Ranking of Iowa Counties By Two Or More Races Population in 2020
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2020, among all Iowa counties, Polk County had the highest number of people who identified their race as Two Or More Races (12.77K), followed by Linn County (6.83K), and Scott County (5.71K).
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 2020
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| Rank | County | Two Or More Races Population |
|---|---|---|
| 1 | Polk County | 12767 |
| 2 | Linn County | 6828 |
| 3 | Scott County | 5712 |
| 4 | Johnson County | 3972 |
| 5 | Black Hawk County | 3516 |
| 6 | Woodbury County | 3155 |
| 7 | Pottawattamie County | 1982 |
| 8 | Story County | 1958 |
| 9 | Dubuque County | 1775 |
| 10 | Dallas County | 1700 |
| 11 | Des Moines County | 1190 |
| 12 | Clinton County | 1100 |
| 13 | Webster County | 873 |
| 14 | Cerro Gordo County | 848 |
| 15 | Warren County | 760 |
| 16 | Marshall County | 743 |
| 17 | Lee County | 726 |
| 18 | Muscatine County | 663 |
| 19 | Wapello County | 561 |
| 20 | Tama County | 524 |
| 21 | Jasper County | 464 |
| 22 | Marion County | 456 |
| 23 | Henry County | 358 |
| 24 | Washington County | 357 |
| 25 | Jefferson County | 342 |
| 26 | Plymouth County | 335 |
| 27 | Boone County | 325 |
| 28 | Bremer County | 308 |
| 29 | Buena Vista County | 296 |
| 30 | Benton County | 291 |
| 31 | Poweshiek County | 276 |
| 32 | Sioux County | 275 |
| 33 | Fayette County | 264 |
| 33 | Mahaska County | 264 |
| 34 | Cedar County | 256 |
| 35 | Hamilton County | 252 |
| 36 | Buchanan County | 249 |
| 36 | Page County | 249 |
| 37 | Jackson County | 239 |
| 38 | Floyd County | 237 |
| 39 | Dickinson County | 233 |
| 40 | Clay County | 224 |
| 41 | Madison County | 212 |
| 42 | Carroll County | 211 |
| 43 | Iowa County | 204 |
| 44 | Wright County | 202 |
| 45 | Emmet County | 199 |
| 46 | Hardin County | 197 |
| 47 | Appanoose County | 193 |
| 48 | Harrison County | 188 |
| 49 | Clayton County | 184 |
| 50 | Jones County | 180 |
| 51 | Winneshiek County | 166 |
| 52 | Mills County | 162 |
| 53 | Crawford County | 160 |
| 54 | Louisa County | 159 |
| 55 | Kossuth County | 158 |
| 56 | Winnebago County | 156 |
| 57 | O'Brien County | 150 |
| 58 | Butler County | 146 |
| 59 | Clarke County | 144 |
| 60 | Lyon County | 142 |
| 61 | Montgomery County | 140 |
| 62 | Shelby County | 137 |
| 63 | Delaware County | 135 |
| 64 | Guthrie County | 134 |
| 65 | Franklin County | 133 |
| 66 | Humboldt County | 131 |
| 67 | Grundy County | 130 |
| 68 | Union County | 125 |
| 69 | Cass County | 123 |
| 70 | Allamakee County | 119 |
| 71 | Decatur County | 118 |
| 71 | Fremont County | 118 |
| 72 | Sac County | 116 |
| 73 | Howard County | 115 |
| 74 | Monona County | 112 |
| 75 | Cherokee County | 111 |
| 76 | Palo Alto County | 109 |
| 77 | Calhoun County | 107 |
| 77 | Greene County | 107 |
| 78 | Monroe County | 103 |
| 79 | Keokuk County | 101 |
| 80 | Adair County | 100 |
| 80 | Chickasaw County | 100 |
| 81 | Pocahontas County | 99 |
| 82 | Hancock County | 96 |
| 82 | Lucas County | 96 |
| 83 | Davis County | 86 |
| 83 | Ida County | 86 |
| 83 | Wayne County | 86 |
| 83 | Worth County | 86 |
| 84 | Van Buren County | 83 |
| 85 | Osceola County | 82 |
| 86 | Mitchell County | 79 |
| 87 | Taylor County | 64 |
| 88 | Audubon County | 53 |
| 89 | Ringgold County | 49 |
| 90 | Adams County | 34 |