Ranking of Iowa Counties By Percentage of Population that are White Alone in 2012
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2012, among all Iowa counties, Mitchell County had the highest percentage of its population who identified their race as White Alone (98.81%), followed by Lyon County (98.73%), and Chickasaw County (98.67%).
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 2012
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Mitchell County | 98.81 |
| 2 | Lyon County | 98.73 |
| 3 | Chickasaw County | 98.67 |
| 4 | Delaware County | 98.6 |
| 5 | Lucas County | 98.59 |
| 6 | Grundy County | 98.58 |
| 7 | Adair County | 98.57 |
| 7 | Ida County | 98.57 |
| 8 | Davis County | 98.51 |
| 9 | Keokuk County | 98.47 |
| 10 | Van Buren County | 98.44 |
| 11 | Sac County | 98.39 |
| 12 | Butler County | 98.38 |
| 13 | Howard County | 98.36 |
| 14 | Ringgold County | 98.31 |
| 15 | Dickinson County | 98.3 |
| 15 | Harrison County | 98.3 |
| 16 | Clayton County | 98.25 |
| 17 | Taylor County | 98.23 |
| 18 | Guthrie County | 98.18 |
| 18 | Iowa County | 98.18 |
| 18 | Wayne County | 98.18 |
| 19 | Benton County | 98.17 |
| 20 | Montgomery County | 98.15 |
| 21 | Audubon County | 98.14 |
| 22 | Buchanan County | 98.11 |
| 23 | Shelby County | 98.08 |
| 24 | Adams County | 98.06 |
| 25 | Madison County | 98.04 |
| 26 | Kossuth County | 97.94 |
| 27 | Monroe County | 97.93 |
| 28 | Appanoose County | 97.9 |
| 28 | Cass County | 97.9 |
| 28 | Greene County | 97.9 |
| 29 | Fremont County | 97.89 |
| 30 | Worth County | 97.87 |
| 31 | Osceola County | 97.86 |
| 32 | Hancock County | 97.84 |
| 33 | Carroll County | 97.78 |
| 34 | Humboldt County | 97.73 |
| 35 | Cedar County | 97.67 |
| 36 | Mills County | 97.65 |
| 37 | Pocahontas County | 97.62 |
| 38 | Palo Alto County | 97.59 |
| 39 | Plymouth County | 97.57 |
| 40 | Clay County | 97.54 |
| 41 | Wright County | 97.5 |
| 42 | Warren County | 97.46 |
| 43 | Boone County | 97.45 |
| 44 | Franklin County | 97.35 |
| 45 | Cherokee County | 97.32 |
| 46 | Union County | 97.31 |
| 47 | O'Brien County | 97.3 |
| 48 | Jackson County | 97.29 |
| 49 | Sioux County | 97.27 |
| 50 | Winneshiek County | 97.22 |
| 51 | Washington County | 97.21 |
| 52 | Bremer County | 97.18 |
| 53 | Clarke County | 97.16 |
| 54 | Monona County | 97.14 |
| 55 | Allamakee County | 97 |
| 56 | Jasper County | 96.93 |
| 57 | Calhoun County | 96.88 |
| 58 | Winnebago County | 96.83 |
| 59 | Fayette County | 96.79 |
| 59 | Hardin County | 96.79 |
| 59 | Marion County | 96.79 |
| 60 | Jones County | 96.39 |
| 61 | Mahaska County | 96.33 |
| 62 | Cerro Gordo County | 96.08 |
| 63 | Floyd County | 96.05 |
| 64 | Hamilton County | 95.71 |
| 65 | Decatur County | 95.66 |
| 66 | Pottawattamie County | 95.61 |
| 67 | Emmet County | 95.51 |
| 68 | Poweshiek County | 95.35 |
| 69 | Louisa County | 95.2 |
| 70 | Muscatine County | 95.09 |
| 71 | Wapello County | 95.04 |
| 72 | Crawford County | 94.8 |
| 73 | Page County | 94.68 |
| 74 | Clinton County | 94.49 |
| 75 | Dubuque County | 94.23 |
| 75 | Lee County | 94.23 |
| 76 | Dallas County | 93.26 |
| 77 | Henry County | 93.02 |
| 78 | Webster County | 92.97 |
| 79 | Marshall County | 92.75 |
| 80 | Des Moines County | 91.25 |
| 81 | Linn County | 91.02 |
| 82 | Woodbury County | 89.23 |
| 83 | Tama County | 88.63 |
| 84 | Story County | 88.55 |
| 85 | Buena Vista County | 87.57 |
| 86 | Scott County | 87.23 |
| 87 | Polk County | 87.12 |
| 88 | Black Hawk County | 86.78 |
| 89 | Jefferson County | 86.75 |
| 90 | Johnson County | 86.31 |