Ranking of Iowa Counties By Percentage of Population that are Two Or More Races in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, among all Iowa counties, Scott County had the highest percentage of its population who identified their race as Two Or More Races (3.17%), followed by Des Moines County (2.97%), and Woodbury County (2.92%).
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 2018
25
0 of 0
| Rank | County | % of County Population |
|---|---|---|
| 1 | Scott County | 3.17 |
| 2 | Des Moines County | 2.97 |
| 3 | Woodbury County | 2.92 |
| 4 | Linn County | 2.83 |
| 5 | Tama County | 2.8 |
| 6 | Black Hawk County | 2.56 |
| 7 | Johnson County | 2.5 |
| 8 | Polk County | 2.45 |
| 9 | Webster County | 2.36 |
| 10 | Clinton County | 2.16 |
| 11 | Emmet County | 2.1 |
| 12 | Pottawattamie County | 1.96 |
| 13 | Lee County | 1.94 |
| 14 | Marshall County | 1.86 |
| 15 | Story County | 1.83 |
| 16 | Cerro Gordo County | 1.81 |
| 17 | Jefferson County | 1.74 |
| 18 | Henry County | 1.68 |
| 19 | Hamilton County | 1.67 |
| 20 | Dubuque County | 1.66 |
| 21 | Poweshiek County | 1.63 |
| 22 | Dallas County | 1.62 |
| 23 | Page County | 1.59 |
| 24 | Wapello County | 1.58 |
| 25 | Muscatine County | 1.51 |
| 26 | Decatur County | 1.47 |
| 27 | Clarke County | 1.43 |
| 27 | Floyd County | 1.43 |
| 27 | Pocahontas County | 1.43 |
| 28 | Appanoose County | 1.41 |
| 29 | Humboldt County | 1.39 |
| 29 | Winnebago County | 1.39 |
| 30 | Harrison County | 1.38 |
| 30 | Warren County | 1.38 |
| 31 | Buena Vista County | 1.37 |
| 31 | Louisa County | 1.37 |
| 31 | Washington County | 1.37 |
| 32 | Monona County | 1.36 |
| 32 | Osceola County | 1.36 |
| 33 | Worth County | 1.35 |
| 34 | Franklin County | 1.34 |
| 34 | Van Buren County | 1.34 |
| 35 | Fayette County | 1.33 |
| 35 | Greene County | 1.33 |
| 36 | Marion County | 1.3 |
| 37 | Cedar County | 1.29 |
| 38 | Fremont County | 1.28 |
| 38 | Wright County | 1.28 |
| 39 | Madison County | 1.27 |
| 39 | Plymouth County | 1.27 |
| 40 | Clay County | 1.26 |
| 41 | Jackson County | 1.25 |
| 42 | Montgomery County | 1.24 |
| 43 | Guthrie County | 1.22 |
| 43 | Mahaska County | 1.22 |
| 43 | Sac County | 1.22 |
| 44 | Hardin County | 1.19 |
| 45 | Mills County | 1.18 |
| 46 | Boone County | 1.16 |
| 46 | Wayne County | 1.16 |
| 47 | Jasper County | 1.15 |
| 48 | Bremer County | 1.12 |
| 48 | Kossuth County | 1.12 |
| 49 | Palo Alto County | 1.11 |
| 50 | Iowa County | 1.1 |
| 50 | Monroe County | 1.1 |
| 51 | Benton County | 1.08 |
| 51 | Ringgold County | 1.08 |
| 52 | Ida County | 1.07 |
| 53 | Buchanan County | 1.05 |
| 54 | Shelby County | 1.04 |
| 55 | Dickinson County | 1.03 |
| 56 | Carroll County | 1.02 |
| 56 | Lyon County | 1.02 |
| 56 | Union County | 1.02 |
| 57 | Calhoun County | 1.01 |
| 57 | Cherokee County | 1.01 |
| 58 | Adair County | 1 |
| 59 | Davis County | 0.99 |
| 60 | O'Brien County | 0.97 |
| 61 | Cass County | 0.94 |
| 61 | Howard County | 0.94 |
| 62 | Audubon County | 0.93 |
| 62 | Hancock County | 0.93 |
| 63 | Keokuk County | 0.92 |
| 64 | Grundy County | 0.9 |
| 64 | Lucas County | 0.9 |
| 65 | Clayton County | 0.87 |
| 66 | Butler County | 0.86 |
| 67 | Delaware County | 0.82 |
| 67 | Taylor County | 0.82 |
| 67 | Winneshiek County | 0.82 |
| 68 | Crawford County | 0.8 |
| 69 | Sioux County | 0.79 |
| 70 | Adams County | 0.77 |
| 71 | Jones County | 0.76 |
| 72 | Chickasaw County | 0.74 |
| 73 | Allamakee County | 0.72 |
| 74 | Mitchell County | 0.71 |
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