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Demographics Table

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Demographic Data Report for Iowa by County
Population: Black
All Ages, Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

County
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Black)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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United States N/A 12.2 40,919,547 N/A
Iowa N/A 3.9 124,520 38 of 52
Black Hawk County Urban 9.3 12,135 801
Johnson County Urban 7.7 12,059 886
Polk County Urban 7.4 37,401 904
Scott County Urban 7.2 12,617 920
Linn County Urban 6.0 13,735 1,017
Woodbury County Urban 4.9 5,255 1,120
Des Moines County Rural 4.8 1,830 1,143
Buena Vista County Rural 3.3 679 1,341
Webster County Rural 3.3 1,201 1,341
Clinton County Rural 3.1 1,434 1,383
Dallas County Urban 3.0 3,189 1,401
Dubuque County Urban 3.0 2,932 1,401
Wapello County Rural 3.0 1,068 1,401
Story County Urban 2.8 2,796 1,430
Henry County Rural 2.5 510 1,484
Jefferson County Rural 2.5 399 1,484
Jones County Urban 2.5 514 1,484
Lee County Rural 2.5 815 1,484
Plymouth County Rural 2.4 615 1,505
Cerro Gordo County Rural 2.3 987 1,524
Muscatine County Rural 2.3 958 1,524
Winnebago County Rural 2.2 237 1,555
Marshall County Rural 2.1 824 1,588
Pottawattamie County Urban 1.9 1,810 1,645
Allamakee County Rural 1.8 257 1,675
Montgomery County Rural 1.8 184 1,675
Cherokee County Rural 1.7 202 1,711
O'Brien County Rural 1.7 240 1,711
Page County Rural 1.7 259 1,711
Calhoun County Rural 1.6 158 1,752
Emmet County Rural 1.6 152 1,752
Palo Alto County Rural 1.6 145 1,752
Union County Rural 1.6 196 1,752
Adair County Rural 1.5 115 1,792
Jasper County Urban 1.5 583 1,792
Floyd County Rural 1.4 211 1,835
Decatur County Rural 1.3 102 1,870
Mahaska County Rural 1.3 293 1,870
Pocahontas County Rural 1.3 91 1,870
Boone County Urban 1.2 307 1,921
Monroe County Rural 1.2 90 1,921
Tama County Rural 1.2 207 1,921
Bremer County Urban 1.1 289 1,980
Hardin County Rural 1.1 180 1,980
Hamilton County Rural 1.0 144 2,041
Jackson County Rural 1.0 189 2,041
Louisa County Rural 1.0 110 2,041
Poweshiek County Rural 1.0 193 2,041
Washington County Urban 1.0 236 2,041
Cass County Rural 0.9 118 2,118
Crawford County Rural 0.9 152 2,118
Madison County Urban 0.9 149 2,118
Appanoose County Rural 0.8 100 2,184
Fayette County Rural 0.8 153 2,184
Howard County Rural 0.8 79 2,184
Worth County Rural 0.8 59 2,184
Carroll County Rural 0.7 139 2,290
Clayton County Rural 0.7 112 2,290
Franklin County Rural 0.7 67 2,290
Kossuth County Rural 0.7 104 2,290
Warren County Urban 0.7 405 2,290
Buchanan County Rural 0.6 124 2,378
Fremont County Rural 0.6 39 2,378
Grundy County Urban 0.6 71 2,378
Guthrie County Urban 0.6 60 2,378
Sioux County Rural 0.6 214 2,378
Audubon County Rural 0.5 28 2,482
Chickasaw County Rural 0.5 64 2,482
Osceola County Rural 0.5 29 2,482
Sac County Rural 0.5 49 2,482
Benton County Urban 0.4 107 2,572
Cedar County Rural 0.4 79 2,572
Hancock County Rural 0.4 48 2,572
Lyon County Rural 0.4 43 2,572
Marion County Rural 0.4 141 2,572
Mills County Urban 0.4 59 2,572
Ringgold County Rural 0.4 18 2,572
Van Buren County Rural 0.4 31 2,572
Winneshiek County Rural 0.4 81 2,572
Wright County Rural 0.4 56 2,572
Adams County Rural 0.3 11 2,683
Clay County Rural 0.3 45 2,683
Humboldt County Rural 0.3 32 2,683
Ida County Rural 0.3 23 2,683
Iowa County Rural 0.3 54 2,683
Keokuk County Rural 0.3 26 2,683
Lucas County Rural 0.3 25 2,683
Mitchell County Rural 0.3 37 2,683
Shelby County Rural 0.3 37 2,683
Butler County Rural 0.2 24 2,804
Monona County Rural 0.2 21 2,804
Taylor County Rural 0.2 10 2,804
Wayne County Rural 0.2 12 2,804
Clarke County Rural 0.1 5 2,904
Delaware County Rural 0.1 13 2,904
Greene County Rural 0.1 10 2,904
Harrison County Urban 0.1 18 2,904
Davis County Rural 0.0 0 3,021
Dickinson County Rural 0.0 6 3,021

Notes:
Created by statecancerprofiles.cancer.gov on 03/29/2026 4:10 pm.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Population: Black, see the dictionary.

Data for United States does not include Puerto Rico.

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