Ranking of Iowa Counties By Black or African American Alone Population from Census 2020
Updated on February 25, 2023.
According to the data from the United States 2020 decennial Census for Iowa counties, in April 2020, Polk County had the highest number of people who identified their race as Black or African American Alone (35.62K), followed by Linn County (16.45K), and Scott County (14.12K).
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 population.
You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups as well as for the different ethnicities 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 Population from Census 2020
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| Rank | County | Black Alone Population |
|---|---|---|
| 1 | Polk County | 35623 |
| 2 | Linn County | 16449 |
| 3 | Scott County | 14117 |
| 4 | Black Hawk County | 13676 |
| 5 | Johnson County | 12847 |
| 6 | Woodbury County | 5197 |
| 7 | Dubuque County | 4126 |
| 8 | Story County | 3019 |
| 9 | Dallas County | 2698 |
| 10 | Des Moines County | 2532 |
| 11 | Pottawattamie County | 1889 |
| 12 | Webster County | 1825 |
| 13 | Wapello County | 1469 |
| 14 | Clinton County | 1420 |
| 15 | Muscatine County | 1141 |
| 16 | Cerro Gordo County | 930 |
| 17 | Lee County | 910 |
| 18 | Marshall County | 815 |
| 19 | Jasper County | 703 |
| 20 | Buena Vista County | 591 |
| 21 | Henry County | 506 |
| 22 | Warren County | 455 |
| 23 | Jones County | 441 |
| 24 | Floyd County | 419 |
| 25 | Jefferson County | 419 |
| 26 | Crawford County | 394 |
| 27 | Mahaska County | 394 |
| 28 | Page County | 365 |
| 29 | Plymouth County | 356 |
| 30 | Poweshiek County | 328 |
| 31 | Boone County | 301 |
| 32 | Marion County | 292 |
| 33 | Carroll County | 262 |
| 34 | Bremer County | 239 |
| 35 | Winnebago County | 214 |
| 36 | Fayette County | 203 |
| 37 | Sioux County | 195 |
| 38 | Washington County | 188 |
| 39 | O'Brien County | 161 |
| 40 | Clayton County | 158 |
| 41 | Allamakee County | 154 |
| 42 | Calhoun County | 152 |
| 43 | Jackson County | 152 |
| 44 | Hardin County | 147 |
| 45 | Tama County | 137 |
| 46 | Winneshiek County | 131 |
| 47 | Delaware County | 122 |
| 48 | Union County | 118 |
| 49 | Benton County | 114 |
| 50 | Iowa County | 111 |
| 51 | Decatur County | 108 |
| 52 | Hamilton County | 103 |
| 53 | Clay County | 100 |
| 54 | Emmet County | 92 |
| 55 | Cherokee County | 87 |
| 56 | Cedar County | 83 |
| 57 | Chickasaw County | 80 |
| 58 | Dickinson County | 79 |
| 59 | Kossuth County | 78 |
| 60 | Louisa County | 78 |
| 61 | Mills County | 77 |
| 62 | Hancock County | 76 |
| 63 | Appanoose County | 75 |
| 64 | Wright County | 75 |
| 65 | Buchanan County | 72 |
| 66 | Pocahontas County | 66 |
| 67 | Worth County | 60 |
| 68 | Humboldt County | 56 |
| 69 | Shelby County | 53 |
| 70 | Palo Alto County | 52 |
| 71 | Keokuk County | 51 |
| 72 | Madison County | 50 |
| 73 | Grundy County | 49 |
| 74 | Adair County | 46 |
| 75 | Sac County | 46 |
| 76 | Clarke County | 44 |
| 77 | Mitchell County | 42 |
| 78 | Lyon County | 41 |
| 79 | Guthrie County | 36 |
| 80 | Franklin County | 32 |
| 81 | Ida County | 31 |
| 82 | Osceola County | 30 |
| 83 | Cass County | 29 |
| 84 | Greene County | 28 |
| 85 | Monona County | 28 |
| 86 | Van Buren County | 28 |
| 87 | Harrison County | 27 |
| 88 | Butler County | 26 |
| 89 | Montgomery County | 25 |
| 90 | Howard County | 23 |
| 91 | Lucas County | 23 |
| 92 | Monroe County | 19 |
| 93 | Audubon County | 17 |
| 94 | Adams County | 12 |
| 95 | Fremont County | 11 |
| 96 | Wayne County | 10 |
| 97 | Davis County | 8 |
| 98 | Ringgold County | 3 |
| 99 | Taylor County | 2 |