Iowa Black or African American Alone Population By County in 2021

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2021, the Black or African American Alone population in Iowa was 137,279 and represented 4.29% of the total Iowa population (3,197,944).

Among Iowa counties, Polk County had the highest number of people who identified as Black or African American Alone (37,951), followed by Linn County (14,887), and Scott County (14,166). Van Buren County had the lowest (18).

In the map below, we show the number and percentage of each county's Black or African American Alone population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and also by state for the United States.

You can also see similar information for other racial and ethnicity groups in Iowa.

See this for other years:
Iowa Black or African American Alone Population By County in 2021
Iowa Black or African American Alone Population By County in 2021
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County Black Alone Population % of County Population
Adair 62 0.82
Adams 28 0.77
Allamakee 258 1.85
Appanoose 103 0.84
Audubon 44 0.78
Benton 202 0.79
Black Hawk 12722 9.74
Boone 334 1.25
Bremer 354 1.41
Buchanan 153 0.74
Buena Vista 822 3.95
Butler 56 0.39
Calhoun 261 2.64
Carroll 274 1.32
Cass 69 0.53
Cedar 170 0.92
Cerro Gordo 909 2.13
Cherokee 142 1.23
Chickasaw 102 0.86
Clarke 119 1.22
Clay 152 0.92
Clayton 168 0.99
Clinton 1464 3.15
Crawford 569 3.51
Dallas 3401 3.27
Davis 23 0.25
Decatur 158 2.06
Delaware 158 0.9
Des Moines 2439 6.33
Dickinson 123 0.69
Dubuque 3738 3.78
Emmet 116 1.24
Fayette 291 1.51
Floyd 387 2.5
Franklin 141 1.42
Fremont 62 0.94
Greene 62 0.71
Grundy 77 0.62
Guthrie 82 0.77
Hamilton 205 1.38
Hancock 96 0.9
Hardin 236 1.41
Harrison 85 0.58
Henry 633 3.11
Howard 79 0.83
Humboldt 99 1.03
Ida 41 0.59
Iowa 113 0.68
Jackson 165 0.85
Jasper 926 2.44
Jefferson 376 2.38
Johnson 12687 8.18
Jones 546 2.62
Keokuk 80 0.81
Kossuth 146 1.01
Lee 992 2.98
Linn 14887 6.49
Louisa 155 1.45
Lucas 53 0.61
Lyon 53 0.44
Madison 110 0.66
Mahaska 387 1.76
Marion 298 0.89
Marshall 989 2.48
Mills 105 0.73
Mitchell 66 0.63
Monona 64 0.74
Monroe 78 1.03
Montgomery 74 0.72
Muscatine 1378 3.23
O'Brien 226 1.61
Osceola 65 1.05
Page 409 2.69
Palo Alto 158 1.77
Plymouth 533 2.07
Pocahontas 79 1.12
Polk 37951 7.62
Pottawattamie 1836 1.97
Poweshiek 278 1.49
Ringgold 34 0.73
Sac 49 0.5
Scott 14166 8.13
Shelby 127 1.08
Sioux 309 0.86
Story 3130 3.14
Tama 193 1.14
Taylor 40 0.68
Union 166 1.38
Van Buren 18 0.25
Wapello 1490 4.22
Warren 565 1.06
Washington 245 1.09
Wayne 38 0.58
Webster 1846 4.97
Winnebago 189 1.77
Winneshiek 178 0.89
Woodbury 5732 5.42
Worth 70 0.95
Wright 162 1.26