Ranking of Iowa Counties By Percentage of Population that are Black or African American Alone in 2021
Updated on August 12, 2024.
Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Black Hawk County had the highest percentage of its population who identified their race as Black or African American Alone (9.74%), followed by Johnson County (8.18%), and Scott County (8.13%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.
You can see similar ranking information for other racial and ethnicity groups in the United States.
You can also see similar information for other states, and also the ranking of all counties in the United States.
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Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Iowa Counties By Percentage of Pop. that are
Black or African American Alone in 2021
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.74 |
| 2 | Johnson County | 8.18 |
| 3 | Scott County | 8.13 |
| 4 | Polk County | 7.62 |
| 5 | Linn County | 6.49 |
| 6 | Des Moines County | 6.33 |
| 7 | Woodbury County | 5.42 |
| 8 | Webster County | 4.97 |
| 9 | Wapello County | 4.22 |
| 10 | Buena Vista County | 3.95 |
| 11 | Dubuque County | 3.78 |
| 12 | Crawford County | 3.51 |
| 13 | Dallas County | 3.27 |
| 14 | Muscatine County | 3.23 |
| 15 | Clinton County | 3.15 |
| 16 | Story County | 3.14 |
| 17 | Henry County | 3.11 |
| 18 | Lee County | 2.98 |
| 19 | Page County | 2.69 |
| 20 | Calhoun County | 2.64 |
| 21 | Jones County | 2.62 |
| 22 | Floyd County | 2.5 |
| 23 | Marshall County | 2.48 |
| 24 | Jasper County | 2.44 |
| 25 | Jefferson County | 2.38 |
| 26 | Cerro Gordo County | 2.13 |
| 27 | Plymouth County | 2.07 |
| 28 | Decatur County | 2.06 |
| 29 | Pottawattamie County | 1.97 |
| 30 | Allamakee County | 1.85 |
| 31 | Palo Alto County | 1.77 |
| 31 | Winnebago County | 1.77 |
| 32 | Mahaska County | 1.76 |
| 33 | O'Brien County | 1.61 |
| 34 | Fayette County | 1.51 |
| 35 | Poweshiek County | 1.49 |
| 36 | Louisa County | 1.45 |
| 37 | Franklin County | 1.42 |
| 38 | Bremer County | 1.41 |
| 38 | Hardin County | 1.41 |
| 39 | Hamilton County | 1.38 |
| 39 | Union County | 1.38 |
| 40 | Carroll County | 1.32 |
| 41 | Wright County | 1.26 |
| 42 | Boone County | 1.25 |
| 43 | Emmet County | 1.24 |
| 44 | Cherokee County | 1.23 |
| 45 | Clarke County | 1.22 |
| 46 | Tama County | 1.14 |
| 47 | Pocahontas County | 1.12 |
| 48 | Washington County | 1.09 |
| 49 | Shelby County | 1.08 |
| 50 | Warren County | 1.06 |
| 51 | Osceola County | 1.05 |
| 52 | Humboldt County | 1.03 |
| 52 | Monroe County | 1.03 |
| 53 | Kossuth County | 1.01 |
| 54 | Clayton County | 0.99 |
| 55 | Worth County | 0.95 |
| 56 | Fremont County | 0.94 |
| 57 | Cedar County | 0.92 |
| 57 | Clay County | 0.92 |
| 58 | Delaware County | 0.9 |
| 58 | Hancock County | 0.9 |
| 59 | Marion County | 0.89 |
| 59 | Winneshiek County | 0.89 |
| 60 | Chickasaw County | 0.86 |
| 60 | Sioux County | 0.86 |
| 61 | Jackson County | 0.85 |
| 62 | Appanoose County | 0.84 |
| 63 | Howard County | 0.83 |
| 64 | Adair County | 0.82 |
| 65 | Keokuk County | 0.81 |
| 66 | Benton County | 0.79 |
| 67 | Audubon County | 0.78 |
| 68 | Adams County | 0.77 |
| 68 | Guthrie County | 0.77 |
| 69 | Buchanan County | 0.74 |
| 69 | Monona County | 0.74 |
| 70 | Mills County | 0.73 |
| 70 | Ringgold County | 0.73 |
| 71 | Montgomery County | 0.72 |
| 72 | Greene County | 0.71 |
| 73 | Dickinson County | 0.69 |
| 74 | Iowa County | 0.68 |
| 74 | Taylor County | 0.68 |
| 75 | Madison County | 0.66 |
| 76 | Mitchell County | 0.63 |
| 77 | Grundy County | 0.62 |
| 78 | Lucas County | 0.61 |
| 79 | Ida County | 0.59 |
| 80 | Harrison County | 0.58 |
| 80 | Wayne County | 0.58 |
| 81 | Cass County | 0.53 |
| 82 | Sac County | 0.5 |
| 83 | Lyon County | 0.44 |
| 84 | Butler County | 0.39 |
| 85 | Davis County | 0.25 |
| 85 | Van Buren County | 0.25 |