According to the US Census Bureau estimates, 125,912 (4.00%) of the 3,149,900 Iowa population in 2018 identified as Black or African American alone.
In the map below, we show the specific number of Blacks or African Americans per county in Iowa. We also show the percentage of the population of each county that are African American and the gender percentages of the African American population when you interact with the map.
Polk County had the highest number of African Americans (34,838), and African Americans constituted 7.17% of the county's population. Other counties with high number of African Americans include: Linn County (13,711) - 6.07% of the county's population, and Scott County (13,648) - 7.89% of the county's population.
The data can also be found in the 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.
Hover/Click on the counties to see the values.
| County | Black Population | % of County Population |
|---|---|---|
| Adair | 33 | 0.47 |
| Adams | 13 | 0.36 |
| Allamakee | 250 | 1.81 |
| Appanoose | 98 | 0.79 |
| Audubon | 28 | 0.51 |
| Benton | 169 | 0.66 |
| Black Hawk | 12895 | 9.79 |
| Boone | 316 | 1.2 |
| Bremer | 318 | 1.27 |
| Buchanan | 121 | 0.57 |
| Buena Vista | 692 | 3.49 |
| Butler | 44 | 0.3 |
| Calhoun | 224 | 2.32 |
| Carroll | 254 | 1.26 |
| Cass | 62 | 0.48 |
| Cedar | 120 | 0.65 |
| Cerro Gordo | 823 | 1.93 |
| Cherokee | 129 | 1.14 |
| Chickasaw | 98 | 0.82 |
| Clarke | 122 | 1.29 |
| Clay | 133 | 0.82 |
| Clayton | 160 | 0.91 |
| Clinton | 1345 | 2.89 |
| Crawford | 657 | 3.85 |
| Dallas | 2160 | 2.4 |
| Davis | 17 | 0.19 |
| Decatur | 155 | 1.96 |
| Delaware | 156 | 0.91 |
| Des Moines | 2404 | 6.12 |
| Dickinson | 78 | 0.46 |
| Dubuque | 3461 | 3.57 |
| Emmet | 134 | 1.45 |
| Fayette | 291 | 1.48 |
| Floyd | 425 | 2.69 |
| Franklin | 118 | 1.17 |
| Fremont | 54 | 0.78 |
| Greene | 47 | 0.52 |
| Grundy | 63 | 0.51 |
| Guthrie | 62 | 0.58 |
| Hamilton | 162 | 1.09 |
| Hancock | 105 | 0.98 |
| Hardin | 269 | 1.59 |
| Harrison | 62 | 0.44 |
| Henry | 547 | 2.73 |
| Howard | 56 | 0.61 |
| Humboldt | 66 | 0.69 |
| Ida | 29 | 0.43 |
| Iowa | 102 | 0.63 |
| Jackson | 129 | 0.67 |
| Jasper | 863 | 2.33 |
| Jefferson | 434 | 2.4 |
| Johnson | 11630 | 7.7 |
| Jones | 525 | 2.55 |
| Keokuk | 61 | 0.6 |
| Kossuth | 168 | 1.13 |
| Lee | 1058 | 3.12 |
| Linn | 13711 | 6.07 |
| Louisa | 127 | 1.14 |
| Lucas | 37 | 0.43 |
| Lyon | 56 | 0.47 |
| Madison | 107 | 0.66 |
| Mahaska | 430 | 1.94 |
| Marion | 294 | 0.88 |
| Marshall | 920 | 2.31 |
| Mills | 105 | 0.69 |
| Mitchell | 66 | 0.63 |
| Monona | 51 | 0.59 |
| Monroe | 60 | 0.78 |
| Montgomery | 47 | 0.47 |
| Muscatine | 1236 | 2.89 |
| O'Brien | 171 | 1.24 |
| Osceola | 44 | 0.73 |
| Page | 428 | 2.81 |
| Palo Alto | 160 | 1.8 |
| Plymouth | 231 | 0.92 |
| Pocahontas | 62 | 0.92 |
| Polk | 34838 | 7.17 |
| Pottawattamie | 1643 | 1.76 |
| Poweshiek | 286 | 1.55 |
| Ringgold | 39 | 0.79 |
| Sac | 29 | 0.3 |
| Scott | 13648 | 7.89 |
| Shelby | 123 | 1.06 |
| Sioux | 286 | 0.82 |
| Story | 2839 | 2.93 |
| Tama | 162 | 0.96 |
| Taylor | 36 | 0.58 |
| Union | 177 | 1.44 |
| Van Buren | 22 | 0.31 |
| Wapello | 1361 | 3.88 |
| Warren | 454 | 0.89 |
| Washington | 274 | 1.24 |
| Wayne | 35 | 0.55 |
| Webster | 1682 | 4.63 |
| Winnebago | 181 | 1.72 |
| Winneshiek | 164 | 0.82 |
| Woodbury | 4100 | 4 |
| Worth | 69 | 0.93 |
| Wright | 126 | 1 |