Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic White in 2016
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2016, among all Iowa counties, Davis County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (97.11%), followed by Grundy County (97.07%), and Audubon County (97.01%).
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 2016
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Davis County | 97.11 |
| 2 | Grundy County | 97.07 |
| 3 | Audubon County | 97.01 |
| 4 | Howard County | 96.83 |
| 5 | Van Buren County | 96.8 |
| 6 | Mitchell County | 96.78 |
| 7 | Delaware County | 96.69 |
| 8 | Butler County | 96.65 |
| 8 | Keokuk County | 96.65 |
| 9 | Adams County | 96.61 |
| 9 | Lucas County | 96.61 |
| 10 | Benton County | 96.5 |
| 10 | Buchanan County | 96.5 |
| 11 | Adair County | 96.39 |
| 12 | Harrison County | 96.27 |
| 13 | Clayton County | 96.23 |
| 14 | Wayne County | 96.1 |
| 15 | Chickasaw County | 96.09 |
| 16 | Dickinson County | 95.93 |
| 17 | Lyon County | 95.85 |
| 18 | Cedar County | 95.74 |
| 19 | Ida County | 95.72 |
| 20 | Jackson County | 95.66 |
| 21 | Madison County | 95.52 |
| 22 | Ringgold County | 95.48 |
| 23 | Appanoose County | 95.46 |
| 24 | Sac County | 95.43 |
| 25 | Cass County | 95.41 |
| 25 | Guthrie County | 95.41 |
| 26 | Iowa County | 95.4 |
| 27 | Fremont County | 95.36 |
| 28 | Bremer County | 95.27 |
| 29 | Carroll County | 95.23 |
| 30 | Winneshiek County | 95.21 |
| 31 | Kossuth County | 95.03 |
| 32 | Greene County | 94.98 |
| 33 | Monona County | 94.92 |
| 34 | Shelby County | 94.83 |
| 35 | Marion County | 94.67 |
| 36 | Calhoun County | 94.64 |
| 37 | Worth County | 94.51 |
| 38 | Monroe County | 94.47 |
| 38 | Warren County | 94.47 |
| 39 | Boone County | 94.34 |
| 40 | Mills County | 94.24 |
| 41 | Union County | 94.23 |
| 42 | Jones County | 94.22 |
| 43 | Fayette County | 94.19 |
| 44 | Montgomery County | 94.14 |
| 45 | Jasper County | 94.08 |
| 46 | Palo Alto County | 93.93 |
| 47 | Humboldt County | 93.91 |
| 48 | Clay County | 93.73 |
| 49 | Cherokee County | 93.67 |
| 50 | Hancock County | 93.64 |
| 51 | Mahaska County | 93.51 |
| 52 | Pocahontas County | 93.05 |
| 53 | Decatur County | 92.97 |
| 54 | O'Brien County | 92.95 |
| 55 | Plymouth County | 92.27 |
| 56 | Hardin County | 92.15 |
| 57 | Floyd County | 92.06 |
| 58 | Winnebago County | 91.88 |
| 59 | Poweshiek County | 91.87 |
| 60 | Washington County | 91.42 |
| 61 | Clinton County | 91.29 |
| 62 | Page County | 91.25 |
| 63 | Dubuque County | 91.1 |
| 64 | Lee County | 90.93 |
| 65 | Cerro Gordo County | 90.85 |
| 66 | Allamakee County | 90.76 |
| 67 | Taylor County | 90.74 |
| 68 | Osceola County | 89.85 |
| 69 | Hamilton County | 89.65 |
| 70 | Henry County | 88.28 |
| 71 | Pottawattamie County | 87.91 |
| 72 | Emmet County | 87.83 |
| 73 | Des Moines County | 87.73 |
| 74 | Sioux County | 87.42 |
| 75 | Webster County | 87.4 |
| 76 | Linn County | 86.5 |
| 77 | Wright County | 86.27 |
| 78 | Dallas County | 85.99 |
| 79 | Franklin County | 85.39 |
| 80 | Story County | 84.07 |
| 81 | Clarke County | 83.68 |
| 82 | Wapello County | 82.83 |
| 83 | Black Hawk County | 81.55 |
| 84 | Tama County | 81.35 |
| 85 | Jefferson County | 81.18 |
| 86 | Scott County | 80.34 |
| 87 | Johnson County | 78.87 |
| 88 | Polk County | 78.18 |
| 89 | Louisa County | 78.16 |
| 90 | Muscatine County | 77.5 |
| 91 | Woodbury County | 74.07 |
| 92 | Marshall County | 71.75 |
| 93 | Crawford County | 66.53 |
| 94 | Buena Vista County | 60.31 |
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