Ranking of Iowa Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Some College or Associates Degree in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Iowa (aged 25 years and above) who had an educational attainment of Some College or Associates Degree was 32.50%. Among all Iowa counties, Palo Alto County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Some College or Associates Degree (40.75%), followed by Fremont County (40.12%), and Kossuth County (39.66%).
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.
You can also see similar information for other states and for the United States.
You may also be interested in:
Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Iowa Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Some College or Associates Degree in 2021
Items per page:
25
0 of 0
| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Palo Alto County | 40.75 |
| 2 | Fremont County | 40.12 |
| 3 | Kossuth County | 39.66 |
| 4 | Sac County | 39.20 |
| 5 | Des Moines County | 38.82 |
| 6 | Montgomery County | 38.78 |
| 7 | Emmet County | 38.71 |
| 8 | Butler County | 38.47 |
| 9 | Guthrie County | 38.35 |
| 10 | Madison County | 38.09 |
| 11 | Monona County | 37.96 |
| 12 | Carroll County | 37.91 |
| 13 | Clay County | 37.77 |
| 14 | Worth County | 37.33 |
| 15 | Buchanan County | 37.27 |
| 15 | Winnebago County | 37.27 |
| 16 | Humboldt County | 37.18 |
| 17 | Franklin County | 37.12 |
| 18 | Dickinson County | 37.04 |
| 19 | Hardin County | 36.91 |
| 20 | Lee County | 36.89 |
| 21 | Webster County | 36.71 |
| 22 | Shelby County | 36.56 |
| 22 | Wright County | 36.56 |
| 23 | Mitchell County | 36.47 |
| 24 | Appanoose County | 36.44 |
| 25 | Grundy County | 36.36 |
| 26 | Boone County | 36.29 |
| 27 | Adams County | 36.27 |
| 28 | Cerro Gordo County | 36.24 |
| 29 | Hamilton County | 36.23 |
| 30 | Page County | 35.97 |
| 31 | Pocahontas County | 35.89 |
| 32 | Benton County | 35.65 |
| 33 | Greene County | 35.53 |
| 34 | Union County | 35.37 |
| 35 | Plymouth County | 35.34 |
| 36 | Mills County | 35.19 |
| 37 | Jasper County | 35.17 |
| 38 | Cedar County | 35.04 |
| 39 | Taylor County | 35.01 |
| 40 | Hancock County | 34.96 |
| 41 | Adair County | 34.89 |
| 42 | Iowa County | 34.86 |
| 43 | Calhoun County | 34.85 |
| 44 | Lucas County | 34.76 |
| 45 | Linn County | 34.65 |
| 46 | Pottawattamie County | 34.58 |
| 47 | Cass County | 34.53 |
| 48 | Jones County | 34.48 |
| 49 | Audubon County | 34.22 |
| 50 | Harrison County | 34.01 |
| 51 | Henry County | 34.00 |
| 52 | Warren County | 33.96 |
| 53 | Lyon County | 33.93 |
| 54 | Osceola County | 33.80 |
| 55 | O'Brien County | 33.77 |
| 56 | Ida County | 33.63 |
| 57 | Floyd County | 33.61 |
| 58 | Van Buren County | 33.35 |
| 59 | Ringgold County | 33.32 |
| 60 | Monroe County | 33.25 |
| 61 | Keokuk County | 33.13 |
| 62 | Clinton County | 33.12 |
| 63 | Tama County | 33.07 |
| 64 | Black Hawk County | 32.87 |
| 65 | Fayette County | 32.84 |
| 66 | Howard County | 32.78 |
| 67 | Scott County | 32.48 |
| 68 | Bremer County | 32.42 |
| 69 | Wapello County | 32.33 |
| 70 | Jackson County | 32.18 |
| 71 | Allamakee County | 32.07 |
| 71 | Wayne County | 32.07 |
| 72 | Cherokee County | 32.01 |
| 73 | Louisa County | 31.93 |
| 74 | Woodbury County | 31.82 |
| 75 | Muscatine County | 31.79 |
| 76 | Sioux County | 31.65 |
| 77 | Washington County | 31.44 |
| 78 | Davis County | 31.43 |
| 79 | Mahaska County | 31.39 |
| 79 | Winneshiek County | 31.39 |
| 80 | Delaware County | 30.24 |
| 81 | Chickasaw County | 30.18 |
| 82 | Marshall County | 30.01 |
| 83 | Clayton County | 30.00 |
| 84 | Marion County | 29.64 |
| 85 | Jefferson County | 29.59 |
| 86 | Polk County | 29.55 |
| 87 | Dubuque County | 29.25 |
| 88 | Story County | 28.96 |
| 89 | Clarke County | 28.30 |
| 90 | Crawford County | 27.86 |
| 91 | Dallas County | 26.95 |
| 92 | Johnson County | 26.78 |
| 93 | Buena Vista County | 26.59 |
| 94 | Poweshiek County | 26.03 |
| 95 | Decatur County | 25.81 |