Ranking of Iowa Counties By Black or African American Alone Population in 2017
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Polk County had the highest number of people who identified their race as Black or African American Alone (33.91K), followed by Scott County (13.41K), and Linn County (12.76K).
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 Black or African American Alone Population in 2017
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| Rank | County | Black or African American Alone Population |
|---|---|---|
| 1 | Polk County | 33912 |
| 2 | Scott County | 13405 |
| 3 | Linn County | 12762 |
| 4 | Black Hawk County | 12726 |
| 5 | Johnson County | 11146 |
| 6 | Woodbury County | 3565 |
| 7 | Dubuque County | 3559 |
| 8 | Story County | 2814 |
| 9 | Des Moines County | 2329 |
| 10 | Dallas County | 1862 |
| 11 | Webster County | 1718 |
| 12 | Pottawattamie County | 1628 |
| 13 | Clinton County | 1502 |
| 14 | Wapello County | 1412 |
| 15 | Muscatine County | 1179 |
| 16 | Lee County | 1064 |
| 17 | Marshall County | 905 |
| 18 | Jasper County | 818 |
| 19 | Cerro Gordo County | 760 |
| 20 | Buena Vista County | 686 |
| 21 | Crawford County | 580 |
| 22 | Henry County | 541 |
| 23 | Jones County | 518 |
| 24 | Warren County | 434 |
| 25 | Mahaska County | 425 |
| 26 | Jefferson County | 414 |
| 27 | Page County | 401 |
| 28 | Floyd County | 395 |
| 29 | Bremer County | 317 |
| 30 | Boone County | 306 |
| 31 | Marion County | 283 |
| 32 | Poweshiek County | 277 |
| 33 | Hardin County | 275 |
| 34 | Sioux County | 267 |
| 35 | Carroll County | 264 |
| 36 | Fayette County | 259 |
| 37 | Washington County | 246 |
| 38 | Allamakee County | 242 |
| 39 | Calhoun County | 202 |
| 40 | Plymouth County | 180 |
| 41 | Benton County | 167 |
| 42 | Union County | 165 |
| 43 | Jackson County | 161 |
| 43 | Winnebago County | 161 |
| 43 | Winneshiek County | 161 |
| 44 | Palo Alto County | 160 |
| 45 | Kossuth County | 158 |
| 46 | O'Brien County | 157 |
| 47 | Clayton County | 155 |
| 48 | Tama County | 153 |
| 49 | Hamilton County | 149 |
| 50 | Decatur County | 143 |
| 51 | Delaware County | 133 |
| 52 | Wright County | 127 |
| 53 | Clay County | 123 |
| 54 | Buchanan County | 122 |
| 55 | Emmet County | 121 |
| 56 | Louisa County | 119 |
| 57 | Shelby County | 113 |
| 58 | Cherokee County | 112 |
| 59 | Cedar County | 107 |
| 59 | Chickasaw County | 107 |
| 59 | Franklin County | 107 |
| 60 | Clarke County | 104 |
| 61 | Iowa County | 101 |
| 62 | Mills County | 98 |
| 62 | Monroe County | 98 |
| 63 | Madison County | 97 |
| 64 | Hancock County | 94 |
| 65 | Appanoose County | 91 |
| 66 | Worth County | 89 |
| 67 | Pocahontas County | 79 |
| 68 | Dickinson County | 76 |
| 69 | Grundy County | 62 |
| 69 | Keokuk County | 62 |
| 70 | Humboldt County | 61 |
| 71 | Cass County | 60 |
| 71 | Mitchell County | 60 |
| 72 | Harrison County | 57 |
| 73 | Montgomery County | 55 |
| 74 | Howard County | 54 |
| 74 | Lyon County | 54 |
| 75 | Guthrie County | 53 |
| 76 | Fremont County | 52 |
| 76 | Monona County | 52 |
| 77 | Butler County | 46 |
| 78 | Greene County | 45 |
| 79 | Taylor County | 42 |
| 80 | Wayne County | 38 |
| 81 | Adair County | 36 |
| 82 | Lucas County | 35 |
| 82 | Osceola County | 35 |
| 82 | Sac County | 35 |
| 83 | Ringgold County | 30 |
| 84 | Audubon County | 29 |
| 85 | Ida County | 24 |
| 86 | Van Buren County | 17 |
| 87 | Davis County | 15 |
| 88 | Adams County | 11 |