Ranking of Iowa Counties By Black or African American Alone Voting-age Population from Census 2020
Updated on August 26, 2023.
According to the data from the United States 2020 decennial Census, as at April 2020, among all Iowa counties, Polk County had the highest voting-age population who identified their race as Black or African American Alone (23.24K), followed by Linn County (10.77K), and Black Hawk County (9.51K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties based on Black or African American Alone voting-age population.
You can see similar ranking information for other states. You can also see similar rankings for other racial groups in Iowa.
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Related Topics: Iowa Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Iowa Counties By Black or African American Alone Voting-age Population from Census 2020
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| Rank | County | Black Alone Voting-age Population |
|---|---|---|
| 1 | Polk County | 23241 |
| 2 | Linn County | 10773 |
| 3 | Black Hawk County | 9510 |
| 4 | Scott County | 9486 |
| 5 | Johnson County | 8339 |
| 6 | Woodbury County | 3351 |
| 7 | Dubuque County | 2645 |
| 8 | Story County | 2318 |
| 9 | Des Moines County | 1668 |
| 10 | Dallas County | 1663 |
| 11 | Webster County | 1455 |
| 12 | Pottawattamie County | 1350 |
| 13 | Clinton County | 943 |
| 14 | Wapello County | 939 |
| 15 | Lee County | 761 |
| 16 | Muscatine County | 699 |
| 17 | Cerro Gordo County | 595 |
| 18 | Marshall County | 552 |
| 19 | Jasper County | 513 |
| 20 | Henry County | 427 |
| 21 | Buena Vista County | 384 |
| 22 | Jones County | 376 |
| 23 | Jefferson County | 361 |
| 24 | Page County | 331 |
| 25 | Warren County | 299 |
| 26 | Mahaska County | 281 |
| 27 | Poweshiek County | 275 |
| 28 | Crawford County | 259 |
| 29 | Floyd County | 232 |
| 30 | Plymouth County | 218 |
| 31 | Bremer County | 198 |
| 32 | Marion County | 175 |
| 33 | Winnebago County | 174 |
| 34 | Fayette County | 161 |
| 35 | Boone County | 155 |
| 36 | Carroll County | 153 |
| 37 | Calhoun County | 142 |
| 38 | Washington County | 121 |
| 39 | Winneshiek County | 103 |
| 40 | O'Brien County | 99 |
| 41 | Sioux County | 92 |
| 42 | Tama County | 90 |
| 42 | Union County | 90 |
| 43 | Allamakee County | 89 |
| 44 | Decatur County | 87 |
| 45 | Clayton County | 86 |
| 45 | Jackson County | 86 |
| 46 | Iowa County | 79 |
| 47 | Hardin County | 78 |
| 48 | Benton County | 77 |
| 49 | Clay County | 75 |
| 50 | Delaware County | 72 |
| 51 | Emmet County | 66 |
| 51 | Hamilton County | 66 |
| 52 | Cherokee County | 64 |
| 53 | Louisa County | 60 |
| 54 | Buchanan County | 58 |
| 55 | Kossuth County | 57 |
| 56 | Dickinson County | 53 |
| 57 | Appanoose County | 52 |
| 58 | Wright County | 51 |
| 59 | Cedar County | 47 |
| 59 | Mills County | 47 |
| 60 | Pocahontas County | 40 |
| 61 | Hancock County | 39 |
| 62 | Adair County | 35 |
| 62 | Chickasaw County | 35 |
| 63 | Palo Alto County | 34 |
| 64 | Humboldt County | 32 |
| 64 | Sac County | 32 |
| 64 | Worth County | 32 |
| 65 | Madison County | 31 |
| 66 | Keokuk County | 29 |
| 67 | Clarke County | 27 |
| 67 | Shelby County | 27 |
| 68 | Cass County | 26 |
| 69 | Montgomery County | 25 |
| 70 | Guthrie County | 24 |
| 70 | Mitchell County | 24 |
| 71 | Ida County | 23 |
| 72 | Harrison County | 22 |
| 73 | Butler County | 21 |
| 74 | Grundy County | 19 |
| 74 | Osceola County | 19 |
| 75 | Lucas County | 18 |
| 76 | Franklin County | 17 |
| 76 | Howard County | 17 |
| 76 | Monona County | 17 |
| 76 | Monroe County | 17 |
| 77 | Lyon County | 16 |
| 78 | Van Buren County | 14 |
| 79 | Audubon County | 9 |
| 80 | Adams County | 8 |
| 80 | Fremont County | 8 |
| 81 | Greene County | 7 |
| 82 | Davis County | 6 |
| 83 | Wayne County | 3 |
| 84 | Ringgold County | 1 |
| 85 | Taylor County | 0 |