Ranking of Iowa Counties By Black or African American Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the Iowa Black or African American Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 21,241. Among all Iowa counties, Polk County had the highest Black or African American Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (6,103), followed by Scott County (2,500), and Black Hawk County (2,206).
The chart below shows the top 10 Iowa counties, and the table below shows the ranking of all Iowa counties.
You can see similar information for other educational attainments, and for other races and ethnicities.
You can also see similar information for other states and for the United States.
| Rank | County | Number of People |
|---|---|---|
| 1 | Polk County | 6103 |
| 2 | Scott County | 2500 |
| 3 | Black Hawk County | 2206 |
| 4 | Linn County | 2186 |
| 5 | Johnson County | 1538 |
| 6 | Woodbury County | 963 |
| 7 | Lee County | 396 |
| 8 | Dubuque County | 334 |
| 9 | Muscatine County | 319 |
| 10 | Des Moines County | 305 |
| 11 | Story County | 278 |
| 12 | Webster County | 253 |
| 13 | Dallas County | 252 |
| 14 | Jasper County | 236 |
| 15 | Pottawattamie County | 214 |
| 16 | Buena Vista County | 205 |
| 17 | Clinton County | 197 |
| 18 | Crawford County | 186 |
| 19 | Floyd County | 182 |
| 20 | Jones County | 181 |
| 21 | Marshall County | 161 |
| 22 | Henry County | 143 |
| 23 | Mahaska County | 132 |
| 24 | Jefferson County | 124 |
| 25 | Marion County | 107 |
| 25 | Warren County | 107 |
| 26 | Wapello County | 102 |
| 27 | Boone County | 100 |
| 28 | Cerro Gordo County | 96 |
| 29 | Plymouth County | 89 |
| 30 | Jackson County | 82 |
| 31 | Page County | 71 |
| 32 | Allamakee County | 69 |
| 33 | Fayette County | 63 |
| 34 | Hamilton County | 60 |
| 35 | Buchanan County | 59 |
| 36 | Tama County | 58 |
| 37 | Louisa County | 47 |
| 38 | Washington County | 44 |
| 39 | Mills County | 43 |
| 40 | Clayton County | 42 |
| 41 | Calhoun County | 34 |
| 42 | O'Brien County | 33 |
| 43 | Iowa County | 21 |
| 44 | Lucas County | 20 |
| 45 | Winnebago County | 17 |
| 46 | Madison County | 15 |
| 47 | Audubon County | 14 |
| 47 | Cherokee County | 14 |
| 47 | Sac County | 14 |
| 48 | Howard County | 12 |
| 49 | Benton County | 11 |
| 49 | Greene County | 11 |
| 49 | Humboldt County | 11 |
| 49 | Kossuth County | 11 |
| 49 | Palo Alto County | 11 |
| 50 | Butler County | 10 |
| 50 | Chickasaw County | 10 |
| 50 | Worth County | 10 |
| 51 | Poweshiek County | 9 |
| 52 | Pocahontas County | 8 |
| 53 | Emmet County | 7 |
| 53 | Lyon County | 7 |
| 53 | Sioux County | 7 |
| 54 | Adair County | 6 |
| 54 | Cedar County | 6 |
| 54 | Guthrie County | 6 |
| 54 | Monona County | 6 |
| 55 | Adams County | 5 |
| 55 | Bremer County | 5 |
| 55 | Grundy County | 5 |
| 55 | Union County | 5 |
| 55 | Wayne County | 5 |
| 56 | Clay County | 4 |
| 56 | Hancock County | 4 |
| 56 | Hardin County | 4 |
| 56 | Ida County | 4 |
| 56 | Shelby County | 4 |
| 56 | Winneshiek County | 4 |
| 57 | Cass County | 3 |
| 57 | Clarke County | 3 |
| 57 | Fremont County | 3 |
| 57 | Keokuk County | 3 |
| 58 | Dickinson County | 2 |
| 58 | Harrison County | 2 |
| 59 | Monroe County | 1 |
| 59 | Van Buren County | 1 |
| 60 | Appanoose County | 0 |
| 60 | Carroll County | 0 |
| 60 | Decatur County | 0 |
| 60 | Delaware County | 0 |
| 60 | Franklin County | 0 |
| 60 | Mitchell County | 0 |
| 60 | Montgomery County | 0 |
| 60 | Osceola County | 0 |
| 60 | Wright County | 0 |
