Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic White in 2019
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2019, among all Iowa counties, Grundy County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (96.69%), followed by Davis County (96.64%), and Mitchell County (96.56%).
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 2019
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Grundy County | 96.69 |
| 2 | Davis County | 96.64 |
| 3 | Mitchell County | 96.56 |
| 4 | Butler County | 96.32 |
| 5 | Delaware County | 96.31 |
| 6 | Adams County | 96.11 |
| 7 | Benton County | 96.1 |
| 8 | Howard County | 96.09 |
| 9 | Wayne County | 95.96 |
| 10 | Keokuk County | 95.93 |
| 11 | Audubon County | 95.88 |
| 11 | Buchanan County | 95.88 |
| 12 | Van Buren County | 95.86 |
| 13 | Clayton County | 95.85 |
| 14 | Harrison County | 95.72 |
| 15 | Lucas County | 95.64 |
| 16 | Cedar County | 95.18 |
| 17 | Jackson County | 95.15 |
| 18 | Chickasaw County | 95.14 |
| 19 | Adair County | 95.11 |
| 19 | Dickinson County | 95.11 |
| 20 | Lyon County | 95.09 |
| 21 | Monroe County | 95.08 |
| 22 | Madison County | 94.86 |
| 23 | Ringgold County | 94.84 |
| 24 | Winneshiek County | 94.83 |
| 25 | Cass County | 94.79 |
| 26 | Bremer County | 94.74 |
| 27 | Guthrie County | 94.7 |
| 28 | Appanoose County | 94.6 |
| 29 | Fremont County | 94.54 |
| 30 | Ida County | 94.49 |
| 31 | Iowa County | 94.38 |
| 32 | Carroll County | 94.37 |
| 33 | Marion County | 94.33 |
| 34 | Greene County | 94.3 |
| 35 | Boone County | 94.27 |
| 36 | Shelby County | 94.2 |
| 37 | Monona County | 94.13 |
| 38 | Mills County | 93.85 |
| 39 | Sac County | 93.8 |
| 40 | Kossuth County | 93.77 |
| 41 | Worth County | 93.74 |
| 42 | Calhoun County | 93.69 |
| 43 | Jones County | 93.67 |
| 44 | Warren County | 93.64 |
| 45 | Union County | 93.5 |
| 46 | Montgomery County | 93.14 |
| 47 | Fayette County | 93.13 |
| 48 | Jasper County | 93.04 |
| 49 | Humboldt County | 92.98 |
| 50 | Clay County | 92.96 |
| 51 | Cherokee County | 92.79 |
| 52 | Pocahontas County | 92.7 |
| 53 | Palo Alto County | 92.63 |
| 54 | Mahaska County | 92.38 |
| 55 | Hancock County | 92.32 |
| 56 | Decatur County | 92.13 |
| 57 | O'Brien County | 91.72 |
| 58 | Hardin County | 91.67 |
| 59 | Poweshiek County | 91.61 |
| 60 | Clinton County | 90.83 |
| 61 | Winnebago County | 90.66 |
| 62 | Lee County | 90.57 |
| 63 | Floyd County | 90.44 |
| 63 | Page County | 90.44 |
| 64 | Plymouth County | 90.35 |
| 65 | Dubuque County | 90.1 |
| 65 | Washington County | 90.1 |
| 66 | Allamakee County | 89.96 |
| 67 | Taylor County | 89.87 |
| 68 | Cerro Gordo County | 89.75 |
| 69 | Hamilton County | 88.71 |
| 70 | Osceola County | 88.02 |
| 71 | Henry County | 87.91 |
| 72 | Pottawattamie County | 87.05 |
| 73 | Emmet County | 86.95 |
| 74 | Sioux County | 86.6 |
| 75 | Des Moines County | 86.49 |
| 76 | Webster County | 86.25 |
| 77 | Linn County | 84.93 |
| 78 | Dallas County | 84.41 |
| 79 | Franklin County | 84.26 |
| 80 | Wright County | 84.13 |
| 81 | Story County | 83.41 |
| 82 | Jefferson County | 81.01 |
| 83 | Clarke County | 80.89 |
| 84 | Wapello County | 80.74 |
| 85 | Black Hawk County | 80.23 |
| 86 | Scott County | 79.23 |
| 87 | Tama County | 79.21 |
| 88 | Louisa County | 77.9 |
| 89 | Johnson County | 77.46 |
| 90 | Polk County | 76.71 |
| 91 | Muscatine County | 76.27 |
| 92 | Woodbury County | 71.04 |
| 93 | Marshall County | 69.32 |
| 94 | Crawford County | 64.14 |
| 95 | Buena Vista County | 57.5 |