Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Black or African American in 2019
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2019, 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 (9.54%), followed by Johnson County (7.7%), and Scott County (7.62%).
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 2019
Items per page:
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.54 |
| 2 | Johnson County | 7.7 |
| 3 | Scott County | 7.62 |
| 4 | Polk County | 7.08 |
| 5 | Des Moines County | 6.08 |
| 6 | Linn County | 6.03 |
| 7 | Webster County | 4.35 |
| 8 | Woodbury County | 4.34 |
| 9 | Wapello County | 3.77 |
| 10 | Dubuque County | 3.56 |
| 11 | Crawford County | 3.27 |
| 12 | Lee County | 3.02 |
| 13 | Buena Vista County | 2.91 |
| 14 | Clinton County | 2.88 |
| 15 | Story County | 2.86 |
| 16 | Page County | 2.77 |
| 17 | Floyd County | 2.73 |
| 18 | Muscatine County | 2.61 |
| 19 | Henry County | 2.56 |
| 19 | Jones County | 2.56 |
| 20 | Dallas County | 2.52 |
| 21 | Calhoun County | 2.4 |
| 22 | Jasper County | 2.24 |
| 23 | Jefferson County | 2.22 |
| 24 | Mahaska County | 2.08 |
| 25 | Palo Alto County | 1.96 |
| 26 | Cerro Gordo County | 1.93 |
| 26 | Marshall County | 1.93 |
| 27 | Decatur County | 1.91 |
| 28 | Pottawattamie County | 1.66 |
| 29 | Allamakee County | 1.53 |
| 30 | Fayette County | 1.5 |
| 31 | Plymouth County | 1.49 |
| 32 | Poweshiek County | 1.47 |
| 33 | Winnebago County | 1.44 |
| 34 | Hardin County | 1.39 |
| 35 | Union County | 1.3 |
| 36 | Bremer County | 1.26 |
| 37 | Carroll County | 1.2 |
| 37 | Emmet County | 1.2 |
| 38 | O'Brien County | 1.15 |
| 39 | Boone County | 1.14 |
| 40 | Hamilton County | 1.05 |
| 40 | Louisa County | 1.05 |
| 41 | Cherokee County | 1.04 |
| 41 | Kossuth County | 1.04 |
| 42 | Washington County | 1.03 |
| 43 | Clarke County | 0.9 |
| 44 | Warren County | 0.88 |
| 45 | Pocahontas County | 0.86 |
| 46 | Hancock County | 0.84 |
| 46 | Wright County | 0.84 |
| 47 | Delaware County | 0.83 |
| 48 | Marion County | 0.82 |
| 49 | Clay County | 0.8 |
| 50 | Osceola County | 0.79 |
| 51 | Shelby County | 0.77 |
| 51 | Winneshiek County | 0.77 |
| 52 | Appanoose County | 0.76 |
| 52 | Tama County | 0.76 |
| 52 | Worth County | 0.76 |
| 53 | Clayton County | 0.74 |
| 54 | Humboldt County | 0.73 |
| 55 | Monroe County | 0.72 |
| 56 | Fremont County | 0.68 |
| 57 | Iowa County | 0.67 |
| 58 | Franklin County | 0.66 |
| 58 | Ringgold County | 0.66 |
| 59 | Keokuk County | 0.65 |
| 60 | Benton County | 0.63 |
| 60 | Mills County | 0.63 |
| 60 | Monona County | 0.63 |
| 61 | Guthrie County | 0.62 |
| 61 | Jackson County | 0.62 |
| 62 | Cedar County | 0.6 |
| 63 | Howard County | 0.59 |
| 64 | Dickinson County | 0.57 |
| 65 | Adair County | 0.55 |
| 66 | Madison County | 0.53 |
| 66 | Montgomery County | 0.53 |
| 67 | Chickasaw County | 0.52 |
| 67 | Grundy County | 0.52 |
| 68 | Buchanan County | 0.51 |
| 68 | Mitchell County | 0.51 |
| 68 | Sioux County | 0.51 |
| 69 | Adams County | 0.47 |
| 69 | Ida County | 0.47 |
| 69 | Wayne County | 0.47 |
| 70 | Greene County | 0.46 |
| 70 | Lucas County | 0.46 |
| 71 | Audubon County | 0.44 |
| 72 | Sac County | 0.42 |
| 73 | Cass County | 0.41 |
| 73 | Harrison County | 0.41 |
| 74 | Taylor County | 0.4 |
| 75 | Butler County | 0.29 |
| 76 | Lyon County | 0.27 |
| 77 | Van Buren County | 0.21 |
| 78 | Davis County | 0.2 |