Ranking of Kansas 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 Kansas (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 25.67%. Among all Kansas counties, Atchison County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (42.43%), followed by Washington County (41.19%), and Jackson County (40.11%).
The chart below shows the top 10 Kansas counties, and the table below shows the ranking of all Kansas 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: Kansas ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Kansas 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 | Atchison County | 42.43 |
| 2 | Washington County | 41.19 |
| 3 | Jackson County | 40.11 |
| 4 | Hamilton County | 39.88 |
| 5 | Smith County | 39.33 |
| 6 | Marshall County | 39.30 |
| 7 | Gove County | 39.28 |
| 8 | Jefferson County | 39.21 |
| 9 | Osage County | 39.04 |
| 10 | Linn County | 38.72 |
| 11 | Woodson County | 38.43 |
| 12 | Stanton County | 38.19 |
| 13 | Harper County | 38.18 |
| 14 | Brown County | 38.01 |
| 15 | Elk County | 37.77 |
| 16 | Anderson County | 37.67 |
| 17 | Franklin County | 37.52 |
| 18 | Wilson County | 37.40 |
| 19 | Nemaha County | 37.29 |
| 20 | Wabaunsee County | 37.25 |
| 21 | Jewell County | 37.20 |
| 22 | Greenwood County | 36.54 |
| 23 | Allen County | 36.18 |
| 24 | Clay County | 36.07 |
| 25 | Morton County | 35.95 |
| 26 | Kearny County | 35.69 |
| 27 | Graham County | 35.48 |
| 28 | Morris County | 35.35 |
| 29 | Sumner County | 34.95 |
| 30 | Ellsworth County | 34.50 |
| 31 | Phillips County | 34.38 |
| 32 | Barber County | 34.36 |
| 33 | Doniphan County | 34.33 |
| 34 | Osborne County | 34.21 |
| 35 | Sheridan County | 33.86 |
| 36 | Edwards County | 33.80 |
| 37 | Cheyenne County | 33.51 |
| 38 | Chautauqua County | 33.46 |
| 39 | Decatur County | 33.22 |
| 40 | Ottawa County | 33.21 |
| 41 | Rooks County | 33.18 |
| 42 | Ness County | 33.10 |
| 43 | Pawnee County | 32.99 |
| 44 | Coffey County | 32.53 |
| 45 | Wyandotte County | 32.29 |
| 46 | Comanche County | 32.20 |
| 47 | Rush County | 32.09 |
| 48 | Cherokee County | 32.05 |
| 49 | Chase County | 31.97 |
| 50 | Montgomery County | 31.95 |
| 51 | Cloud County | 31.73 |
| 52 | Lyon County | 31.64 |
| 53 | Wichita County | 31.57 |
| 54 | Dickinson County | 31.56 |
| 55 | Bourbon County | 31.55 |
| 56 | Kingman County | 31.41 |
| 56 | Republic County | 31.41 |
| 57 | Labette County | 31.17 |
| 58 | Rice County | 31.10 |
| 59 | Logan County | 31.08 |
| 60 | Seward County | 31.04 |
| 61 | Stafford County | 30.94 |
| 62 | Sherman County | 30.91 |
| 63 | Norton County | 30.80 |
| 64 | Barton County | 30.77 |
| 65 | Neosho County | 30.52 |
| 66 | Shawnee County | 30.36 |
| 67 | Reno County | 30.11 |
| 68 | Miami County | 30.08 |
| 69 | Marion County | 30.07 |
| 70 | Cowley County | 29.95 |
| 71 | Saline County | 29.54 |
| 72 | Trego County | 29.43 |
| 73 | Pottawatomie County | 29.25 |
| 74 | Clark County | 29.18 |
| 75 | Crawford County | 29.05 |
| 76 | Kiowa County | 29.02 |
| 77 | Russell County | 28.62 |
| 78 | Lane County | 28.43 |
| 79 | Wallace County | 28.04 |
| 80 | Leavenworth County | 28.02 |
| 81 | Scott County | 27.75 |
| 82 | Rawlins County | 27.60 |
| 83 | Ellis County | 27.46 |
| 84 | Pratt County | 27.09 |
| 85 | Stevens County | 26.86 |
| 86 | Butler County | 26.58 |
| 87 | Sedgwick County | 26.32 |
| 88 | Lincoln County | 26.19 |
| 89 | McPherson County | 25.99 |
| 90 | Mitchell County | 25.70 |
| 91 | Geary County | 24.79 |
| 92 | Hodgeman County | 24.39 |
| 93 | Ford County | 24.07 |
| 94 | Finney County | 24.02 |
| 95 | Grant County | 23.74 |
| 96 | Greeley County | 23.48 |
| 97 | Haskell County | 23.21 |
| 98 | Harvey County | 23.18 |
| 99 | Thomas County | 23.17 |
| 100 | Meade County | 22.98 |
| 101 | Gray County | 22.90 |
| 102 | Douglas County | 18.68 |
| 103 | Riley County | 16.09 |
| 104 | Johnson County | 13.77 |