Ranking of Iowa Counties By Percentage of Population that are Black or African American Alone 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 race as Black or African American Alone (9.79%), followed by Scott County (8.04%), and Johnson County (7.96%).
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 2019
25
0 of 0
| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.79 |
| 2 | Scott County | 8.04 |
| 3 | Johnson County | 7.96 |
| 4 | Polk County | 7.3 |
| 5 | Des Moines County | 6.27 |
| 6 | Linn County | 6.22 |
| 7 | Woodbury County | 4.67 |
| 8 | Webster County | 4.64 |
| 9 | Wapello County | 4.03 |
| 10 | Dubuque County | 3.69 |
| 11 | Crawford County | 3.62 |
| 12 | Buena Vista County | 3.41 |
| 13 | Lee County | 3.15 |
| 14 | Muscatine County | 3.05 |
| 14 | Story County | 3.05 |
| 15 | Clinton County | 3 |
| 16 | Page County | 2.86 |
| 17 | Floyd County | 2.8 |
| 18 | Henry County | 2.7 |
| 19 | Dallas County | 2.67 |
| 20 | Jones County | 2.6 |
| 21 | Calhoun County | 2.42 |
| 22 | Jefferson County | 2.37 |
| 23 | Jasper County | 2.35 |
| 24 | Marshall County | 2.3 |
| 25 | Mahaska County | 2.18 |
| 26 | Palo Alto County | 2.14 |
| 27 | Cerro Gordo County | 2.09 |
| 28 | Decatur County | 2.04 |
| 29 | Pottawattamie County | 1.81 |
| 30 | Winnebago County | 1.72 |
| 31 | Allamakee County | 1.64 |
| 32 | Plymouth County | 1.6 |
| 33 | Poweshiek County | 1.59 |
| 34 | Fayette County | 1.53 |
| 35 | O'Brien County | 1.49 |
| 36 | Union County | 1.47 |
| 37 | Hardin County | 1.46 |
| 38 | Emmet County | 1.4 |
| 39 | Carroll County | 1.35 |
| 40 | Bremer County | 1.32 |
| 41 | Hamilton County | 1.3 |
| 42 | Washington County | 1.26 |
| 43 | Franklin County | 1.23 |
| 44 | Louisa County | 1.2 |
| 45 | Boone County | 1.19 |
| 46 | Clarke County | 1.18 |
| 47 | Kossuth County | 1.14 |
| 47 | Wright County | 1.14 |
| 48 | Cherokee County | 1.12 |
| 48 | Shelby County | 1.12 |
| 49 | Osceola County | 1.02 |
| 50 | Hancock County | 1.01 |
| 51 | Pocahontas County | 0.97 |
| 51 | Tama County | 0.97 |
| 52 | Warren County | 0.93 |
| 52 | Worth County | 0.93 |
| 53 | Appanoose County | 0.9 |
| 54 | Delaware County | 0.89 |
| 55 | Marion County | 0.88 |
| 56 | Clay County | 0.86 |
| 57 | Humboldt County | 0.85 |
| 58 | Winneshiek County | 0.83 |
| 59 | Clayton County | 0.81 |
| 59 | Fremont County | 0.81 |
| 59 | Monroe County | 0.81 |
| 60 | Sioux County | 0.79 |
| 61 | Chickasaw County | 0.74 |
| 61 | Iowa County | 0.74 |
| 62 | Mills County | 0.72 |
| 63 | Benton County | 0.71 |
| 64 | Jackson County | 0.7 |
| 64 | Monona County | 0.7 |
| 65 | Keokuk County | 0.68 |
| 66 | Ringgold County | 0.66 |
| 67 | Cedar County | 0.64 |
| 67 | Guthrie County | 0.64 |
| 67 | Madison County | 0.64 |
| 68 | Howard County | 0.63 |
| 69 | Grundy County | 0.61 |
| 70 | Buchanan County | 0.59 |
| 70 | Dickinson County | 0.59 |
| 70 | Montgomery County | 0.59 |
| 71 | Audubon County | 0.58 |
| 71 | Lucas County | 0.58 |
| 72 | Taylor County | 0.57 |
| 73 | Adair County | 0.56 |
| 73 | Mitchell County | 0.56 |
| 74 | Greene County | 0.54 |
| 75 | Wayne County | 0.52 |
| 76 | Adams County | 0.5 |
| 76 | Ida County | 0.5 |
| 77 | Cass County | 0.46 |
| 78 | Harrison County | 0.44 |
| 78 | Sac County | 0.44 |
| 79 | Lyon County | 0.41 |
| 80 | Butler County | 0.33 |
| 81 | Davis County | 0.23 |
| 81 | Van Buren County | 0.23 |
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