Ranking of Iowa Counties By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Iowa American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 16.07%. Among all Iowa counties, Audubon County had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (100.00%), followed by Chickasaw County (100.00%), and Franklin County (100.00%).
The chart below shows the top 10 Iowa counties, and the table below shows the ranking of all Iowa counties.
You can see similar information for other educational attainments, and for other races and ethnicities.
You can also see similar information for other states and for the United States.
| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Audubon County | 100.00 |
| 1 | Chickasaw County | 100.00 |
| 1 | Franklin County | 100.00 |
| 1 | Greene County | 100.00 |
| 1 | Jackson County | 100.00 |
| 1 | Madison County | 100.00 |
| 2 | Wapello County | 78.05 |
| 3 | Dallas County | 77.78 |
| 4 | Butler County | 68.18 |
| 5 | Dickinson County | 64.29 |
| 6 | Keokuk County | 62.50 |
| 7 | Sioux County | 57.66 |
| 8 | Lyon County | 51.61 |
| 9 | Pottawattamie County | 41.01 |
| 10 | Cerro Gordo County | 40.48 |
| 11 | Jones County | 37.84 |
| 12 | Marshall County | 36.75 |
| 13 | Buchanan County | 36.36 |
| 14 | Hancock County | 35.71 |
| 15 | Floyd County | 34.78 |
| 16 | Cedar County | 33.33 |
| 17 | Crawford County | 31.25 |
| 18 | Louisa County | 28.57 |
| 19 | Hardin County | 26.77 |
| 20 | Scott County | 24.58 |
| 21 | Webster County | 22.35 |
| 22 | Allamakee County | 21.82 |
| 23 | Guthrie County | 21.43 |
| 24 | Linn County | 20.57 |
| 25 | Carroll County | 20.41 |
| 26 | Winnebago County | 20.00 |
| 27 | Fayette County | 19.36 |
| 28 | Osceola County | 16.67 |
| 29 | O'Brien County | 16.00 |
| 30 | Warren County | 14.29 |
| 31 | Polk County | 12.02 |
| 32 | Woodbury County | 11.54 |
| 33 | Dubuque County | 8.90 |
| 34 | Tama County | 8.88 |
| 35 | Story County | 6.14 |
| 36 | Jasper County | 5.88 |
| 37 | Black Hawk County | 5.33 |
| 38 | Johnson County | 3.35 |
| 39 | Muscatine County | 1.45 |
| 40 | Monona County | 1.28 |
| 41 | Adams County | 0.00 |
| 41 | Appanoose County | 0.00 |
| 41 | Benton County | 0.00 |
| 41 | Boone County | 0.00 |
| 41 | Bremer County | 0.00 |
| 41 | Buena Vista County | 0.00 |
| 41 | Calhoun County | 0.00 |
| 41 | Cass County | 0.00 |
| 41 | Clarke County | 0.00 |
| 41 | Clay County | 0.00 |
| 41 | Clayton County | 0.00 |
| 41 | Clinton County | 0.00 |
| 41 | Davis County | 0.00 |
| 41 | Decatur County | 0.00 |
| 41 | Delaware County | 0.00 |
| 41 | Des Moines County | 0.00 |
| 41 | Emmet County | 0.00 |
| 41 | Fremont County | 0.00 |
| 41 | Grundy County | 0.00 |
| 41 | Hamilton County | 0.00 |
| 41 | Harrison County | 0.00 |
| 41 | Henry County | 0.00 |
| 41 | Howard County | 0.00 |
| 41 | Humboldt County | 0.00 |
| 41 | Ida County | 0.00 |
| 41 | Iowa County | 0.00 |
| 41 | Jefferson County | 0.00 |
| 41 | Kossuth County | 0.00 |
| 41 | Lee County | 0.00 |
| 41 | Lucas County | 0.00 |
| 41 | Mahaska County | 0.00 |
| 41 | Marion County | 0.00 |
| 41 | Mills County | 0.00 |
| 41 | Mitchell County | 0.00 |
| 41 | Montgomery County | 0.00 |
| 41 | Page County | 0.00 |
| 41 | Palo Alto County | 0.00 |
| 41 | Plymouth County | 0.00 |
| 41 | Pocahontas County | 0.00 |
| 41 | Poweshiek County | 0.00 |
| 41 | Shelby County | 0.00 |
| 41 | Van Buren County | 0.00 |
| 41 | Washington County | 0.00 |
| 41 | Winneshiek County | 0.00 |
| 41 | Worth County | 0.00 |
| 41 | Wright County | 0.00 |