 2,349
Lyon County 36.1 4,311 2,300
Crawford County 36.3 6,004 2,265
Marshall County 36.8 14,782 2,181
Mahaska County 37.1 8,201 2,142
Bremer County 37.2 9,245 2,122
Decatur County 37.2 2,873 2,117
Dubuque County 37.7 37,193 2,027
Marion County 37.7 12,589 2,018
Clarke County 37.7 3,675 2,012
Madison County 37.7 6,196 2,011
Buchanan County 37.8 7,794 1,991
Wapello County 37.9 13,379 1,982
Pottawattamie County 37.9 35,494 1,957
Washington County 38.8 8,733 1,782
Webster County 38.9 14,420 1,761
Henry County 38.9 7,976 1,745
Plymouth County 39.3 10,031 1,669
Union County 39.4 4,805 1,634
Jasper County 39.5 14,875 1,616
Louisa County 39.7 4,327 1,556
Boone County 39.9 10,649 1,531
Poweshiek County 40.2 7,480 1,458
O'Brien County 40.3 5,695 1,436
Mills County 40.6 5,948 1,367
Monroe County 40.9 3,106 1,289
Tama County 41.0 6,994 1,283
Clay County 41.0 6,723 1,279
Benton County 41.0 10,520 1,275
Grundy County 41.0 5,060 1,273
Howard County 41.0 3,879 1,271
Palo Alto County 41.1 3,701 1,231
Harrison County 41.2 6,015 1,212
Ida County 41.3 2,880 1,200
Winnebago County 41.3 4,439 1,191
Des Moines County 41.3 16,145 1,188
Carroll County 41.4 8,587 1,174
Clinton County 41.5 19,313 1,151
Cedar County 41.6 7,702 1,115
Wayne County 41.7 2,709 1,114
Hamilton County 41.7 6,280 1,111
Humboldt County 41.7 4,012 1,104
Jefferson County 41.8 6,626 1,080
Mitchell County 41.9 4,407 1,073
Wright County 42.0 5,451 1,047
Iowa County 42.0 6,977 1,035
Lee County 42.1 14,207 1,016
Franklin County 42.1 4,237 1,013
Winneshiek County 42.2 8,475 1,005
Taylor County 42.2 2,504 996
Jones County 42.2 8,730 995
Floyd County 42.6 6,669 928
Worth County 42.7 3,178 914
Keokuk County 42.7 4,291 907
Montgomery County 42.9 4,431 865
Butler County 42.9 6,192 860
Chickasaw County 43.0 5,165 857
Delaware County 43.0 7,523 856
Fayette County 43.0 8,424 853
Page County 43.2 6,584 826
Calhoun County 43.5 4,329 795
Hancock County 43.5 4,711 792
Cass County 43.5 5,726 784
Greene County 43.6 3,847 775
Cerro Gordo County 43.7 18,882 753
Adair County 43.8 3,261 740
Lucas County 43.9 3,795 735
Allamakee County 43.9 6,173 734
Jackson County 43.9 8,567 728
Emmet County 43.9 4,145 727
Hardin County 44.0 7,476 718
Appanoose County 44.0 5,416 716
Osceola County 44.2 2,724 687
Guthrie County 44.5 4,717 643
Van Buren County 44.5 3,204 639
Ringgold County 44.7 2,118 623
Fremont County 44.9 3,006 612
Cherokee County 44.9 5,208 610
Shelby County 44.9 5,276 606
Kossuth County 45.2 6,702 575
Sac County 45.4 4,464 551
Adams County 45.8 1,694 500
Pocahontas County 45.8 3,250 498
Monona County 46.0 4,019 480
Clayton County 46.1 7,913 475
Audubon County 47.1 2,667 371
Dickinson County 47.7 8,357 335
Notes:
Created by statecancerprofiles.cancer.gov on 04/20/2024 12:29 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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