Ranking of Iowa Counties By Black or African American Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Less than High School Diploma was 9,785. 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 Less than High School Diploma (2,836), followed by Linn County (1,097), and Black Hawk County (1,069).
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 | 2836 |
| 2 | Linn County | 1097 |
| 3 | Black Hawk County | 1069 |
| 4 | Scott County | 879 |
| 5 | Johnson County | 500 |
| 5 | Woodbury County | 500 |
| 6 | Clinton County | 317 |
| 7 | Des Moines County | 227 |
| 8 | Cerro Gordo County | 194 |
| 9 | Story County | 159 |
| 10 | Crawford County | 155 |
| 11 | Wapello County | 141 |
| 12 | Lee County | 131 |
| 13 | Dallas County | 128 |
| 14 | Mahaska County | 110 |
| 15 | Buena Vista County | 105 |
| 16 | Cherokee County | 100 |
| 17 | Henry County | 94 |
| 18 | Jasper County | 92 |
| 19 | Warren County | 91 |
| 20 | Webster County | 89 |
| 21 | Dubuque County | 81 |
| 22 | Jones County | 77 |
| 23 | Marshall County | 71 |
| 24 | Plymouth County | 66 |
| 25 | Pottawattamie County | 49 |
| 26 | Page County | 40 |
| 27 | Adair County | 33 |
| 27 | Hardin County | 33 |
| 28 | Iowa County | 29 |
| 29 | Muscatine County | 26 |
| 30 | Washington County | 25 |
| 31 | Bremer County | 19 |
| 32 | Calhoun County | 18 |
| 32 | Tama County | 18 |
| 33 | Ida County | 15 |
| 34 | Allamakee County | 14 |
| 34 | Benton County | 14 |
| 34 | Pocahontas County | 14 |
| 35 | Palo Alto County | 13 |
| 36 | Hamilton County | 12 |
| 37 | Cass County | 11 |
| 38 | Mitchell County | 10 |
| 39 | Boone County | 9 |
| 40 | Cedar County | 7 |
| 40 | Sioux County | 7 |
| 40 | Wayne County | 7 |
| 41 | Fremont County | 6 |
| 41 | Greene County | 6 |
| 42 | Buchanan County | 4 |
| 43 | Clay County | 3 |
| 43 | Emmet County | 3 |
| 43 | Howard County | 3 |
| 43 | Madison County | 3 |
| 44 | Clayton County | 2 |
| 44 | Delaware County | 2 |
| 44 | Harrison County | 2 |
| 44 | Jackson County | 2 |
| 44 | Lucas County | 2 |
| 44 | Osceola County | 2 |
| 44 | Van Buren County | 2 |
| 45 | Butler County | 1 |
| 45 | Decatur County | 1 |
| 45 | Fayette County | 1 |
| 45 | Guthrie County | 1 |
| 45 | Humboldt County | 1 |
| 45 | Jefferson County | 1 |
| 45 | Kossuth County | 1 |
| 45 | Mills County | 1 |
| 45 | Poweshiek County | 1 |
| 45 | Sac County | 1 |
| 45 | Wright County | 1 |
| 46 | Adams County | 0 |
| 46 | Appanoose County | 0 |
| 46 | Audubon County | 0 |
| 46 | Carroll County | 0 |
| 46 | Chickasaw County | 0 |
| 46 | Clarke County | 0 |
| 46 | Dickinson County | 0 |
| 46 | Floyd County | 0 |
| 46 | Franklin County | 0 |
| 46 | Grundy County | 0 |
| 46 | Hancock County | 0 |
| 46 | Keokuk County | 0 |
| 46 | Louisa County | 0 |
| 46 | Lyon County | 0 |
| 46 | Marion County | 0 |
| 46 | Monona County | 0 |
| 46 | Monroe County | 0 |
| 46 | Montgomery County | 0 |
| 46 | O'Brien County | 0 |
| 46 | Shelby County | 0 |
| 46 | Union County | 0 |
| 46 | Winnebago County | 0 |
| 46 | Winneshiek County | 0 |
| 46 | Worth County | 0 |