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

Notes:
Created by statecancerprofiles.cancer.gov on 03/30/2026 12:07 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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