Ranking of Iowa Counties By Two Or More Races Population in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Polk County had the highest number of people who identified their race as Two Or More Races (10.63K), followed by Linn County (5.54K), and Scott County (5.00K).
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.
You may also be interested in:
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 2015
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| Rank | County | Two Or More Races Population |
|---|---|---|
| 1 | Polk County | 10630 |
| 2 | Linn County | 5535 |
| 3 | Scott County | 4995 |
| 4 | Johnson County | 3391 |
| 5 | Black Hawk County | 3155 |
| 6 | Woodbury County | 2822 |
| 7 | Story County | 1753 |
| 8 | Pottawattamie County | 1683 |
| 9 | Dubuque County | 1462 |
| 10 | Dallas County | 1169 |
| 11 | Des Moines County | 1043 |
| 12 | Clinton County | 949 |
| 13 | Webster County | 749 |
| 14 | Marshall County | 708 |
| 15 | Cerro Gordo County | 701 |
| 16 | Lee County | 662 |
| 17 | Muscatine County | 591 |
| 18 | Warren County | 586 |
| 19 | Wapello County | 490 |
| 20 | Tama County | 436 |
| 21 | Jasper County | 404 |
| 22 | Marion County | 354 |
| 23 | Henry County | 328 |
| 24 | Boone County | 308 |
| 25 | Jefferson County | 298 |
| 26 | Bremer County | 276 |
| 27 | Benton County | 272 |
| 28 | Sioux County | 271 |
| 29 | Plymouth County | 270 |
| 29 | Washington County | 270 |
| 30 | Poweshiek County | 266 |
| 31 | Buena Vista County | 264 |
| 32 | Mahaska County | 236 |
| 33 | Fayette County | 229 |
| 34 | Page County | 222 |
| 35 | Buchanan County | 214 |
| 36 | Hardin County | 209 |
| 37 | Jackson County | 206 |
| 38 | Cedar County | 202 |
| 39 | Hamilton County | 190 |
| 40 | Carroll County | 188 |
| 41 | Mills County | 187 |
| 42 | Emmet County | 186 |
| 42 | Floyd County | 186 |
| 43 | Clay County | 178 |
| 44 | Iowa County | 165 |
| 44 | Madison County | 165 |
| 45 | Winneshiek County | 164 |
| 46 | Dickinson County | 163 |
| 47 | Wright County | 158 |
| 48 | Jones County | 153 |
| 49 | Appanoose County | 151 |
| 50 | Clayton County | 147 |
| 51 | Harrison County | 144 |
| 52 | Crawford County | 141 |
| 53 | Butler County | 140 |
| 54 | Louisa County | 135 |
| 55 | Kossuth County | 131 |
| 56 | Winnebago County | 129 |
| 57 | Delaware County | 126 |
| 58 | O'Brien County | 122 |
| 59 | Union County | 121 |
| 60 | Franklin County | 120 |
| 61 | Cherokee County | 119 |
| 62 | Grundy County | 118 |
| 63 | Montgomery County | 114 |
| 64 | Guthrie County | 112 |
| 64 | Monona County | 112 |
| 65 | Clarke County | 108 |
| 66 | Decatur County | 104 |
| 67 | Humboldt County | 103 |
| 68 | Sac County | 101 |
| 68 | Shelby County | 101 |
| 69 | Greene County | 100 |
| 70 | Hancock County | 97 |
| 71 | Pocahontas County | 96 |
| 72 | Palo Alto County | 95 |
| 73 | Allamakee County | 93 |
| 74 | Calhoun County | 88 |
| 74 | Cass County | 88 |
| 74 | Davis County | 88 |
| 75 | Worth County | 87 |
| 76 | Monroe County | 82 |
| 77 | Lyon County | 81 |
| 78 | Chickasaw County | 79 |
| 79 | Keokuk County | 78 |
| 80 | Howard County | 77 |
| 81 | Fremont County | 71 |
| 82 | Mitchell County | 68 |
| 83 | Osceola County | 67 |
| 84 | Lucas County | 64 |
| 85 | Ida County | 62 |
| 85 | Van Buren County | 62 |
| 86 | Adair County | 59 |
| 87 | Wayne County | 57 |
| 88 | Taylor County | 53 |
| 89 | Audubon County | 45 |
| 90 | Ringgold County | 40 |
| 91 | Adams County | 24 |