Ranking of Iowa Counties By Percentage of Population that are Two Or More Races in 2020
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2020, among all Iowa counties, Scott County had the highest percentage of its population who identified their race as Two Or More Races (3.27%), followed by Des Moines County (3.07%), and Tama County (3.07%).
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
Two Or More Races in 2020
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Scott County | 3.27 |
| 2 | Des Moines County | 3.07 |
| 2 | Tama County | 3.07 |
| 3 | Woodbury County | 2.98 |
| 4 | Linn County | 2.96 |
| 5 | Black Hawk County | 2.68 |
| 6 | Johnson County | 2.6 |
| 7 | Polk County | 2.59 |
| 8 | Clinton County | 2.37 |
| 9 | Webster County | 2.36 |
| 10 | Jefferson County | 2.18 |
| 11 | Lee County | 2.17 |
| 12 | Emmet County | 2.13 |
| 13 | Pottawattamie County | 2.12 |
| 14 | Story County | 1.99 |
| 15 | Cerro Gordo County | 1.97 |
| 16 | Marshall County | 1.85 |
| 17 | Fremont County | 1.8 |
| 18 | Dubuque County | 1.79 |
| 19 | Henry County | 1.75 |
| 20 | Dallas County | 1.69 |
| 21 | Hamilton County | 1.68 |
| 22 | Page County | 1.64 |
| 23 | Wapello County | 1.59 |
| 24 | Washington County | 1.58 |
| 25 | Appanoose County | 1.57 |
| 26 | Wright County | 1.56 |
| 27 | Decatur County | 1.55 |
| 28 | Muscatine County | 1.54 |
| 29 | Floyd County | 1.52 |
| 30 | Clarke County | 1.48 |
| 30 | Poweshiek County | 1.48 |
| 31 | Louisa County | 1.47 |
| 32 | Winnebago County | 1.46 |
| 33 | Warren County | 1.45 |
| 34 | Buena Vista County | 1.42 |
| 35 | Pocahontas County | 1.4 |
| 36 | Cedar County | 1.38 |
| 37 | Clay County | 1.37 |
| 37 | Humboldt County | 1.37 |
| 37 | Marion County | 1.37 |
| 38 | Fayette County | 1.36 |
| 38 | Monroe County | 1.36 |
| 38 | Montgomery County | 1.36 |
| 39 | Adair County | 1.34 |
| 40 | Franklin County | 1.33 |
| 41 | Osceola County | 1.32 |
| 41 | Wayne County | 1.32 |
| 42 | Dickinson County | 1.31 |
| 43 | Plymouth County | 1.3 |
| 44 | Harrison County | 1.29 |
| 45 | Monona County | 1.28 |
| 46 | Madison County | 1.27 |
| 47 | Guthrie County | 1.26 |
| 48 | Bremer County | 1.23 |
| 48 | Ida County | 1.23 |
| 48 | Iowa County | 1.23 |
| 48 | Jackson County | 1.23 |
| 48 | Jasper County | 1.23 |
| 49 | Boone County | 1.22 |
| 49 | Greene County | 1.22 |
| 50 | Buchanan County | 1.21 |
| 50 | Howard County | 1.21 |
| 50 | Palo Alto County | 1.21 |
| 51 | Lyon County | 1.19 |
| 51 | Mahaska County | 1.19 |
| 52 | Sac County | 1.18 |
| 53 | Hardin County | 1.17 |
| 53 | Shelby County | 1.17 |
| 54 | Worth County | 1.16 |
| 55 | Van Buren County | 1.15 |
| 56 | Benton County | 1.14 |
| 57 | Mills County | 1.13 |
| 58 | Lucas County | 1.11 |
| 59 | Taylor County | 1.09 |
| 60 | Calhoun County | 1.08 |
| 60 | Clayton County | 1.08 |
| 61 | Kossuth County | 1.07 |
| 62 | O'Brien County | 1.06 |
| 62 | Ringgold County | 1.06 |
| 63 | Grundy County | 1.05 |
| 64 | Union County | 1.03 |
| 65 | Butler County | 1.02 |
| 65 | Carroll County | 1.02 |
| 66 | Keokuk County | 1.01 |
| 67 | Crawford County | 0.97 |
| 68 | Cherokee County | 0.95 |
| 69 | Cass County | 0.94 |
| 69 | Davis County | 0.94 |
| 70 | Audubon County | 0.93 |
| 71 | Adams County | 0.92 |
| 72 | Hancock County | 0.89 |
| 73 | Jones County | 0.87 |
| 74 | Allamakee County | 0.85 |
| 75 | Chickasaw County | 0.83 |
| 75 | Winneshiek County | 0.83 |
| 76 | Delaware County | 0.77 |
| 76 | Sioux County | 0.77 |
| 77 | Mitchell County | 0.75 |