Ranking of Iowa Counties By Black or African American Alone Population in 2011
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2011, among all Iowa counties, Polk County had the highest number of people who identified their race as Black or African American Alone (27.79K), followed by Scott County (12.09K), and Black Hawk County (11.66K).
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 Black or African American Alone Population in 2011
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| Rank | County | Black or African American Alone Population |
|---|---|---|
| 1 | Polk County | 27787 |
| 2 | Scott County | 12091 |
| 3 | Black Hawk County | 11658 |
| 4 | Linn County | 8753 |
| 5 | Johnson County | 6758 |
| 6 | Woodbury County | 2623 |
| 7 | Story County | 2502 |
| 8 | Dubuque County | 2464 |
| 9 | Des Moines County | 2117 |
| 10 | Webster County | 1511 |
| 11 | Clinton County | 1385 |
| 12 | Pottawattamie County | 1383 |
| 13 | Lee County | 1132 |
| 14 | Dallas County | 1098 |
| 15 | Marshall County | 768 |
| 16 | Muscatine County | 711 |
| 17 | Wapello County | 579 |
| 18 | Cerro Gordo County | 576 |
| 19 | Buena Vista County | 564 |
| 20 | Jasper County | 506 |
| 21 | Henry County | 479 |
| 22 | Jones County | 449 |
| 23 | Page County | 382 |
| 24 | Crawford County | 337 |
| 25 | Warren County | 319 |
| 26 | Mahaska County | 270 |
| 27 | Poweshiek County | 253 |
| 28 | Jefferson County | 250 |
| 29 | Marion County | 229 |
| 30 | Bremer County | 221 |
| 31 | Boone County | 218 |
| 31 | Fayette County | 218 |
| 32 | Floyd County | 215 |
| 33 | Hardin County | 214 |
| 34 | Sioux County | 204 |
| 35 | Washington County | 180 |
| 36 | Calhoun County | 179 |
| 37 | Allamakee County | 165 |
| 38 | Decatur County | 156 |
| 39 | Winneshiek County | 151 |
| 40 | Carroll County | 123 |
| 41 | Benton County | 107 |
| 42 | Union County | 105 |
| 43 | Plymouth County | 104 |
| 43 | Winnebago County | 104 |
| 44 | O'Brien County | 100 |
| 45 | Louisa County | 91 |
| 46 | Clayton County | 88 |
| 47 | Clay County | 85 |
| 48 | Hamilton County | 84 |
| 49 | Cherokee County | 77 |
| 50 | Buchanan County | 73 |
| 50 | Emmet County | 73 |
| 50 | Jackson County | 73 |
| 51 | Tama County | 70 |
| 52 | Iowa County | 69 |
| 52 | Madison County | 69 |
| 53 | Hancock County | 68 |
| 53 | Wright County | 68 |
| 54 | Franklin County | 67 |
| 55 | Palo Alto County | 64 |
| 56 | Appanoose County | 63 |
| 57 | Cedar County | 62 |
| 58 | Mills County | 60 |
| 59 | Clarke County | 57 |
| 59 | Kossuth County | 57 |
| 60 | Humboldt County | 55 |
| 61 | Delaware County | 54 |
| 62 | Chickasaw County | 51 |
| 63 | Cass County | 47 |
| 63 | Keokuk County | 47 |
| 64 | Sac County | 42 |
| 65 | Fremont County | 41 |
| 65 | Greene County | 41 |
| 66 | Howard County | 38 |
| 67 | Shelby County | 37 |
| 67 | Worth County | 37 |
| 68 | Monroe County | 36 |
| 69 | Butler County | 35 |
| 70 | Grundy County | 34 |
| 71 | Monona County | 33 |
| 71 | Pocahontas County | 33 |
| 72 | Dickinson County | 29 |
| 72 | Harrison County | 29 |
| 73 | Taylor County | 27 |
| 74 | Montgomery County | 26 |
| 75 | Lucas County | 23 |
| 75 | Mitchell County | 23 |
| 75 | Osceola County | 23 |
| 76 | Wayne County | 21 |
| 77 | Lyon County | 20 |
| 78 | Guthrie County | 19 |
| 78 | Ida County | 19 |
| 78 | Ringgold County | 19 |
| 79 | Van Buren County | 16 |
| 80 | Audubon County | 15 |
| 81 | Adair County | 12 |
| 82 | Davis County | 9 |
| 83 | Adams County | 8 |
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