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Demographic Data Report for Iowa by County
Population: Age 40-64
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value descending
People (Age 40-64)
 sort by sample size descending
Rank within US
(of 3146 counties)
 sort by rank descending
Iowa 31.0 973,401 13 of 52
United States 31.9 103,736,560 N/A
Adair County 33.3 2,357 1,826
Adams County 33.7 1,236 2,047
Allamakee County 32.2 4,451 1,265
Appanoose County 32.4 4,037 1,362
Audubon County 33.1 1,846 1,742
Benton County 34.6 8,870 2,464
Black Hawk County 27.9 36,935 218
Boone County 34.7 9,145 2,493
Bremer County 30.3 7,523 573
Buchanan County 31.3 6,603 875
Buena Vista County 28.6 5,729 274
Butler County 32.6 4,772 1,471
Calhoun County 31.6 3,082 1,005
Carroll County 32.8 6,653 1,569
Cass County 33.6 4,394 1,985
Cedar County 34.7 6,397 2,485
Cerro Gordo County 33.4 14,315 1,906
Cherokee County 32.3 3,664 1,312
Chickasaw County 34.9 4,193 2,548
Clarke County 32.5 3,042 1,406
Clay County 33.0 5,357 1,696
Clayton County 33.7 5,948 2,082
Clinton County 33.4 15,676 1,904
Crawford County 31.4 5,356 939
Dallas County 29.6 25,824 429
Davis County 28.4 2,537 267
Decatur County 26.5 2,116 121
Delaware County 34.9 5,993 2,554
Des Moines County 32.9 12,957 1,615
Dickinson County 32.7 5,603 1,522
Dubuque County 31.4 30,472 930
Emmet County 32.8 3,096 1,568
Fayette County 32.4 6,423 1,374
Floyd County 32.0 5,053 1,174
Franklin County 32.4 3,296 1,375
Fremont County 34.8 2,416 2,522
Greene County 32.7 2,926 1,503
Grundy County 33.0 4,060 1,676
Guthrie County 33.5 3,578 1,965
Hamilton County 33.5 5,017 1,927
Hancock County 32.9 3,552 1,603
Hardin County 33.7 5,749 2,055
Harrison County 34.9 4,919 2,567
Henry County 31.2 6,214 839
Howard County 31.4 2,893 914
Humboldt County 31.8 3,034 1,061
Ida County 31.9 2,204 1,151
Iowa County 34.4 5,565 2,369
Jackson County 33.7 6,538 2,057
Jasper County 33.3 12,309 1,840
Jefferson County 33.4 6,065 1,906
Johnson County 25.4 37,756 69
Jones County 33.4 6,876 1,923
Keokuk County 32.7 3,331 1,505
Kossuth County 31.8 4,762 1,081
Lee County 33.6 11,501 2,003
Linn County 31.3 70,106 896
Louisa County 33.8 3,782 2,117
Lucas County 33.2 2,852 1,804
Lyon County 29.6 3,486 420
Madison County 33.7 5,401 2,073
Mahaska County 31.3 6,934 882
Marion County 31.6 10,492 1,004
Marshall County 30.9 12,357 748
Mills County 34.5 5,183 2,410
Mitchell County 32.6 3,453 1,430
Monona County 31.9 2,789 1,157
Monroe County 34.4 2,684 2,371
Montgomery County 34.6 3,477 2,458
Muscatine County 31.4 13,447 910
O'Brien County 33.0 4,572 1,697
Osceola County 32.8 1,987 1,582
Page County 32.6 4,978 1,463
Palo Alto County 29.9 2,689 480
Plymouth County 32.0 8,010 1,160
Pocahontas County 35.1 2,383 2,614
Polk County 30.8 147,936 725
Pottawattamie County 32.6 30,477 1,477
Poweshiek County 30.6 5,633 665
Ringgold County 30.0 1,489 511
Sac County 33.5 3,279 1,925
Scott County 31.9 55,011 1,131
Shelby County 32.9 3,821 1,636
Sioux County 26.5 9,227 120
Story County 21.7 21,073 17
Tama County 33.5 5,707 1,955
Taylor County 30.4 1,876 615
Union County 30.2 3,736 568
Van Buren County 33.6 2,399 1,977
Wapello County 32.0 11,234 1,162
Warren County 32.2 16,132 1,258
Washington County 31.8 7,029 1,086
Wayne County 31.0 1,991 759
Webster County 30.9 11,292 740
Winnebago County 31.1 3,278 816
Winneshiek County 31.8 6,434 1,058
Woodbury County 29.8 30,590 462
Worth County 34.4 2,564 2,397
Wright County 30.7 3,915 693
Notes:
Created by statecancerprofiles.cancer.gov on 05/18/2022 6:47 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, see the dictionary.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.

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