Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Black or African American 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 ethnicity as Non-Hispanic Black or African American (9.44%), followed by Johnson County (7.75%), and Scott County (7.67%).
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
Non-Hispanic Black or African American in 2020
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.44 |
| 2 | Johnson County | 7.75 |
| 3 | Scott County | 7.67 |
| 4 | Polk County | 7.09 |
| 5 | Des Moines County | 6.15 |
| 5 | Linn County | 6.15 |
| 6 | Woodbury County | 4.85 |
| 7 | Webster County | 4.41 |
| 8 | Wapello County | 3.88 |
| 9 | Dubuque County | 3.64 |
| 10 | Crawford County | 3.14 |
| 11 | Buena Vista County | 3.11 |
| 12 | Henry County | 2.89 |
| 13 | Clinton County | 2.88 |
| 14 | Lee County | 2.79 |
| 14 | Story County | 2.79 |
| 15 | Muscatine County | 2.78 |
| 16 | Dallas County | 2.74 |
| 17 | Floyd County | 2.5 |
| 18 | Jones County | 2.46 |
| 19 | Calhoun County | 2.4 |
| 20 | Page County | 2.29 |
| 21 | Jasper County | 2.24 |
| 22 | Jefferson County | 2.17 |
| 23 | Cerro Gordo County | 1.96 |
| 24 | Marshall County | 1.87 |
| 25 | Decatur County | 1.85 |
| 26 | Mahaska County | 1.84 |
| 27 | Palo Alto County | 1.8 |
| 28 | Pottawattamie County | 1.77 |
| 29 | Plymouth County | 1.7 |
| 30 | Allamakee County | 1.67 |
| 31 | Poweshiek County | 1.51 |
| 32 | Winnebago County | 1.44 |
| 33 | Fayette County | 1.43 |
| 34 | Hardin County | 1.33 |
| 35 | Bremer County | 1.31 |
| 36 | Union County | 1.28 |
| 37 | Louisa County | 1.22 |
| 38 | Carroll County | 1.21 |
| 39 | Boone County | 1.15 |
| 40 | O'Brien County | 1.14 |
| 41 | Hamilton County | 1.1 |
| 42 | Cherokee County | 1.03 |
| 43 | Emmet County | 1.02 |
| 44 | Washington County | 0.97 |
| 45 | Kossuth County | 0.95 |
| 46 | Tama County | 0.93 |
| 46 | Warren County | 0.93 |
| 47 | Pocahontas County | 0.89 |
| 48 | Clayton County | 0.86 |
| 48 | Marion County | 0.86 |
| 48 | Monroe County | 0.86 |
| 49 | Delaware County | 0.84 |
| 49 | Shelby County | 0.84 |
| 50 | Humboldt County | 0.82 |
| 51 | Clarke County | 0.81 |
| 52 | Hancock County | 0.79 |
| 53 | Cedar County | 0.78 |
| 53 | Jackson County | 0.78 |
| 54 | Clay County | 0.77 |
| 54 | Worth County | 0.77 |
| 55 | Adair County | 0.76 |
| 55 | Wright County | 0.76 |
| 56 | Osceola County | 0.74 |
| 56 | Winneshiek County | 0.74 |
| 57 | Benton County | 0.73 |
| 58 | Appanoose County | 0.72 |
| 59 | Ringgold County | 0.71 |
| 60 | Greene County | 0.7 |
| 61 | Audubon County | 0.69 |
| 61 | Dickinson County | 0.69 |
| 62 | Franklin County | 0.67 |
| 62 | Keokuk County | 0.67 |
| 63 | Fremont County | 0.66 |
| 63 | Guthrie County | 0.66 |
| 64 | Chickasaw County | 0.65 |
| 64 | Iowa County | 0.65 |
| 65 | Grundy County | 0.64 |
| 65 | Howard County | 0.64 |
| 66 | Mills County | 0.63 |
| 67 | Monona County | 0.62 |
| 68 | Adams County | 0.59 |
| 69 | Sioux County | 0.55 |
| 70 | Montgomery County | 0.54 |
| 71 | Ida County | 0.53 |
| 71 | Madison County | 0.53 |
| 71 | Mitchell County | 0.53 |
| 72 | Buchanan County | 0.51 |
| 73 | Wayne County | 0.49 |
| 74 | Harrison County | 0.44 |
| 74 | Taylor County | 0.44 |
| 75 | Lucas County | 0.43 |
| 76 | Cass County | 0.42 |
| 77 | Sac County | 0.39 |
| 78 | Butler County | 0.31 |
| 79 | Lyon County | 0.27 |
| 80 | Davis County | 0.21 |
| 81 | Van Buren County | 0.19 |