Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Black or African American in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, 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 (9.05%), followed by Scott County (7.24%), and Polk County (6.57%).
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 2015
Items per page:
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Black Hawk County | 9.05 |
| 2 | Scott County | 7.24 |
| 3 | Polk County | 6.57 |
| 4 | Johnson County | 6.4 |
| 5 | Des Moines County | 5.65 |
| 6 | Linn County | 4.75 |
| 7 | Webster County | 4.15 |
| 8 | Dubuque County | 3.06 |
| 9 | Wapello County | 2.95 |
| 10 | Woodbury County | 2.94 |
| 11 | Lee County | 2.85 |
| 12 | Clinton County | 2.84 |
| 13 | Buena Vista County | 2.62 |
| 14 | Story County | 2.59 |
| 15 | Crawford County | 2.5 |
| 16 | Page County | 2.43 |
| 17 | Jones County | 2.39 |
| 18 | Henry County | 2.37 |
| 19 | Floyd County | 2.31 |
| 20 | Muscatine County | 2.18 |
| 21 | Jefferson County | 2.08 |
| 22 | Calhoun County | 1.98 |
| 23 | Jasper County | 1.79 |
| 24 | Dallas County | 1.76 |
| 25 | Decatur County | 1.71 |
| 26 | Marshall County | 1.67 |
| 27 | Pottawattamie County | 1.53 |
| 28 | Mahaska County | 1.45 |
| 29 | Allamakee County | 1.41 |
| 29 | Poweshiek County | 1.41 |
| 30 | Winnebago County | 1.36 |
| 31 | Cerro Gordo County | 1.35 |
| 31 | Hardin County | 1.35 |
| 32 | Palo Alto County | 1.22 |
| 33 | Fayette County | 1.21 |
| 34 | Boone County | 1.1 |
| 35 | Union County | 1.03 |
| 36 | Bremer County | 0.97 |
| 37 | Pocahontas County | 0.93 |
| 38 | Carroll County | 0.85 |
| 39 | Cherokee County | 0.84 |
| 39 | Clarke County | 0.84 |
| 39 | Louisa County | 0.84 |
| 39 | Worth County | 0.84 |
| 40 | Monroe County | 0.82 |
| 41 | Washington County | 0.8 |
| 42 | Marion County | 0.79 |
| 43 | Winneshiek County | 0.77 |
| 44 | Hamilton County | 0.76 |
| 45 | Hancock County | 0.75 |
| 46 | Clayton County | 0.74 |
| 46 | Emmet County | 0.74 |
| 47 | Warren County | 0.71 |
| 48 | Clay County | 0.7 |
| 49 | Kossuth County | 0.67 |
| 50 | Plymouth County | 0.61 |
| 51 | Jackson County | 0.6 |
| 51 | O'Brien County | 0.6 |
| 52 | Mills County | 0.59 |
| 53 | Fremont County | 0.54 |
| 53 | Wright County | 0.54 |
| 54 | Shelby County | 0.53 |
| 55 | Keokuk County | 0.52 |
| 56 | Appanoose County | 0.51 |
| 57 | Ringgold County | 0.5 |
| 58 | Chickasaw County | 0.49 |
| 58 | Franklin County | 0.49 |
| 58 | Humboldt County | 0.49 |
| 58 | Mitchell County | 0.49 |
| 59 | Montgomery County | 0.48 |
| 59 | Sioux County | 0.48 |
| 60 | Benton County | 0.47 |
| 60 | Howard County | 0.47 |
| 60 | Iowa County | 0.47 |
| 61 | Osceola County | 0.44 |
| 62 | Buchanan County | 0.43 |
| 62 | Cedar County | 0.43 |
| 63 | Madison County | 0.41 |
| 63 | Monona County | 0.41 |
| 64 | Tama County | 0.4 |
| 65 | Greene County | 0.39 |
| 65 | Guthrie County | 0.39 |
| 66 | Wayne County | 0.38 |
| 67 | Ida County | 0.37 |
| 68 | Dickinson County | 0.36 |
| 69 | Delaware County | 0.35 |
| 70 | Adair County | 0.34 |
| 71 | Grundy County | 0.33 |
| 72 | Audubon County | 0.32 |
| 73 | Harrison County | 0.3 |
| 74 | Taylor County | 0.29 |
| 75 | Cass County | 0.27 |
| 76 | Lucas County | 0.26 |
| 76 | Lyon County | 0.26 |
| 76 | Sac County | 0.26 |
| 77 | Butler County | 0.25 |
| 78 | Adams County | 0.24 |
| 79 | Van Buren County | 0.23 |
| 80 | Davis County | 0.21 |