Ranking of Iowa Counties By Percentage of Population with African Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 14.67K people in Iowa with African ancestry (0.46% of Iowa population). Among all Iowa counties, Wapello County had the highest percentage of its population with African ancestry (1.60%), followed by Johnson County (1.49%), and Crawford County (1.27%).
The chart and table below shows the top 10 counties with high percentage of its population having African ancestry.
You can see similar information for other states and for other ancestry groups in Iowa.
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Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Iowa Counties By Percentage of Population with African Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Wapello County | 1.60 |
| 2 | Johnson County | 1.49 |
| 3 | Crawford County | 1.27 |
| 4 | Muscatine County | 1.18 |
| 5 | Plymouth County | 0.88 |
| 6 | Polk County | 0.82 |
| 7 | Dallas County | 0.73 |
| 7 | Jones County | 0.73 |
| 8 | Black Hawk County | 0.69 |
| 9 | Linn County | 0.66 |
| 10 | Lee County | 0.63 |
| 11 | Poweshiek County | 0.60 |
| 12 | Jasper County | 0.52 |
| 13 | Buchanan County | 0.48 |
| 14 | Boone County | 0.45 |
| 14 | Story County | 0.45 |
| 15 | Scott County | 0.44 |
| 16 | Louisa County | 0.42 |
| 17 | Bremer County | 0.37 |
| 17 | Des Moines County | 0.37 |
| 18 | Woodbury County | 0.34 |
| 19 | Dubuque County | 0.28 |
| 19 | Jefferson County | 0.28 |
| 20 | Fayette County | 0.26 |
| 20 | Marion County | 0.26 |
| 21 | Webster County | 0.21 |
| 22 | Cherokee County | 0.20 |
| 23 | Hancock County | 0.18 |
| 24 | Emmet County | 0.16 |
| 24 | Pottawattamie County | 0.16 |
| 25 | Van Buren County | 0.15 |
| 26 | Appanoose County | 0.14 |
| 27 | Butler County | 0.13 |
| 27 | Grundy County | 0.13 |
| 28 | Adams County | 0.11 |
| 29 | Clayton County | 0.10 |
| 29 | Harrison County | 0.10 |
| 30 | Pocahontas County | 0.09 |
| 31 | Mahaska County | 0.08 |
| 31 | Marshall County | 0.08 |
| 32 | Monona County | 0.07 |
| 32 | Sioux County | 0.07 |
| 32 | Tama County | 0.07 |
| 33 | Greene County | 0.05 |
| 33 | Kossuth County | 0.05 |
| 34 | Benton County | 0.04 |
| 34 | Calhoun County | 0.04 |
| 34 | Cass County | 0.04 |
| 34 | Humboldt County | 0.04 |
| 34 | Winneshiek County | 0.04 |
| 35 | Lyon County | 0.03 |
| 36 | Cerro Gordo County | 0.02 |
| 36 | Clay County | 0.02 |
| 36 | Page County | 0.02 |
| 36 | Sac County | 0.02 |
| 37 | Buena Vista County | 0.01 |
| 37 | Clinton County | 0.01 |
| 37 | Dickinson County | 0.01 |
| 37 | Henry County | 0.01 |
| 37 | Howard County | 0.01 |
| 37 | Keokuk County | 0.01 |
| 37 | Mills County | 0.01 |
| 37 | Warren County | 0.01 |
| 37 | Washington County | 0.01 |
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