Ranking of Iowa Counties By Percentage of Population that are Black or African American Alone in 2020
Updated on August 12, 2024.
Based on the US Census Vintage data estimates, in 2020, among all Iowa counties, Black Hawk County had the highest percentage of its population who identified their race as Black or African American Alone (9.7%), followed by Scott County (8.08%), and Johnson County (8.03%).
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 2020
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.7 |
| 2 | Scott County | 8.08 |
| 3 | Johnson County | 8.03 |
| 4 | Polk County | 7.31 |
| 5 | Linn County | 6.34 |
| 6 | Des Moines County | 6.33 |
| 7 | Woodbury County | 5.18 |
| 8 | Webster County | 4.67 |
| 9 | Wapello County | 4.13 |
| 10 | Dubuque County | 3.79 |
| 11 | Buena Vista County | 3.61 |
| 12 | Crawford County | 3.52 |
| 13 | Muscatine County | 3.24 |
| 14 | Henry County | 3.07 |
| 15 | Story County | 3.04 |
| 16 | Clinton County | 3.02 |
| 17 | Lee County | 2.91 |
| 18 | Dallas County | 2.89 |
| 19 | Floyd County | 2.56 |
| 20 | Jones County | 2.51 |
| 21 | Calhoun County | 2.42 |
| 22 | Jefferson County | 2.38 |
| 22 | Page County | 2.38 |
| 23 | Jasper County | 2.37 |
| 24 | Marshall County | 2.25 |
| 25 | Cerro Gordo County | 2.11 |
| 26 | Decatur County | 2.04 |
| 27 | Palo Alto County | 1.97 |
| 28 | Mahaska County | 1.94 |
| 29 | Pottawattamie County | 1.91 |
| 30 | Allamakee County | 1.83 |
| 31 | Plymouth County | 1.8 |
| 32 | Winnebago County | 1.73 |
| 33 | Poweshiek County | 1.63 |
| 34 | O'Brien County | 1.51 |
| 35 | Fayette County | 1.48 |
| 36 | Hamilton County | 1.44 |
| 37 | Union County | 1.42 |
| 38 | Hardin County | 1.4 |
| 39 | Carroll County | 1.39 |
| 40 | Bremer County | 1.38 |
| 40 | Louisa County | 1.38 |
| 41 | Franklin County | 1.28 |
| 42 | Washington County | 1.2 |
| 43 | Boone County | 1.19 |
| 43 | Emmet County | 1.19 |
| 44 | Cherokee County | 1.16 |
| 44 | Shelby County | 1.16 |
| 45 | Tama County | 1.13 |
| 46 | Clarke County | 1.12 |
| 47 | Wright County | 1.1 |
| 48 | Kossuth County | 1.03 |
| 49 | Pocahontas County | 1.02 |
| 50 | Warren County | 1 |
| 51 | Hancock County | 0.99 |
| 52 | Humboldt County | 0.96 |
| 53 | Monroe County | 0.95 |
| 54 | Clayton County | 0.93 |
| 54 | Worth County | 0.93 |
| 55 | Marion County | 0.92 |
| 56 | Delaware County | 0.91 |
| 57 | Chickasaw County | 0.89 |
| 57 | Osceola County | 0.89 |
| 58 | Sioux County | 0.87 |
| 59 | Appanoose County | 0.86 |
| 59 | Jackson County | 0.86 |
| 60 | Cedar County | 0.85 |
| 61 | Benton County | 0.83 |
| 61 | Clay County | 0.83 |
| 62 | Winneshiek County | 0.82 |
| 63 | Audubon County | 0.81 |
| 63 | Fremont County | 0.81 |
| 64 | Adair County | 0.77 |
| 65 | Greene County | 0.75 |
| 66 | Iowa County | 0.74 |
| 67 | Dickinson County | 0.73 |
| 67 | Howard County | 0.73 |
| 68 | Mills County | 0.72 |
| 69 | Grundy County | 0.71 |
| 69 | Ringgold County | 0.71 |
| 70 | Keokuk County | 0.7 |
| 70 | Taylor County | 0.7 |
| 71 | Guthrie County | 0.68 |
| 72 | Adams County | 0.65 |
| 73 | Madison County | 0.63 |
| 73 | Monona County | 0.63 |
| 74 | Buchanan County | 0.59 |
| 74 | Mitchell County | 0.59 |
| 75 | Montgomery County | 0.58 |
| 76 | Wayne County | 0.57 |
| 77 | Ida County | 0.56 |
| 78 | Lucas County | 0.52 |
| 79 | Cass County | 0.47 |
| 79 | Harrison County | 0.47 |
| 80 | Sac County | 0.43 |
| 81 | Lyon County | 0.39 |
| 82 | Butler County | 0.34 |
| 83 | Davis County | 0.25 |
| 84 | Van Buren County | 0.21 |