Ranking of Iowa Counties By Percentage of Voting-age Population that were American Indian and Alaska Native Alone from Census 2020
Updated on August 26, 2023.
According to the data from the United States 2020 decennial Census, as at April 2020, among all Iowa counties, Tama County had the highest percentage of its voting-age population that identified their race as American Indian and Alaska Native Alone (6.96%), followed by Woodbury County (2.09%), and Monona County (1.29%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties based on the percentage of the voting-age population that identified as American Indian and Alaska Native Alone.
You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups in Iowa.
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Related Topics: Iowa Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Iowa Counties By
Percentage of Voting-age Population that were American Indian and Alaska Native Alone
from Census 2020
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| Rank | County | American Indian & Alaska Native % of County Voting-age Pop. |
|---|---|---|
| 1 | Tama County | 6.96 |
| 2 | Woodbury County | 2.09 |
| 3 | Monona County | 1.29 |
| 4 | Crawford County | 0.95 |
| 5 | Marshall County | 0.75 |
| 6 | Wapello County | 0.63 |
| 7 | Allamakee County | 0.61 |
| 7 | Pottawattamie County | 0.61 |
| 8 | Franklin County | 0.57 |
| 8 | Wright County | 0.57 |
| 9 | Buena Vista County | 0.56 |
| 9 | Emmet County | 0.56 |
| 9 | Osceola County | 0.56 |
| 10 | Clarke County | 0.55 |
| 11 | Adams County | 0.52 |
| 12 | Sioux County | 0.51 |
| 13 | Muscatine County | 0.49 |
| 14 | Hamilton County | 0.48 |
| 14 | Louisa County | 0.48 |
| 15 | Webster County | 0.47 |
| 16 | O'Brien County | 0.46 |
| 17 | Polk County | 0.45 |
| 18 | Page County | 0.42 |
| 18 | Shelby County | 0.42 |
| 19 | Howard County | 0.40 |
| 20 | Hancock County | 0.38 |
| 20 | Pocahontas County | 0.38 |
| 21 | Fremont County | 0.37 |
| 22 | Henry County | 0.35 |
| 22 | Scott County | 0.35 |
| 22 | Taylor County | 0.35 |
| 23 | Decatur County | 0.34 |
| 23 | Plymouth County | 0.34 |
| 24 | Black Hawk County | 0.33 |
| 24 | Clay County | 0.33 |
| 24 | Union County | 0.33 |
| 24 | Washington County | 0.33 |
| 25 | Jasper County | 0.32 |
| 25 | Lyon County | 0.32 |
| 26 | Cerro Gordo County | 0.31 |
| 26 | Montgomery County | 0.31 |
| 26 | Poweshiek County | 0.31 |
| 27 | Jefferson County | 0.30 |
| 27 | Jones County | 0.30 |
| 27 | Story County | 0.30 |
| 28 | Calhoun County | 0.28 |
| 28 | Mills County | 0.28 |
| 29 | Cedar County | 0.27 |
| 29 | Clinton County | 0.27 |
| 30 | Iowa County | 0.26 |
| 30 | Lee County | 0.26 |
| 31 | Dubuque County | 0.25 |
| 32 | Adair County | 0.24 |
| 32 | Linn County | 0.24 |
| 33 | Butler County | 0.23 |
| 33 | Cass County | 0.23 |
| 33 | Cherokee County | 0.23 |
| 33 | Clayton County | 0.23 |
| 33 | Delaware County | 0.23 |
| 33 | Hardin County | 0.23 |
| 34 | Boone County | 0.22 |
| 34 | Dallas County | 0.22 |
| 35 | Jackson County | 0.21 |
| 35 | Johnson County | 0.21 |
| 35 | Marion County | 0.21 |
| 36 | Fayette County | 0.20 |
| 36 | Keokuk County | 0.20 |
| 36 | Palo Alto County | 0.20 |
| 36 | Warren County | 0.20 |
| 37 | Guthrie County | 0.19 |
| 37 | Mahaska County | 0.19 |
| 37 | Ringgold County | 0.19 |
| 37 | Wayne County | 0.19 |
| 37 | Winnebago County | 0.19 |
| 38 | Greene County | 0.18 |
| 39 | Appanoose County | 0.17 |
| 39 | Carroll County | 0.17 |
| 39 | Davis County | 0.17 |
| 39 | Des Moines County | 0.17 |
| 40 | Winneshiek County | 0.16 |
| 41 | Chickasaw County | 0.15 |
| 41 | Harrison County | 0.15 |
| 41 | Madison County | 0.15 |
| 42 | Benton County | 0.14 |
| 42 | Dickinson County | 0.14 |
| 42 | Humboldt County | 0.14 |
| 42 | Sac County | 0.14 |
| 42 | Worth County | 0.14 |
| 43 | Bremer County | 0.12 |
| 43 | Floyd County | 0.12 |
| 43 | Mitchell County | 0.12 |
| 43 | Monroe County | 0.12 |
| 44 | Buchanan County | 0.11 |
| 44 | Van Buren County | 0.11 |
| 45 | Kossuth County | 0.09 |
| 46 | Lucas County | 0.08 |
| 47 | Audubon County | 0.07 |
| 47 | Ida County | 0.07 |
| 48 | Grundy County | 0.06 |