Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic White 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 ethnicity as Non-Hispanic White (97.72%), followed by Delaware County (97.7%), and Lucas County (97.59%).
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
Non-Hispanic White in 2012
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Mitchell County | 97.72 |
| 2 | Delaware County | 97.7 |
| 3 | Lucas County | 97.59 |
| 4 | Grundy County | 97.52 |
| 5 | Adair County | 97.44 |
| 5 | Davis County | 97.44 |
| 6 | Audubon County | 97.39 |
| 7 | Butler County | 97.38 |
| 7 | Van Buren County | 97.38 |
| 8 | Keokuk County | 97.29 |
| 9 | Adams County | 97.19 |
| 10 | Wayne County | 97.05 |
| 11 | Howard County | 97.04 |
| 12 | Benton County | 97.02 |
| 13 | Harrison County | 96.93 |
| 14 | Dickinson County | 96.89 |
| 15 | Buchanan County | 96.87 |
| 16 | Madison County | 96.82 |
| 17 | Ida County | 96.79 |
| 17 | Lyon County | 96.79 |
| 18 | Kossuth County | 96.64 |
| 19 | Chickasaw County | 96.59 |
| 20 | Ringgold County | 96.58 |
| 21 | Clayton County | 96.52 |
| 22 | Iowa County | 96.4 |
| 23 | Appanoose County | 96.36 |
| 24 | Guthrie County | 96.32 |
| 25 | Sac County | 96.27 |
| 26 | Bremer County | 96.19 |
| 26 | Shelby County | 96.19 |
| 27 | Jackson County | 96.12 |
| 28 | Cedar County | 96.09 |
| 29 | Carroll County | 96.01 |
| 30 | Cass County | 95.94 |
| 31 | Palo Alto County | 95.93 |
| 32 | Monona County | 95.84 |
| 33 | Worth County | 95.82 |
| 34 | Fremont County | 95.81 |
| 35 | Greene County | 95.8 |
| 35 | Monroe County | 95.8 |
| 36 | Jasper County | 95.56 |
| 37 | Calhoun County | 95.55 |
| 38 | Warren County | 95.52 |
| 39 | Union County | 95.5 |
| 40 | Winneshiek County | 95.48 |
| 41 | Boone County | 95.46 |
| 42 | Marion County | 95.23 |
| 43 | Montgomery County | 95.22 |
| 44 | Mills County | 95.14 |
| 45 | Jones County | 95.06 |
| 46 | Pocahontas County | 95.02 |
| 47 | Cherokee County | 94.97 |
| 48 | Fayette County | 94.91 |
| 49 | Mahaska County | 94.86 |
| 50 | Clay County | 94.82 |
| 51 | Plymouth County | 94.54 |
| 52 | Humboldt County | 94.53 |
| 53 | Hancock County | 94.45 |
| 54 | Floyd County | 94.23 |
| 55 | O'Brien County | 94.02 |
| 56 | Winnebago County | 93.85 |
| 57 | Hardin County | 93.32 |
| 58 | Decatur County | 93.28 |
| 59 | Poweshiek County | 93.06 |
| 60 | Dubuque County | 92.46 |
| 61 | Cerro Gordo County | 92.32 |
| 62 | Osceola County | 92.31 |
| 63 | Allamakee County | 92.28 |
| 64 | Washington County | 92.21 |
| 65 | Page County | 92.17 |
| 66 | Clinton County | 92.04 |
| 67 | Taylor County | 91.45 |
| 68 | Lee County | 91.25 |
| 69 | Hamilton County | 91.18 |
| 70 | Pottawattamie County | 89.44 |
| 71 | Webster County | 89.28 |
| 72 | Henry County | 89.15 |
| 73 | Des Moines County | 89.06 |
| 74 | Sioux County | 88.85 |
| 75 | Emmet County | 88.68 |
| 76 | Linn County | 88.6 |
| 77 | Wright County | 88.43 |
| 78 | Dallas County | 87.63 |
| 79 | Clarke County | 87.39 |
| 80 | Franklin County | 87.33 |
| 81 | Wapello County | 86.29 |
| 82 | Story County | 85.95 |
| 83 | Jefferson County | 84.38 |
| 84 | Tama County | 83.53 |
| 85 | Black Hawk County | 83.47 |
| 86 | Scott County | 82.07 |
| 87 | Johnson County | 81.93 |
| 88 | Polk County | 80.1 |
| 89 | Louisa County | 79.76 |
| 90 | Muscatine County | 79.48 |
| 91 | Woodbury County | 76.55 |
| 92 | Marshall County | 75.4 |
| 93 | Crawford County | 69.97 |
| 94 | Buena Vista County | 64.71 |
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