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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
2018-2022 American Community Survey 5-Year Data
Sorted by Rank
County
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Iowa N/A 47.9 1,527,939 35 of 52
United States N/A 48.1 159,204,421 N/A
Story County Urban 34.3 33,778 3,117
Johnson County Urban 37.9 58,075 3,074
Dallas County Urban 41.9 42,038 2,936
Sioux County Rural 43.5 15,594 2,845
Buena Vista County Rural 44.1 9,127 2,804
Polk County Urban 44.2 217,886 2,800
Black Hawk County Urban 44.3 58,022 2,795
Woodbury County Urban 45.2 47,646 2,716
Davis County Rural 46.2 4,197 2,612
Crawford County Rural 46.4 7,626 2,588
Decatur County Rural 46.7 3,588 2,537
Lyon County Rural 47.7 5,740 2,408
Linn County Urban 47.8 109,665 2,400
Warren County Urban 47.9 25,228 2,393
Muscatine County Rural 48.1 20,672 2,357
Scott County Urban 48.2 83,964 2,351
Dubuque County Urban 48.2 47,596 2,350
Marshall County Rural 48.2 19,323 2,338
Bremer County Urban 48.4 12,110 2,306
Clarke County Rural 48.9 4,762 2,220
Buchanan County Rural 49.2 10,154 2,155
Howard County Rural 49.3 4,674 2,139
Wapello County Rural 49.4 17,443 2,114
Mahaska County Rural 49.5 10,919 2,101
Pottawattamie County Urban 49.5 46,306 2,099
Webster County Rural 49.7 18,371 2,060
Marion County Rural 49.7 16,637 2,054
Union County Rural 50.0 6,054 1,982
Washington County Urban 50.2 11,316 1,939
Henry County Rural 50.4 10,300 1,898
O'Brien County Rural 50.5 7,133 1,881
Tama County Rural 50.7 8,635 1,815
Poweshiek County Rural 50.8 9,454 1,795
Monroe County Rural 50.9 3,852 1,782
Plymouth County Rural 50.9 13,043 1,772
Winnebago County Rural 51.3 5,489 1,675
Jasper County Urban 51.4 19,428 1,640
Madison County Urban 51.5 8,555 1,610
Palo Alto County Rural 51.8 4,626 1,550
Wright County Rural 51.8 6,676 1,545
Clay County Rural 51.8 8,504 1,542
Grundy County Urban 51.9 6,415 1,498
Wayne County Rural 52.1 3,381 1,444
Des Moines County Rural 52.2 20,261 1,429
Harrison County Urban 52.3 7,654 1,395
Boone County Urban 52.4 13,988 1,380
Hamilton County Rural 52.4 7,848 1,379
Calhoun County Rural 52.5 5,189 1,364
Ida County Rural 52.5 3,656 1,361
Winneshiek County Rural 52.5 10,527 1,342
Carroll County Rural 52.6 10,911 1,311
Humboldt County Rural 52.6 5,057 1,310
Adair County Rural 52.7 3,944 1,284
Mitchell County Rural 52.7 5,558 1,283
Clinton County Rural 52.8 24,523 1,278
Iowa County Rural 52.9 8,773 1,241
Mills County Urban 53.2 7,763 1,195
Benton County Urban 53.2 13,635 1,194
Louisa County Rural 53.2 5,753 1,193
Montgomery County Rural 53.3 5,482 1,154
Allamakee County Rural 53.4 7,502 1,133
Fayette County Rural 53.5 10,433 1,125
Keokuk County Rural 53.5 5,363 1,114
Cedar County Rural 53.5 9,893 1,107
Franklin County Rural 53.6 5,369 1,091
Floyd County Rural 53.6 8,367 1,087
Ringgold County Rural 53.7 2,517 1,076
Lucas County Rural 53.7 4,656 1,068
Delaware County Rural 53.8 9,423 1,059
Emmet County Rural 54.0 5,051 1,015
Appanoose County Rural 54.1 6,640 1,002
Jackson County Rural 54.1 10,542 981
Taylor County Rural 54.3 3,212 941
Chickasaw County Rural 54.3 6,497 932
Butler County Rural 54.4 7,820 921
Cerro Gordo County Rural 54.6 23,464 890
Lee County Rural 54.6 18,272 880
Osceola County Rural 54.7 3,361 876
Kossuth County Rural 54.8 8,065 840
Pocahontas County Rural 54.8 3,871 837
Greene County Rural 54.9 4,829 826
Shelby County Rural 54.9 6,447 818
Hancock County Rural 55.1 5,946 782
Worth County Rural 55.2 4,091 771
Monona County Rural 55.2 4,789 754
Sac County Rural 55.3 5,404 748
Jones County Urban 55.4 11,492 722
Page County Rural 55.7 8,481 679
Jefferson County Rural 55.9 8,827 648
Adams County Rural 56.0 2,059 644
Hardin County Rural 56.0 9,437 640
Cass County Rural 56.2 7,367 617
Van Buren County Rural 56.3 4,058 597
Audubon County Rural 56.6 3,196 570
Fremont County Rural 56.7 3,767 540
Cherokee County Rural 56.9 6,606 521
Clayton County Rural 57.0 9,755 519
Guthrie County Urban 57.2 6,072 498
Dickinson County Rural 59.2 10,474 311
Notes:
Created by statecancerprofiles.cancer.gov on 10/03/2024 2:18 pm.

Φ Rural-Urban Continuum Codes provided by the USDA.

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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