Iowa Black or African American Alone Population By County in 2020

Updated on January 30, 2024.

Based on the US Census Vintage data estimates, in 2020, the Black or African American Alone population in Iowa was 132,865 and represented 4.16% of the total Iowa population (3,190,571).

Among Iowa counties, Polk County had the highest number of people who identified as Black or African American Alone (36,171), followed by Linn County (14,603), and Scott County (14,055). 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 261 1.86
Appanoose 106 0.86
Audubon 46 0.81
Benton 214 0.84
Black Hawk 12663 9.66
Boone 316 1.18
Bremer 342 1.37
Buchanan 124 0.6
Buena Vista 750 3.6
Butler 50 0.35
Calhoun 239 2.42
Carroll 294 1.42
Cass 62 0.47
Cedar 156 0.84
Cerro Gordo 910 2.12
Cherokee 129 1.11
Chickasaw 108 0.9
Clarke 110 1.13
Clay 136 0.83
Clayton 159 0.93
Clinton 1403 3.02
Crawford 580 3.52
Dallas 2888 2.87
Davis 22 0.24
Decatur 156 2.05
Delaware 158 0.91
Des Moines 2445 6.3
Dickinson 130 0.73
Dubuque 3747 3.77
Emmet 113 1.21
Fayette 286 1.47
Floyd 400 2.57
Franklin 126 1.26
Fremont 53 0.81
Greene 65 0.74
Grundy 92 0.75
Guthrie 74 0.7
Hamilton 209 1.39
Hancock 107 1
Hardin 237 1.41
Harrison 69 0.47
Henry 631 3.09
Howard 67 0.71
Humboldt 92 0.96
Ida 39 0.56
Iowa 125 0.75
Jackson 172 0.88
Jasper 902 2.39
Jefferson 383 2.44
Johnson 12269 8.02
Jones 524 2.54
Keokuk 70 0.7
Kossuth 151 1.02
Lee 984 2.94
Linn 14603 6.34
Louisa 150 1.39
Lucas 45 0.52
Lyon 48 0.4
Madison 107 0.64
Mahaska 432 1.95
Marion 309 0.93
Marshall 896 2.24
Mills 105 0.73
Mitchell 62 0.59
Monona 52 0.6
Monroe 72 0.95
Montgomery 61 0.59
Muscatine 1380 3.2
O'Brien 207 1.46
Osceola 55 0.89
Page 364 2.4
Palo Alto 177 1.97
Plymouth 458 1.78
Pocahontas 73 1.03
Polk 36171 7.34
Pottawattamie 1789 1.91
Poweshiek 301 1.62
Ringgold 34 0.73
Sac 43 0.44
Scott 14055 8.05
Shelby 135 1.15
Sioux 299 0.83
Story 2943 2.98
Tama 180 1.05
Taylor 39 0.67
Union 172 1.42
Van Buren 15 0.21
Wapello 1431 4.05
Warren 521 0.99
Washington 272 1.21
Wayne 41 0.63
Webster 1734 4.69
Winnebago 184 1.73
Winneshiek 166 0.83
Woodbury 5452 5.15
Worth 69 0.93
Wright 137 1.06