Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic White in 2011
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2011, among all Iowa counties, Delaware County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (97.85%), followed by Lucas County (97.84%), and Audubon County (97.83%).
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 2011
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Delaware County | 97.85 |
| 2 | Lucas County | 97.84 |
| 3 | Audubon County | 97.83 |
| 4 | Mitchell County | 97.82 |
| 5 | Grundy County | 97.71 |
| 6 | Adair County | 97.58 |
| 7 | Davis County | 97.56 |
| 8 | Butler County | 97.5 |
| 9 | Keokuk County | 97.46 |
| 10 | Van Buren County | 97.38 |
| 11 | Wayne County | 97.3 |
| 12 | Dickinson County | 97.23 |
| 13 | Adams County | 97.22 |
| 13 | Benton County | 97.22 |
| 14 | Howard County | 97.17 |
| 15 | Harrison County | 97.14 |
| 16 | Madison County | 97.01 |
| 17 | Kossuth County | 96.98 |
| 17 | Lyon County | 96.98 |
| 18 | Ida County | 96.96 |
| 19 | Buchanan County | 96.9 |
| 20 | Ringgold County | 96.71 |
| 21 | Cedar County | 96.65 |
| 22 | Clayton County | 96.64 |
| 23 | Shelby County | 96.62 |
| 24 | Chickasaw County | 96.57 |
| 25 | Appanoose County | 96.49 |
| 26 | Guthrie County | 96.45 |
| 26 | Iowa County | 96.45 |
| 27 | Jackson County | 96.42 |
| 28 | Bremer County | 96.31 |
| 28 | Sac County | 96.31 |
| 29 | Cass County | 96.28 |
| 30 | Carroll County | 96.22 |
| 31 | Palo Alto County | 96.16 |
| 32 | Worth County | 96.11 |
| 33 | Greene County | 95.99 |
| 34 | Monona County | 95.84 |
| 35 | Fremont County | 95.79 |
| 35 | Monroe County | 95.79 |
| 36 | Jasper County | 95.69 |
| 37 | Calhoun County | 95.68 |
| 37 | Pocahontas County | 95.68 |
| 38 | Union County | 95.62 |
| 39 | Boone County | 95.59 |
| 40 | Winneshiek County | 95.57 |
| 41 | Warren County | 95.52 |
| 42 | Marion County | 95.47 |
| 43 | Fayette County | 95.3 |
| 44 | Cherokee County | 95.26 |
| 45 | Montgomery County | 95.23 |
| 46 | Jones County | 95.2 |
| 46 | Mills County | 95.2 |
| 47 | Clay County | 95.14 |
| 48 | Plymouth County | 94.91 |
| 49 | Humboldt County | 94.82 |
| 50 | Mahaska County | 94.7 |
| 51 | Hancock County | 94.56 |
| 52 | Floyd County | 94.55 |
| 53 | O'Brien County | 94.23 |
| 54 | Winnebago County | 94.07 |
| 55 | Hardin County | 93.7 |
| 56 | Decatur County | 93.56 |
| 57 | Poweshiek County | 93.34 |
| 58 | Dubuque County | 92.72 |
| 59 | Washington County | 92.47 |
| 60 | Cerro Gordo County | 92.35 |
| 61 | Allamakee County | 92.34 |
| 62 | Page County | 92.32 |
| 63 | Clinton County | 92.28 |
| 64 | Osceola County | 92.08 |
| 65 | Taylor County | 91.95 |
| 66 | Lee County | 91.46 |
| 67 | Hamilton County | 91.3 |
| 68 | Webster County | 89.78 |
| 69 | Henry County | 89.65 |
| 70 | Pottawattamie County | 89.57 |
| 71 | Des Moines County | 89.21 |
| 72 | Emmet County | 89 |
| 73 | Sioux County | 88.99 |
| 74 | Linn County | 88.94 |
| 75 | Wright County | 88.45 |
| 76 | Dallas County | 88.01 |
| 77 | Clarke County | 87.47 |
| 78 | Franklin County | 87.38 |
| 79 | Wapello County | 87.03 |
| 80 | Story County | 86.19 |
| 81 | Jefferson County | 85.13 |
| 82 | Tama County | 83.97 |
| 83 | Black Hawk County | 83.71 |
| 84 | Scott County | 82.53 |
| 85 | Johnson County | 82.48 |
| 86 | Polk County | 80.45 |
| 87 | Louisa County | 80.19 |
| 87 | Muscatine County | 80.19 |
| 88 | Woodbury County | 76.98 |
| 89 | Marshall County | 76.69 |
| 90 | Crawford County | 71.05 |
| 91 | Buena Vista County | 66.15 |
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