Ranking of Iowa Counties By Percentage of Population that are Black or African American Alone in 2017
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Black Hawk County had the highest percentage of its population who identified their race as Black or African American Alone (9.62%), followed by Scott County (7.76%), and Johnson County (7.45%).
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 2017
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.62 |
| 2 | Scott County | 7.76 |
| 3 | Johnson County | 7.45 |
| 4 | Polk County | 7.05 |
| 5 | Des Moines County | 5.91 |
| 6 | Linn County | 5.68 |
| 7 | Webster County | 4.69 |
| 8 | Wapello County | 4.03 |
| 9 | Dubuque County | 3.66 |
| 10 | Woodbury County | 3.49 |
| 11 | Buena Vista County | 3.4 |
| 11 | Crawford County | 3.4 |
| 12 | Clinton County | 3.2 |
| 13 | Lee County | 3.11 |
| 14 | Story County | 2.89 |
| 15 | Muscatine County | 2.75 |
| 16 | Henry County | 2.7 |
| 17 | Page County | 2.63 |
| 18 | Jones County | 2.51 |
| 19 | Floyd County | 2.5 |
| 20 | Jefferson County | 2.29 |
| 21 | Marshall County | 2.26 |
| 22 | Jasper County | 2.21 |
| 23 | Dallas County | 2.13 |
| 24 | Calhoun County | 2.08 |
| 25 | Mahaska County | 1.9 |
| 26 | Decatur County | 1.8 |
| 27 | Cerro Gordo County | 1.77 |
| 27 | Palo Alto County | 1.77 |
| 28 | Allamakee County | 1.75 |
| 29 | Pottawattamie County | 1.74 |
| 30 | Hardin County | 1.61 |
| 31 | Winnebago County | 1.52 |
| 32 | Poweshiek County | 1.51 |
| 33 | Fayette County | 1.32 |
| 33 | Union County | 1.32 |
| 34 | Carroll County | 1.3 |
| 35 | Emmet County | 1.28 |
| 36 | Bremer County | 1.27 |
| 37 | Monroe County | 1.26 |
| 38 | Worth County | 1.19 |
| 39 | Boone County | 1.16 |
| 39 | Pocahontas County | 1.16 |
| 40 | O'Brien County | 1.14 |
| 41 | Clarke County | 1.11 |
| 41 | Washington County | 1.11 |
| 42 | Kossuth County | 1.06 |
| 42 | Louisa County | 1.06 |
| 43 | Franklin County | 1.05 |
| 44 | Wright County | 1 |
| 45 | Cherokee County | 0.99 |
| 45 | Hamilton County | 0.99 |
| 46 | Shelby County | 0.98 |
| 47 | Tama County | 0.9 |
| 48 | Chickasaw County | 0.89 |
| 49 | Clayton County | 0.88 |
| 50 | Hancock County | 0.87 |
| 50 | Warren County | 0.87 |
| 51 | Marion County | 0.86 |
| 52 | Jackson County | 0.83 |
| 53 | Winneshiek County | 0.8 |
| 54 | Delaware County | 0.78 |
| 55 | Sioux County | 0.77 |
| 56 | Clay County | 0.76 |
| 57 | Fremont County | 0.75 |
| 58 | Appanoose County | 0.74 |
| 59 | Plymouth County | 0.72 |
| 60 | Taylor County | 0.69 |
| 61 | Benton County | 0.65 |
| 61 | Mills County | 0.65 |
| 62 | Humboldt County | 0.64 |
| 63 | Iowa County | 0.63 |
| 64 | Keokuk County | 0.61 |
| 64 | Madison County | 0.61 |
| 65 | Monona County | 0.6 |
| 65 | Ringgold County | 0.6 |
| 66 | Howard County | 0.59 |
| 66 | Wayne County | 0.59 |
| 67 | Buchanan County | 0.58 |
| 67 | Cedar County | 0.58 |
| 67 | Osceola County | 0.58 |
| 68 | Mitchell County | 0.57 |
| 69 | Montgomery County | 0.54 |
| 70 | Audubon County | 0.52 |
| 71 | Adair County | 0.51 |
| 72 | Greene County | 0.5 |
| 72 | Grundy County | 0.5 |
| 72 | Guthrie County | 0.5 |
| 73 | Cass County | 0.46 |
| 73 | Lyon County | 0.46 |
| 74 | Dickinson County | 0.44 |
| 75 | Lucas County | 0.41 |
| 76 | Harrison County | 0.4 |
| 77 | Sac County | 0.36 |
| 78 | Ida County | 0.35 |
| 79 | Butler County | 0.32 |
| 80 | Adams County | 0.3 |
| 81 | Van Buren County | 0.24 |
| 82 | Davis County | 0.17 |