Ranking of Indiana Counties By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent 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 Indiana (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 33.01%. Among all Indiana counties, Switzerland County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (51.31%), followed by Blackford County (49.46%), and Jay County (47.13%).
The chart below shows the top 10 Indiana counties, and the table below shows the ranking of all Indiana counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Indiana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Indiana Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Switzerland County | 51.31 |
| 2 | Blackford County | 49.46 |
| 3 | Jay County | 47.13 |
| 4 | Crawford County | 46.92 |
| 5 | Perry County | 45.79 |
| 6 | Newton County | 45.56 |
| 7 | Pulaski County | 45.54 |
| 8 | Rush County | 45.44 |
| 9 | Clinton County | 45.36 |
| 10 | Pike County | 45.13 |
| 11 | Jasper County | 44.91 |
| 12 | Starke County | 44.81 |
| 13 | Orange County | 44.73 |
| 14 | Decatur County | 44.49 |
| 15 | Fayette County | 44.37 |
| 16 | Adams County | 44.31 |
| 17 | Shelby County | 44.01 |
| 18 | Owen County | 43.97 |
| 19 | Fountain County | 43.84 |
| 20 | DeKalb County | 43.46 |
| 21 | Warren County | 43.11 |
| 22 | Martin County | 43.10 |
| 23 | Wells County | 42.92 |
| 24 | Henry County | 42.71 |
| 25 | Ohio County | 42.57 |
| 26 | Jennings County | 42.55 |
| 27 | Wabash County | 42.52 |
| 28 | Sullivan County | 42.48 |
| 29 | Miami County | 42.43 |
| 29 | Washington County | 42.43 |
| 30 | Carroll County | 42.42 |
| 31 | Huntington County | 42.19 |
| 32 | Harrison County | 42.07 |
| 33 | Montgomery County | 41.95 |
| 34 | Gibson County | 41.82 |
| 35 | Randolph County | 41.67 |
| 36 | Scott County | 41.63 |
| 37 | Clay County | 41.58 |
| 38 | Jackson County | 41.56 |
| 39 | Cass County | 41.35 |
| 40 | Spencer County | 41.22 |
| 41 | Vermillion County | 41.18 |
| 42 | Putnam County | 41.07 |
| 43 | Ripley County | 41.00 |
| 44 | Jefferson County | 40.81 |
| 45 | Tipton County | 40.74 |
| 46 | Franklin County | 40.33 |
| 47 | Benton County | 40.23 |
| 48 | Morgan County | 39.95 |
| 49 | Madison County | 39.87 |
| 50 | LaPorte County | 39.79 |
| 50 | White County | 39.79 |
| 51 | Fulton County | 39.77 |
| 52 | Steuben County | 39.58 |
| 53 | Noble County | 39.43 |
| 54 | Greene County | 39.34 |
| 55 | Union County | 39.20 |
| 56 | Parke County | 38.77 |
| 57 | Dearborn County | 38.23 |
| 58 | Lawrence County | 37.98 |
| 59 | Dubois County | 37.83 |
| 60 | Grant County | 37.70 |
| 61 | Howard County | 37.56 |
| 62 | Marshall County | 37.14 |
| 63 | Wayne County | 36.69 |
| 64 | Whitley County | 36.61 |
| 65 | Posey County | 36.48 |
| 66 | Knox County | 35.45 |
| 67 | Lake County | 35.41 |
| 68 | Clark County | 35.01 |
| 69 | Kosciusko County | 34.88 |
| 70 | Elkhart County | 34.57 |
| 71 | Porter County | 34.42 |
| 72 | Brown County | 34.22 |
| 73 | Daviess County | 33.67 |
| 74 | Delaware County | 33.60 |
| 75 | Vigo County | 33.57 |
| 76 | Vanderburgh County | 31.63 |
| 77 | Johnson County | 30.99 |
| 78 | Floyd County | 30.80 |
| 79 | Bartholomew County | 30.36 |
| 80 | Hancock County | 30.12 |
| 81 | St. Joseph County | 29.59 |
| 82 | LaGrange County | 28.66 |
| 83 | Warrick County | 28.26 |
| 84 | Allen County | 28.22 |
| 85 | Marion County | 27.53 |
| 86 | Tippecanoe County | 26.92 |
| 87 | Hendricks County | 26.58 |
| 88 | Monroe County | 20.96 |
| 89 | Boone County | 18.97 |
| 90 | Hamilton County | 14.42 |