Iowa Black or African American Alone Population By County in 2020

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2020, the Black or African American Alone population in Iowa was 133,046 and represented 4.17% of the total Iowa population (3,190,904).

Among Iowa counties, Polk County had the highest number of people who identified as Black or African American Alone (36,053), followed by Linn County (14,614), and Scott County (14,106). Van Buren County had the lowest (15).

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 2020
Iowa Black or African American Alone Population By County in 2020
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County Black Alone Population % of County Population
Adair 58 0.77
Adams 24 0.65
Allamakee 257 1.83
Appanoose 105 0.86
Audubon 46 0.81
Benton 213 0.83
Black Hawk 12709 9.7
Boone 318 1.19
Bremer 345 1.38
Buchanan 122 0.59
Buena Vista 750 3.61
Butler 49 0.34
Calhoun 240 2.42
Carroll 288 1.39
Cass 62 0.47
Cedar 158 0.85
Cerro Gordo 908 2.11
Cherokee 135 1.16
Chickasaw 107 0.89
Clarke 109 1.12
Clay 136 0.83
Clayton 159 0.93
Clinton 1404 3.02
Crawford 580 3.52
Dallas 2900 2.89
Davis 23 0.25
Decatur 155 2.04
Delaware 158 0.91
Des Moines 2459 6.33
Dickinson 130 0.73
Dubuque 3767 3.79
Emmet 111 1.19
Fayette 287 1.48
Floyd 399 2.56
Franklin 128 1.28
Fremont 53 0.81
Greene 66 0.75
Grundy 88 0.71
Guthrie 72 0.68
Hamilton 216 1.44
Hancock 106 0.99
Hardin 235 1.4
Harrison 69 0.47
Henry 627 3.07
Howard 69 0.73
Humboldt 92 0.96
Ida 39 0.56
Iowa 123 0.74
Jackson 167 0.86
Jasper 897 2.37
Jefferson 374 2.38
Johnson 12287 8.03
Jones 519 2.51
Keokuk 70 0.7
Kossuth 153 1.03
Lee 974 2.91
Linn 14614 6.34
Louisa 149 1.38
Lucas 45 0.52
Lyon 47 0.39
Madison 105 0.63
Mahaska 429 1.94
Marion 306 0.92
Marshall 900 2.25
Mills 103 0.72
Mitchell 62 0.59
Monona 55 0.63
Monroe 72 0.95
Montgomery 60 0.58
Muscatine 1396 3.24
O'Brien 214 1.51
Osceola 55 0.89
Page 361 2.38
Palo Alto 177 1.97
Plymouth 462 1.8
Pocahontas 72 1.02
Polk 36053 7.31
Pottawattamie 1791 1.91
Poweshiek 304 1.63
Ringgold 33 0.71
Sac 42 0.43
Scott 14106 8.08
Shelby 136 1.16
Sioux 313 0.87
Story 2999 3.04
Tama 193 1.13
Taylor 41 0.7
Union 172 1.42
Van Buren 15 0.21
Wapello 1460 4.13
Warren 524 1
Washington 270 1.2
Wayne 37 0.57
Webster 1729 4.67
Winnebago 184 1.73
Winneshiek 164 0.82
Woodbury 5490 5.18
Worth 69 0.93
Wright 142 1.1