Ranking of Iowa Counties By Percentage of Population that are White Alone in 2017
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Davis County had the highest percentage of its population who identified their race as White Alone (98.22%), followed by Mitchell County (98.11%), and Keokuk County (98.07%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.
You can see similar ranking information for other racial and ethnicity groups in the United States.
You can also see similar information for other states, and also the ranking of all counties in the United States.
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Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Iowa Counties By Percentage of Pop. that are
White Alone in 2017
25
0 of 0
| Rank | County | % of County Population |
|---|---|---|
| 1 | Davis County | 98.22 |
| 2 | Mitchell County | 98.11 |
| 3 | Keokuk County | 98.07 |
| 4 | Grundy County | 98.04 |
| 5 | Lucas County | 98.01 |
| 6 | Van Buren County | 97.93 |
| 7 | Chickasaw County | 97.92 |
| 7 | Howard County | 97.92 |
| 8 | Delaware County | 97.9 |
| 8 | Sac County | 97.9 |
| 9 | Audubon County | 97.86 |
| 10 | Adams County | 97.84 |
| 10 | Lyon County | 97.84 |
| 11 | Butler County | 97.79 |
| 12 | Harrison County | 97.77 |
| 12 | Ida County | 97.77 |
| 13 | Adair County | 97.76 |
| 14 | Clayton County | 97.72 |
| 15 | Iowa County | 97.69 |
| 16 | Guthrie County | 97.6 |
| 17 | Ringgold County | 97.59 |
| 18 | Buchanan County | 97.58 |
| 18 | Cass County | 97.58 |
| 19 | Benton County | 97.54 |
| 20 | Taylor County | 97.51 |
| 21 | Wayne County | 97.44 |
| 22 | Dickinson County | 97.4 |
| 23 | Montgomery County | 97.33 |
| 24 | Hancock County | 97.31 |
| 25 | Cedar County | 97.3 |
| 26 | Humboldt County | 97.25 |
| 27 | Fremont County | 97.23 |
| 28 | Greene County | 97.17 |
| 29 | Winneshiek County | 97.16 |
| 30 | Madison County | 97.06 |
| 31 | Mills County | 96.97 |
| 32 | Shelby County | 96.96 |
| 33 | Carroll County | 96.94 |
| 34 | Osceola County | 96.93 |
| 35 | Sioux County | 96.92 |
| 36 | Monroe County | 96.87 |
| 37 | Clay County | 96.86 |
| 38 | Appanoose County | 96.84 |
| 39 | Kossuth County | 96.83 |
| 40 | O'Brien County | 96.75 |
| 41 | Warren County | 96.74 |
| 42 | Cherokee County | 96.7 |
| 43 | Wright County | 96.65 |
| 44 | Boone County | 96.64 |
| 45 | Worth County | 96.63 |
| 46 | Monona County | 96.59 |
| 47 | Washington County | 96.58 |
| 48 | Jackson County | 96.52 |
| 49 | Bremer County | 96.44 |
| 50 | Franklin County | 96.39 |
| 51 | Union County | 96.38 |
| 52 | Marion County | 96.34 |
| 53 | Calhoun County | 96.25 |
| 54 | Plymouth County | 96.15 |
| 55 | Pocahontas County | 96.11 |
| 56 | Allamakee County | 96.09 |
| 57 | Fayette County | 96.08 |
| 58 | Hardin County | 95.94 |
| 59 | Clarke County | 95.77 |
| 60 | Palo Alto County | 95.74 |
| 61 | Winnebago County | 95.71 |
| 62 | Jones County | 95.59 |
| 63 | Jasper County | 95.51 |
| 64 | Decatur County | 95.38 |
| 65 | Cerro Gordo County | 94.93 |
| 66 | Mahaska County | 94.81 |
| 67 | Hamilton County | 94.66 |
| 68 | Pottawattamie County | 94.59 |
| 69 | Floyd County | 94.32 |
| 70 | Emmet County | 94.29 |
| 71 | Poweshiek County | 94.26 |
| 72 | Lee County | 94.01 |
| 73 | Page County | 94 |
| 74 | Muscatine County | 93.85 |
| 75 | Clinton County | 93.66 |
| 76 | Louisa County | 92.94 |
| 77 | Dubuque County | 92.59 |
| 78 | Henry County | 92.5 |
| 79 | Wapello County | 91.99 |
| 80 | Crawford County | 91.6 |
| 81 | Marshall County | 91.3 |
| 81 | Webster County | 91.3 |
| 82 | Dallas County | 91.06 |
| 83 | Des Moines County | 89.89 |
| 84 | Linn County | 88.69 |
| 85 | Woodbury County | 87.5 |
| 86 | Tama County | 87.39 |
| 87 | Story County | 86.68 |
| 88 | Scott County | 85.76 |
| 89 | Polk County | 85.2 |
| 90 | Black Hawk County | 84.82 |
| 91 | Jefferson County | 83.63 |
| 92 | Johnson County | 83.18 |
| 93 | Buena Vista County | 82.87 |
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