Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Two Or More Races in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Scott County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Two Or More Races (2.57%), followed by Linn County (2.31%), and Des Moines County (2.28%).
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 Two Or More Races in 2015
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Scott County | 2.57 |
| 2 | Linn County | 2.31 |
| 3 | Des Moines County | 2.28 |
| 4 | Woodbury County | 2.23 |
| 5 | Black Hawk County | 2.18 |
| 6 | Johnson County | 2.1 |
| 7 | Polk County | 2.04 |
| 8 | Webster County | 1.84 |
| 9 | Clinton County | 1.79 |
| 10 | Tama County | 1.71 |
| 11 | Lee County | 1.7 |
| 12 | Pottawattamie County | 1.59 |
| 13 | Story County | 1.58 |
| 14 | Henry County | 1.54 |
| 15 | Jefferson County | 1.52 |
| 16 | Cerro Gordo County | 1.49 |
| 17 | Dubuque County | 1.4 |
| 18 | Marshall County | 1.3 |
| 19 | Dallas County | 1.28 |
| 20 | Poweshiek County | 1.27 |
| 21 | Pocahontas County | 1.26 |
| 22 | Page County | 1.25 |
| 23 | Monona County | 1.22 |
| 24 | Wapello County | 1.21 |
| 25 | Mills County | 1.18 |
| 26 | Winnebago County | 1.14 |
| 27 | Appanoose County | 1.12 |
| 27 | Decatur County | 1.12 |
| 28 | Muscatine County | 1.11 |
| 29 | Hamilton County | 1.1 |
| 30 | Hardin County | 1.09 |
| 31 | Fayette County | 1.06 |
| 32 | Buena Vista County | 1.05 |
| 32 | Warren County | 1.05 |
| 32 | Wright County | 1.05 |
| 33 | Floyd County | 1.04 |
| 34 | Boone County | 1.03 |
| 34 | Cedar County | 1.03 |
| 34 | Montgomery County | 1.03 |
| 35 | Jackson County | 1.02 |
| 36 | Bremer County | 1.01 |
| 36 | Washington County | 1.01 |
| 37 | Jasper County | 1 |
| 38 | Buchanan County | 0.99 |
| 38 | Clay County | 0.99 |
| 38 | Madison County | 0.99 |
| 39 | Greene County | 0.98 |
| 39 | Harrison County | 0.98 |
| 39 | Plymouth County | 0.98 |
| 40 | Benton County | 0.97 |
| 40 | Mahaska County | 0.97 |
| 40 | Marion County | 0.97 |
| 40 | Worth County | 0.97 |
| 41 | Davis County | 0.96 |
| 41 | Palo Alto County | 0.96 |
| 42 | Guthrie County | 0.95 |
| 43 | Butler County | 0.92 |
| 43 | Cherokee County | 0.92 |
| 43 | Grundy County | 0.92 |
| 43 | Humboldt County | 0.92 |
| 44 | Clarke County | 0.91 |
| 44 | Fremont County | 0.91 |
| 45 | Iowa County | 0.9 |
| 46 | Sac County | 0.88 |
| 47 | Carroll County | 0.87 |
| 47 | Louisa County | 0.87 |
| 47 | Wayne County | 0.87 |
| 48 | Franklin County | 0.86 |
| 48 | Monroe County | 0.86 |
| 49 | Ida County | 0.85 |
| 49 | Union County | 0.85 |
| 50 | Dickinson County | 0.84 |
| 50 | Hancock County | 0.84 |
| 51 | Taylor County | 0.82 |
| 52 | Calhoun County | 0.81 |
| 52 | Shelby County | 0.81 |
| 53 | Clayton County | 0.78 |
| 54 | Howard County | 0.77 |
| 54 | Kossuth County | 0.77 |
| 55 | Audubon County | 0.75 |
| 55 | O'Brien County | 0.75 |
| 55 | Osceola County | 0.75 |
| 56 | Van Buren County | 0.74 |
| 57 | Keokuk County | 0.73 |
| 58 | Jones County | 0.71 |
| 59 | Emmet County | 0.7 |
| 60 | Delaware County | 0.67 |
| 60 | Lucas County | 0.67 |
| 61 | Winneshiek County | 0.66 |
| 62 | Sioux County | 0.65 |
| 63 | Adair County | 0.64 |
| 64 | Chickasaw County | 0.63 |
| 65 | Crawford County | 0.62 |
| 65 | Lyon County | 0.62 |
| 65 | Ringgold County | 0.62 |
| 66 | Adams County | 0.61 |
| 67 | Mitchell County | 0.57 |
| 68 | Allamakee County | 0.55 |
| 69 | Cass County | 0.53 |
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