Ranking of Iowa Counties By Non-Hispanic Two Or More Races Population in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic Two Or More Races (10.70K), followed by Linn County (5.90K), and Scott County (4.82K).
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 Non-Hispanic Two Or More Races Population in 2018
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| Rank | County | Non-Hispanic Two Or More Races Population |
|---|---|---|
| 1 | Polk County | 10695 |
| 2 | Linn County | 5901 |
| 3 | Scott County | 4823 |
| 4 | Johnson County | 3399 |
| 5 | Black Hawk County | 3121 |
| 6 | Woodbury County | 2392 |
| 7 | Pottawattamie County | 1619 |
| 8 | Story County | 1526 |
| 9 | Dubuque County | 1490 |
| 10 | Dallas County | 1277 |
| 11 | Des Moines County | 990 |
| 12 | Clinton County | 923 |
| 13 | Webster County | 774 |
| 14 | Cerro Gordo County | 691 |
| 15 | Warren County | 631 |
| 16 | Lee County | 586 |
| 17 | Marshall County | 543 |
| 18 | Muscatine County | 522 |
| 19 | Wapello County | 479 |
| 20 | Marion County | 398 |
| 21 | Jasper County | 389 |
| 22 | Tama County | 319 |
| 23 | Henry County | 316 |
| 24 | Jefferson County | 282 |
| 25 | Boone County | 278 |
| 26 | Plymouth County | 271 |
| 27 | Poweshiek County | 263 |
| 28 | Bremer County | 255 |
| 29 | Benton County | 252 |
| 30 | Mahaska County | 245 |
| 31 | Fayette County | 243 |
| 31 | Washington County | 243 |
| 32 | Sioux County | 238 |
| 33 | Jackson County | 232 |
| 34 | Hamilton County | 220 |
| 35 | Cedar County | 218 |
| 36 | Buena Vista County | 214 |
| 37 | Buchanan County | 213 |
| 38 | Page County | 206 |
| 39 | Floyd County | 200 |
| 40 | Carroll County | 197 |
| 41 | Madison County | 196 |
| 42 | Clay County | 186 |
| 43 | Hardin County | 179 |
| 44 | Harrison County | 175 |
| 45 | Mills County | 168 |
| 46 | Appanoose County | 160 |
| 47 | Iowa County | 156 |
| 48 | Jones County | 146 |
| 49 | Kossuth County | 145 |
| 50 | Clayton County | 144 |
| 50 | Dickinson County | 144 |
| 51 | Winneshiek County | 141 |
| 52 | Winnebago County | 135 |
| 53 | Wright County | 133 |
| 54 | Delaware County | 128 |
| 55 | Guthrie County | 126 |
| 56 | Butler County | 122 |
| 57 | Shelby County | 115 |
| 58 | Lyon County | 114 |
| 58 | O'Brien County | 114 |
| 59 | Monona County | 113 |
| 60 | Clarke County | 111 |
| 60 | Montgomery County | 111 |
| 61 | Greene County | 109 |
| 62 | Cherokee County | 108 |
| 63 | Grundy County | 106 |
| 63 | Union County | 106 |
| 64 | Franklin County | 104 |
| 64 | Humboldt County | 104 |
| 65 | Louisa County | 103 |
| 66 | Sac County | 102 |
| 67 | Crawford County | 101 |
| 67 | Decatur County | 101 |
| 68 | Cass County | 99 |
| 69 | Hancock County | 96 |
| 70 | Calhoun County | 91 |
| 70 | Keokuk County | 91 |
| 71 | Palo Alto County | 90 |
| 71 | Pocahontas County | 90 |
| 72 | Chickasaw County | 87 |
| 73 | Davis County | 86 |
| 73 | Van Buren County | 86 |
| 73 | Worth County | 86 |
| 74 | Emmet County | 85 |
| 75 | Allamakee County | 83 |
| 76 | Monroe County | 78 |
| 77 | Howard County | 75 |
| 78 | Fremont County | 74 |
| 79 | Wayne County | 72 |
| 80 | Ida County | 70 |
| 81 | Mitchell County | 68 |
| 82 | Lucas County | 63 |
| 82 | Osceola County | 63 |
| 83 | Adair County | 53 |
| 84 | Taylor County | 50 |
| 85 | Audubon County | 49 |
| 86 | Ringgold County | 40 |
| 87 | Adams County | 27 |
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