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Demographics Table

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Demographic Data Report for Iowa by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name ascending
Value (Percent)
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People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
United States 47.9 157,871,085 N/A
Iowa 47.8 1,518,059 31 of 52
Wright County 52.7 6,841 1,279
Worth County 54.7 4,074 839
Woodbury County 44.9 47,217 2,716
Winneshiek County 51.6 10,365 1,569
Winnebago County 51.3 5,506 1,640
Webster County 48.8 18,120 2,185
Wayne County 51.6 3,359 1,547
Washington County 50.3 11,320 1,904
Warren County 48.0 24,884 2,336
Wapello County 49.4 17,442 2,092
Van Buren County 55.7 4,010 652
Union County 49.5 6,032 2,068
Taylor County 53.7 3,188 1,033
Tama County 51.6 8,811 1,561
Story County 34.3 33,643 3,119
Sioux County 42.9 15,294 2,872
Shelby County 54.2 6,372 928
Scott County 48.2 83,889 2,311
Sac County 56.1 5,513 614
Ringgold County 53.8 2,548 1,028
Poweshiek County 50.9 9,481 1,736
Pottawattamie County 49.3 46,166 2,095
Polk County 43.9 214,394 2,805
Pocahontas County 54.9 3,891 805
Plymouth County 50.5 12,889 1,856
Palo Alto County 52.3 4,701 1,388
Page County 55.1 8,405 751
Osceola County 54.3 3,350 907
O'Brien County 50.9 7,201 1,729
Muscatine County 47.5 20,496 2,414
Montgomery County 52.5 5,426 1,323
Monroe County 51.6 3,913 1,574
Monona County 55.7 4,862 663
Mitchell County 52.7 5,552 1,271
Mills County 52.6 7,713 1,296
Marshall County 48.2 19,350 2,302
Marion County 49.5 16,516 2,067
Mahaska County 48.5 10,738 2,247
Madison County 50.8 8,334 1,773
Lyon County 47.6 5,684 2,409
Lucas County 53.9 4,662 995
Louisa County 52.7 5,742 1,277
Linn County 47.4 108,242 2,435
Lee County 53.8 18,156 1,016
Kossuth County 54.4 8,062 887
Keokuk County 53.9 5,413 1,010
Jones County 54.1 11,198 941
Johnson County 37.6 57,140 3,075
Jefferson County 52.9 8,378 1,244
Jasper County 51.1 19,274 1,666
Jackson County 54.0 10,533 968
Iowa County 53.7 8,918 1,036
Ida County 51.5 3,592 1,597
Humboldt County 52.2 5,018 1,415
Howard County 50.4 4,767 1,868
Henry County 50.8 10,400 1,777
Harrison County 52.4 7,644 1,356
Hardin County 55.4 9,410 701
Hancock County 54.9 5,952 792
Hamilton County 53.2 8,021 1,156
Guthrie County 56.9 6,035 515
Grundy County 53.0 6,543 1,202
Greene County 54.7 4,828 842
Fremont County 56.1 3,763 605
Franklin County 54.3 5,465 898
Floyd County 53.6 8,401 1,058
Fayette County 52.9 10,358 1,232
Emmet County 53.1 5,005 1,195
Dubuque County 48.2 47,568 2,303
Dickinson County 58.8 10,316 327
Des Moines County 52.9 20,663 1,239
Delaware County 54.5 9,534 871
Decatur County 45.8 3,538 2,608
Davis County 45.2 4,094 2,693
Dallas County 42.1 40,633 2,920
Crawford County 46.0 7,616 2,588
Clinton County 52.8 24,580 1,267
Clayton County 56.5 9,698 560
Clay County 51.4 8,434 1,614
Clarke County 47.7 4,644 2,389
Chickasaw County 53.4 6,420 1,105
Cherokee County 56.8 6,593 525
Cerro Gordo County 54.3 23,466 900
Cedar County 52.9 9,781 1,240
Cass County 56.0 7,372 621
Carroll County 52.3 10,854 1,376
Calhoun County 53.0 5,280 1,212
Butler County 54.4 7,841 892
Buena Vista County 44.4 9,194 2,771
Buchanan County 49.0 10,084 2,161
Bremer County 48.6 12,082 2,237
Boone County 52.6 14,065 1,288
Black Hawk County 44.3 58,183 2,779
Benton County 53.4 13,688 1,117
Audubon County 56.8 3,211 530
Appanoose County 53.7 6,609 1,044
Allamakee County 54.0 7,596 974
Adams County 55.9 2,065 639
Adair County 53.1 3,947 1,196
Notes:
Created by statecancerprofiles.cancer.gov on 04/24/2024 10:55 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.

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