# Counties in Iowa by black or African American population share, 2024

All 99 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `black_share`
- Unit: %
- Definition: People who are not Hispanic or Latino and report Black or African American as their only race, as a percentage of the total population. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B03002: Black or African American alone, not Hispanic or Latino, as a percentage of the total population, calculated with stored inputs (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b03002.dat)
- Retrieved: 2026-10-09
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B03002: Black or African American alone, not Hispanic or Latino, as a percentage of the total population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b03002.dat. Retrieved 2026-10-09.
- Web page: https://invokely.ai/rankings/black-population-share/iowa-counties
- CSV: https://invokely.ai/download/rankings/black-population-share/iowa-counties.csv

| Rank | Place | % |
|---:|---|---:|
| 1 | Black Hawk County | 9.2 |
| 2 | Johnson County | 7.6 |
| 3 | Polk County | 7.3 |
| 4 | Scott County | 7.1 |
| 5 | Linn County | 5.9 |
| 6 | Woodbury County | 4.9 |
| 7 | Des Moines County | 4.7 |
| 8 | Buena Vista County | 3.3 |
| 9 | Webster County | 3.3 |
| 10 | Clinton County | 3.1 |
| 11 | Wapello County | 3 |
| 12 | Dallas County | 3 |
| 13 | Dubuque County | 2.9 |
| 14 | Story County | 2.7 |
| 15 | Henry County | 2.5 |
| 16 | Jones County | 2.5 |
| 17 | Jefferson County | 2.4 |
| 18 | Lee County | 2.4 |
| 18 | Plymouth County | 2.4 |
| 20 | Muscatine County | 2.2 |
| 21 | Winnebago County | 2 |
| 22 | Cerro Gordo County | 1.9 |
| 23 | Pottawattamie County | 1.8 |
| 24 | Allamakee County | 1.8 |
| 25 | Montgomery County | 1.8 |
| 26 | Page County | 1.7 |
| 27 | O'Brien County | 1.7 |
| 28 | Palo Alto County | 1.6 |
| 29 | Calhoun County | 1.6 |
| 30 | Emmet County | 1.6 |
| 31 | Marshall County | 1.6 |
| 32 | Jasper County | 1.5 |
| 33 | Adair County | 1.4 |
| 34 | Floyd County | 1.4 |
| 35 | Decatur County | 1.3 |
| 36 | Monroe County | 1.2 |
| 37 | Boone County | 1.2 |
| 38 | Mahaska County | 1.1 |
| 39 | Bremer County | 1.1 |
| 40 | Hardin County | 1.1 |
| 41 | Washington County | 1.1 |
| 42 | Cherokee County | 1 |
| 42 | Hamilton County | 1 |
| 42 | Jackson County | 1 |
| 45 | Poweshiek County | 0.9 |
| 46 | Tama County | 0.9 |
| 47 | Cass County | 0.9 |
| 48 | Louisa County | 0.9 |
| 49 | Crawford County | 0.9 |
| 50 | Howard County | 0.8 |
| 51 | Appanoose County | 0.8 |
| 52 | Worth County | 0.8 |
| 53 | Fayette County | 0.8 |
| 54 | Union County | 0.8 |
| 55 | Madison County | 0.7 |
| 56 | Kossuth County | 0.7 |
| 57 | Franklin County | 0.7 |
| 57 | Pocahontas County | 0.7 |
| 59 | Warren County | 0.7 |
| 60 | Clayton County | 0.6 |
| 61 | Buchanan County | 0.6 |
| 62 | Sioux County | 0.6 |
| 63 | Grundy County | 0.6 |
| 64 | Guthrie County | 0.6 |
| 65 | Chickasaw County | 0.5 |
| 66 | Audubon County | 0.5 |
| 67 | Osceola County | 0.5 |
| 68 | Carroll County | 0.5 |
| 69 | Hancock County | 0.5 |
| 69 | Sac County | 0.5 |
| 71 | Wright County | 0.4 |
| 72 | Van Buren County | 0.4 |
| 73 | Cedar County | 0.4 |
| 73 | Marion County | 0.4 |
| 75 | Winneshiek County | 0.4 |
| 76 | Benton County | 0.4 |
| 76 | Mills County | 0.4 |
| 78 | Ringgold County | 0.4 |
| 79 | Fremont County | 0.4 |
| 79 | Lyon County | 0.4 |
| 81 | Mitchell County | 0.3 |
| 82 | Humboldt County | 0.3 |
| 82 | Iowa County | 0.3 |
| 84 | Shelby County | 0.3 |
| 85 | Adams County | 0.3 |
| 85 | Ida County | 0.3 |
| 87 | Lucas County | 0.3 |
| 88 | Clay County | 0.3 |
| 89 | Keokuk County | 0.3 |
| 90 | Monona County | 0.3 |
| 91 | Wayne County | 0.2 |
| 92 | Butler County | 0.2 |
| 92 | Taylor County | 0.2 |
| 94 | Greene County | 0.1 |
| 94 | Harrison County | 0.1 |
| 96 | Delaware County | 0.1 |
| 97 | Clarke County | 0.1 |
| 98 | Dickinson County | 0 |
| 99 | Davis County | 0 |