Ranking of Iowa Counties By Black or African American Alone Population in 2019
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2019, among all Iowa counties, Polk County had the highest number of people who identified their race as Black or African American Alone (35.84K), followed by Linn County (14.13K), and Scott County (13.94K).
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 2019
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| Rank | County | Black or African American Alone Population |
|---|---|---|
| 1 | Polk County | 35836 |
| 2 | Linn County | 14130 |
| 3 | Scott County | 13941 |
| 4 | Black Hawk County | 12833 |
| 5 | Johnson County | 12130 |
| 6 | Woodbury County | 4818 |
| 7 | Dubuque County | 3595 |
| 8 | Story County | 2969 |
| 9 | Dallas County | 2502 |
| 10 | Des Moines County | 2448 |
| 11 | Pottawattamie County | 1687 |
| 12 | Webster County | 1668 |
| 13 | Wapello County | 1418 |
| 14 | Clinton County | 1398 |
| 15 | Muscatine County | 1299 |
| 16 | Lee County | 1060 |
| 17 | Marshall County | 906 |
| 18 | Cerro Gordo County | 886 |
| 19 | Jasper County | 872 |
| 20 | Buena Vista County | 672 |
| 21 | Crawford County | 612 |
| 22 | Jones County | 537 |
| 23 | Henry County | 535 |
| 24 | Mahaska County | 488 |
| 25 | Warren County | 479 |
| 26 | Floyd County | 438 |
| 27 | Page County | 433 |
| 28 | Jefferson County | 430 |
| 29 | Plymouth County | 402 |
| 30 | Bremer County | 332 |
| 31 | Boone County | 312 |
| 32 | Fayette County | 300 |
| 33 | Poweshiek County | 294 |
| 34 | Marion County | 292 |
| 35 | Washington County | 278 |
| 36 | Sioux County | 277 |
| 37 | Carroll County | 272 |
| 38 | Hardin County | 245 |
| 39 | Calhoun County | 233 |
| 40 | Allamakee County | 224 |
| 41 | O'Brien County | 206 |
| 42 | Hamilton County | 192 |
| 43 | Palo Alto County | 190 |
| 44 | Benton County | 182 |
| 45 | Union County | 180 |
| 46 | Winnebago County | 178 |
| 47 | Kossuth County | 168 |
| 48 | Winneshiek County | 166 |
| 49 | Tama County | 164 |
| 50 | Decatur County | 160 |
| 51 | Delaware County | 152 |
| 52 | Wright County | 143 |
| 53 | Clayton County | 142 |
| 54 | Clay County | 139 |
| 55 | Jackson County | 135 |
| 56 | Louisa County | 133 |
| 57 | Emmet County | 129 |
| 58 | Shelby County | 128 |
| 59 | Cherokee County | 126 |
| 60 | Buchanan County | 124 |
| 60 | Franklin County | 124 |
| 61 | Iowa County | 120 |
| 62 | Cedar County | 119 |
| 63 | Appanoose County | 113 |
| 64 | Clarke County | 111 |
| 65 | Mills County | 109 |
| 66 | Hancock County | 108 |
| 67 | Madison County | 104 |
| 68 | Dickinson County | 102 |
| 69 | Chickasaw County | 88 |
| 70 | Humboldt County | 81 |
| 71 | Grundy County | 74 |
| 72 | Guthrie County | 69 |
| 72 | Keokuk County | 69 |
| 72 | Worth County | 69 |
| 73 | Pocahontas County | 64 |
| 74 | Harrison County | 62 |
| 74 | Monroe County | 62 |
| 75 | Osceola County | 61 |
| 76 | Monona County | 60 |
| 77 | Cass County | 59 |
| 77 | Mitchell County | 59 |
| 78 | Howard County | 58 |
| 78 | Montgomery County | 58 |
| 79 | Fremont County | 56 |
| 80 | Lucas County | 50 |
| 81 | Butler County | 48 |
| 81 | Greene County | 48 |
| 81 | Lyon County | 48 |
| 82 | Sac County | 43 |
| 83 | Adair County | 40 |
| 84 | Taylor County | 35 |
| 85 | Ida County | 34 |
| 86 | Wayne County | 33 |
| 87 | Audubon County | 32 |
| 87 | Ringgold County | 32 |
| 88 | Davis County | 21 |
| 89 | Adams County | 18 |
| 90 | Van Buren County | 16 |