Ranking of Iowa Counties By Two Or More Races Population in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Polk County had the highest number of people who identified their race as Two Or More Races (13.15K), followed by Linn County (6.95K), and Scott County (5.81K).
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 Two Or More Races Population in 2021
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| Rank | County | Two Or More Races Population |
|---|---|---|
| 1 | Polk County | 13151 |
| 2 | Linn County | 6948 |
| 3 | Scott County | 5813 |
| 4 | Johnson County | 4096 |
| 5 | Black Hawk County | 3669 |
| 6 | Woodbury County | 3200 |
| 7 | Pottawattamie County | 2035 |
| 8 | Story County | 1959 |
| 9 | Dallas County | 1881 |
| 10 | Dubuque County | 1804 |
| 11 | Des Moines County | 1171 |
| 12 | Clinton County | 1144 |
| 13 | Webster County | 968 |
| 14 | Cerro Gordo County | 868 |
| 15 | Warren County | 866 |
| 16 | Marshall County | 772 |
| 17 | Lee County | 751 |
| 18 | Muscatine County | 685 |
| 19 | Wapello County | 573 |
| 20 | Tama County | 498 |
| 21 | Marion County | 473 |
| 22 | Jasper County | 472 |
| 23 | Washington County | 364 |
| 24 | Henry County | 360 |
| 25 | Plymouth County | 351 |
| 26 | Jefferson County | 349 |
| 27 | Boone County | 342 |
| 28 | Bremer County | 327 |
| 29 | Benton County | 326 |
| 30 | Poweshiek County | 324 |
| 31 | Buena Vista County | 318 |
| 32 | Sioux County | 293 |
| 33 | Mahaska County | 282 |
| 34 | Cedar County | 279 |
| 34 | Fayette County | 279 |
| 35 | Hamilton County | 269 |
| 36 | Page County | 250 |
| 37 | Dickinson County | 248 |
| 37 | Jackson County | 248 |
| 38 | Clay County | 241 |
| 39 | Buchanan County | 237 |
| 40 | Floyd County | 236 |
| 41 | Madison County | 220 |
| 42 | Hardin County | 211 |
| 43 | Jones County | 204 |
| 43 | Mills County | 204 |
| 44 | Carroll County | 203 |
| 45 | Clayton County | 199 |
| 46 | Appanoose County | 198 |
| 47 | Harrison County | 197 |
| 48 | Emmet County | 196 |
| 48 | Iowa County | 196 |
| 48 | Wright County | 196 |
| 49 | Winneshiek County | 181 |
| 50 | O'Brien County | 172 |
| 51 | Shelby County | 171 |
| 52 | Winnebago County | 166 |
| 53 | Kossuth County | 165 |
| 54 | Butler County | 161 |
| 54 | Crawford County | 161 |
| 55 | Delaware County | 160 |
| 56 | Louisa County | 149 |
| 57 | Lyon County | 145 |
| 58 | Cass County | 141 |
| 59 | Franklin County | 140 |
| 60 | Montgomery County | 135 |
| 61 | Clarke County | 132 |
| 61 | Guthrie County | 132 |
| 62 | Grundy County | 130 |
| 62 | Union County | 130 |
| 63 | Decatur County | 126 |
| 64 | Humboldt County | 124 |
| 64 | Keokuk County | 124 |
| 65 | Howard County | 120 |
| 66 | Greene County | 117 |
| 67 | Monona County | 116 |
| 68 | Sac County | 115 |
| 69 | Calhoun County | 113 |
| 70 | Allamakee County | 112 |
| 71 | Cherokee County | 111 |
| 72 | Palo Alto County | 110 |
| 73 | Monroe County | 108 |
| 74 | Fremont County | 106 |
| 75 | Chickasaw County | 105 |
| 75 | Hancock County | 105 |
| 76 | Pocahontas County | 103 |
| 77 | Lucas County | 102 |
| 77 | Worth County | 102 |
| 78 | Adair County | 98 |
| 79 | Van Buren County | 91 |
| 80 | Davis County | 89 |
| 81 | Wayne County | 88 |
| 82 | Ida County | 87 |
| 83 | Osceola County | 83 |
| 84 | Mitchell County | 77 |
| 85 | Taylor County | 64 |
| 86 | Audubon County | 54 |
| 87 | Ringgold County | 47 |
| 88 | Adams County | 38 |
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