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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 Count
County
 sort alphabetically by name ascending
Value (Percent)
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People (Age 40 And Over)
 sort by sample size descending
Rank within US
(of 3143 counties)
 sort by rank ascending
Iowa 47.8 1,518,059 31 of 52
United States 47.9 157,871,085 N/A
Adams County 55.9 2,065 639
Ringgold County 53.8 2,548 1,028
Taylor County 53.7 3,188 1,033
Audubon County 56.8 3,211 530
Osceola County 54.3 3,350 907
Wayne County 51.6 3,359 1,547
Decatur County 45.8 3,538 2,608
Ida County 51.5 3,592 1,597
Fremont County 56.1 3,763 605
Pocahontas County 54.9 3,891 805
Monroe County 51.6 3,913 1,574
Adair County 53.1 3,947 1,196
Van Buren County 55.7 4,010 652
Worth County 54.7 4,074 839
Davis County 45.2 4,094 2,693
Clarke County 47.7 4,644 2,389
Lucas County 53.9 4,662 995
Palo Alto County 52.3 4,701 1,388
Howard County 50.4 4,767 1,868
Greene County 54.7 4,828 842
Monona County 55.7 4,862 663
Emmet County 53.1 5,005 1,195
Humboldt County 52.2 5,018 1,415
Calhoun County 53.0 5,280 1,212
Keokuk County 53.9 5,413 1,010
Montgomery County 52.5 5,426 1,323
Franklin County 54.3 5,465 898
Winnebago County 51.3 5,506 1,640
Sac County 56.1 5,513 614
Mitchell County 52.7 5,552 1,271
Lyon County 47.6 5,684 2,409
Louisa County 52.7 5,742 1,277
Hancock County 54.9 5,952 792
Union County 49.5 6,032 2,068
Guthrie County 56.9 6,035 515
Shelby County 54.2 6,372 928
Chickasaw County 53.4 6,420 1,105
Grundy County 53.0 6,543 1,202
Cherokee County 56.8 6,593 525
Appanoose County 53.7 6,609 1,044
Wright County 52.7 6,841 1,279
O'Brien County 50.9 7,201 1,729
Cass County 56.0 7,372 621
Allamakee County 54.0 7,596 974
Crawford County 46.0 7,616 2,588
Harrison County 52.4 7,644 1,356
Mills County 52.6 7,713 1,296
Butler County 54.4 7,841 892
Hamilton County 53.2 8,021 1,156
Kossuth County 54.4 8,062 887
Madison County 50.8 8,334 1,773
Jefferson County 52.9 8,378 1,244
Floyd County 53.6 8,401 1,058
Page County 55.1 8,405 751
Clay County 51.4 8,434 1,614
Tama County 51.6 8,811 1,561
Iowa County 53.7 8,918 1,036
Buena Vista County 44.4 9,194 2,771
Hardin County 55.4 9,410 701
Poweshiek County 50.9 9,481 1,736
Delaware County 54.5 9,534 871
Clayton County 56.5 9,698 560
Cedar County 52.9 9,781 1,240
Buchanan County 49.0 10,084 2,161
Dickinson County 58.8 10,316 327
Fayette County 52.9 10,358 1,232
Winneshiek County 51.6 10,365 1,569
Henry County 50.8 10,400 1,777
Jackson County 54.0 10,533 968
Mahaska County 48.5 10,738 2,247
Carroll County 52.3 10,854 1,376
Jones County 54.1 11,198 941
Washington County 50.3 11,320 1,904
Bremer County 48.6 12,082 2,237
Plymouth County 50.5 12,889 1,856
Benton County 53.4 13,688 1,117
Boone County 52.6 14,065 1,288
Sioux County 42.9 15,294 2,872
Marion County 49.5 16,516 2,067
Wapello County 49.4 17,442 2,092
Webster County 48.8 18,120 2,185
Lee County 53.8 18,156 1,016
Jasper County 51.1 19,274 1,666
Marshall County 48.2 19,350 2,302
Muscatine County 47.5 20,496 2,414
Des Moines County 52.9 20,663 1,239
Cerro Gordo County 54.3 23,466 900
Clinton County 52.8 24,580 1,267
Warren County 48.0 24,884 2,336
Story County 34.3 33,643 3,119
Dallas County 42.1 40,633 2,920
Pottawattamie County 49.3 46,166 2,095
Woodbury County 44.9 47,217 2,716
Dubuque County 48.2 47,568 2,303
Johnson County 37.6 57,140 3,075
Black Hawk County 44.3 58,183 2,779
Scott County 48.2 83,889 2,311
Linn County 47.4 108,242 2,435
Polk County 43.9 214,394 2,805
Notes:
Created by statecancerprofiles.cancer.gov on 07/13/2024 9:42 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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