Ranking of Iowa Counties By Percentage of Population that were White Alone 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, among all Iowa counties, Davis County had the highest percentage of its population that identified their race as White Alone (96.56%), followed by Butler County (96.46%), and Audubon County (96.39%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties based on the percentage of the population that identified as White Alone.
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
Percentage of Pop. that were White Alone
from Census 2020
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| Rank | County | White Alone % of County Pop. |
|---|---|---|
| 1 | Davis County | 96.56 |
| 2 | Butler County | 96.46 |
| 3 | Audubon County | 96.39 |
| 4 | Wayne County | 96.37 |
| 5 | Van Buren County | 96.11 |
| 6 | Grundy County | 96.00 |
| 7 | Delaware County | 95.99 |
| 8 | Ringgold County | 95.84 |
| 9 | Buchanan County | 95.77 |
| 10 | Mitchell County | 95.67 |
| 11 | Harrison County | 95.47 |
| 12 | Adair County | 95.37 |
| 13 | Monroe County | 95.35 |
| 14 | Adams County | 95.33 |
| 15 | Clayton County | 95.22 |
| 16 | Keokuk County | 95.16 |
| 17 | Ida County | 95.10 |
| 18 | Lucas County | 95.05 |
| 19 | Dickinson County | 95.01 |
| 20 | Appanoose County | 94.91 |
| 21 | Benton County | 94.85 |
| 22 | Jackson County | 94.75 |
| 23 | Worth County | 94.60 |
| 24 | Cass County | 94.56 |
| 25 | Sac County | 94.47 |
| 26 | Guthrie County | 94.44 |
| 27 | Lyon County | 94.44 |
| 28 | Bremer County | 94.43 |
| 29 | Cedar County | 94.42 |
| 30 | Howard County | 94.41 |
| 31 | Madison County | 94.33 |
| 32 | Calhoun County | 94.26 |
| 33 | Greene County | 94.15 |
| 34 | Carroll County | 94.14 |
| 35 | Palo Alto County | 94.10 |
| 36 | Winneshiek County | 93.93 |
| 37 | Fremont County | 93.88 |
| 38 | Montgomery County | 93.88 |
| 39 | Kossuth County | 93.85 |
| 40 | Chickasaw County | 93.67 |
| 41 | Fayette County | 93.65 |
| 42 | Union County | 93.63 |
| 43 | Shelby County | 93.56 |
| 44 | Iowa County | 93.45 |
| 45 | Boone County | 93.37 |
| 46 | Marion County | 93.24 |
| 47 | Mills County | 93.23 |
| 48 | Jones County | 93.21 |
| 49 | Monona County | 93.03 |
| 50 | Clay County | 92.96 |
| 51 | Humboldt County | 92.95 |
| 52 | Cherokee County | 92.91 |
| 53 | Warren County | 92.63 |
| 54 | Decatur County | 92.62 |
| 55 | Hancock County | 92.26 |
| 56 | Jasper County | 92.21 |
| 57 | Poweshiek County | 92.21 |
| 58 | Mahaska County | 92.17 |
| 59 | Taylor County | 91.79 |
| 60 | Hardin County | 91.63 |
| 61 | Pocahontas County | 91.26 |
| 62 | Page County | 91.11 |
| 63 | Plymouth County | 90.63 |
| 64 | Winnebago County | 90.51 |
| 65 | O'Brien County | 90.43 |
| 66 | Lee County | 90.41 |
| 67 | Washington County | 90.29 |
| 68 | Floyd County | 90.19 |
| 69 | Clinton County | 89.91 |
| 70 | Allamakee County | 89.76 |
| 71 | Cerro Gordo County | 89.55 |
| 72 | Emmet County | 89.01 |
| 73 | Dubuque County | 88.97 |
| 74 | Osceola County | 88.58 |
| 75 | Henry County | 87.83 |
| 76 | Hamilton County | 86.97 |
| 77 | Pottawattamie County | 86.83 |
| 78 | Webster County | 86.78 |
| 79 | Jefferson County | 86.61 |
| 80 | Sioux County | 85.71 |
| 81 | Des Moines County | 85.23 |
| 82 | Clarke County | 84.44 |
| 83 | Dallas County | 83.63 |
| 84 | Franklin County | 83.50 |
| 85 | Linn County | 82.78 |
| 86 | Story County | 82.25 |
| 87 | Louisa County | 81.52 |
| 88 | Wright County | 81.45 |
| 89 | Muscatine County | 80.02 |
| 90 | Tama County | 79.71 |
| 91 | Wapello County | 79.52 |
| 92 | Scott County | 79.44 |
| 93 | Black Hawk County | 78.41 |
| 94 | Johnson County | 76.60 |
| 95 | Polk County | 75.94 |
| 96 | Marshall County | 73.75 |
| 97 | Woodbury County | 72.49 |
| 98 | Crawford County | 68.15 |
| 99 | Buena Vista County | 60.50 |