Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic Black or African American (30.69K), followed by Scott County (12.46K), and Black Hawk County (12.10K).
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.
You may also be interested in:
Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2015
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| Rank | County | Non-Hispanic Black or African American Population |
|---|---|---|
| 1 | Polk County | 30691 |
| 2 | Scott County | 12460 |
| 3 | Black Hawk County | 12099 |
| 4 | Linn County | 10472 |
| 5 | Johnson County | 9291 |
| 6 | Woodbury County | 3011 |
| 7 | Dubuque County | 2966 |
| 8 | Story County | 2506 |
| 9 | Des Moines County | 2256 |
| 10 | Webster County | 1539 |
| 11 | Pottawattamie County | 1429 |
| 12 | Dallas County | 1421 |
| 13 | Clinton County | 1352 |
| 14 | Wapello County | 1044 |
| 15 | Lee County | 996 |
| 16 | Muscatine County | 940 |
| 17 | Marshall County | 672 |
| 18 | Jasper County | 659 |
| 19 | Cerro Gordo County | 581 |
| 20 | Buena Vista County | 534 |
| 21 | Jones County | 488 |
| 22 | Henry County | 470 |
| 23 | Crawford County | 426 |
| 24 | Page County | 376 |
| 25 | Jefferson County | 373 |
| 26 | Floyd County | 367 |
| 27 | Warren County | 346 |
| 28 | Mahaska County | 324 |
| 29 | Boone County | 292 |
| 30 | Marion County | 260 |
| 31 | Poweshiek County | 259 |
| 32 | Fayette County | 244 |
| 33 | Bremer County | 241 |
| 34 | Hardin County | 233 |
| 35 | Allamakee County | 195 |
| 36 | Calhoun County | 194 |
| 37 | Washington County | 178 |
| 38 | Carroll County | 174 |
| 39 | Sioux County | 165 |
| 40 | Winneshiek County | 159 |
| 41 | Plymouth County | 152 |
| 42 | Winnebago County | 144 |
| 43 | Decatur County | 139 |
| 44 | Clayton County | 131 |
| 45 | Union County | 128 |
| 46 | Benton County | 120 |
| 47 | Jackson County | 117 |
| 48 | Clay County | 115 |
| 48 | Hamilton County | 115 |
| 49 | Palo Alto County | 111 |
| 50 | Kossuth County | 102 |
| 51 | Cherokee County | 97 |
| 52 | Louisa County | 95 |
| 53 | Buchanan County | 91 |
| 54 | Mills County | 88 |
| 55 | Hancock County | 83 |
| 55 | O'Brien County | 83 |
| 56 | Cedar County | 79 |
| 57 | Clarke County | 77 |
| 57 | Iowa County | 77 |
| 58 | Emmet County | 72 |
| 59 | Tama County | 69 |
| 59 | Wright County | 69 |
| 60 | Madison County | 65 |
| 60 | Monroe County | 65 |
| 60 | Pocahontas County | 65 |
| 61 | Appanoose County | 64 |
| 62 | Shelby County | 63 |
| 62 | Worth County | 63 |
| 63 | Dickinson County | 61 |
| 64 | Delaware County | 60 |
| 65 | Chickasaw County | 59 |
| 66 | Keokuk County | 53 |
| 67 | Mitchell County | 52 |
| 68 | Franklin County | 50 |
| 69 | Montgomery County | 49 |
| 70 | Humboldt County | 47 |
| 71 | Howard County | 44 |
| 72 | Harrison County | 43 |
| 73 | Grundy County | 41 |
| 73 | Guthrie County | 41 |
| 74 | Butler County | 37 |
| 74 | Fremont County | 37 |
| 75 | Cass County | 36 |
| 75 | Monona County | 36 |
| 76 | Greene County | 35 |
| 77 | Lyon County | 30 |
| 78 | Osceola County | 27 |
| 79 | Ida County | 26 |
| 79 | Sac County | 26 |
| 80 | Ringgold County | 25 |
| 81 | Adair County | 24 |
| 81 | Wayne County | 24 |
| 82 | Lucas County | 22 |
| 83 | Audubon County | 18 |
| 83 | Davis County | 18 |
| 83 | Taylor County | 18 |
| 84 | Van Buren County | 17 |
| 85 | Adams County | 9 |
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