Ranking of Missouri 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 Missouri (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 30.48%. Among all Missouri counties, Carter County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (52.09%), followed by Pike County (51.77%), and Worth County (49.29%).
The chart below shows the top 10 Missouri counties, and the table below shows the ranking of all Missouri 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: Missouri ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Missouri 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 | Carter County | 52.09 |
| 2 | Pike County | 51.77 |
| 3 | Worth County | 49.29 |
| 4 | Ralls County | 49.08 |
| 5 | Schuyler County | 48.71 |
| 6 | Monroe County | 48.70 |
| 7 | Dallas County | 48.49 |
| 8 | Bates County | 48.17 |
| 9 | Sullivan County | 48.11 |
| 10 | Bollinger County | 47.91 |
| 11 | Hickory County | 47.89 |
| 12 | Mississippi County | 46.99 |
| 13 | Holt County | 46.65 |
| 14 | Chariton County | 46.50 |
| 15 | Shannon County | 46.43 |
| 16 | DeKalb County | 46.34 |
| 17 | Linn County | 46.02 |
| 18 | Pemiscot County | 45.81 |
| 19 | Harrison County | 45.62 |
| 20 | Ray County | 45.61 |
| 21 | Macon County | 45.51 |
| 22 | New Madrid County | 45.45 |
| 23 | Knox County | 45.42 |
| 24 | Lewis County | 45.23 |
| 25 | Caldwell County | 44.90 |
| 26 | Clark County | 44.89 |
| 27 | Carroll County | 44.71 |
| 28 | Oregon County | 43.84 |
| 29 | Montgomery County | 43.78 |
| 30 | Dade County | 43.68 |
| 31 | McDonald County | 43.50 |
| 32 | Stoddard County | 43.46 |
| 33 | Atchison County | 43.43 |
| 34 | Lafayette County | 43.42 |
| 35 | Clinton County | 43.25 |
| 36 | Wayne County | 42.97 |
| 37 | Wright County | 42.83 |
| 38 | Mercer County | 42.72 |
| 39 | Henry County | 42.63 |
| 40 | Audrain County | 42.51 |
| 41 | Moniteau County | 42.37 |
| 42 | Laclede County | 42.35 |
| 43 | Shelby County | 42.30 |
| 44 | Gentry County | 41.99 |
| 45 | Osage County | 41.91 |
| 46 | St. Clair County | 41.81 |
| 47 | Madison County | 41.64 |
| 48 | Livingston County | 41.40 |
| 49 | Barry County | 41.36 |
| 50 | Dent County | 41.33 |
| 51 | Putnam County | 41.05 |
| 52 | Scotland County | 40.97 |
| 53 | Daviess County | 40.86 |
| 54 | Ozark County | 40.82 |
| 55 | Perry County | 40.76 |
| 55 | Ripley County | 40.76 |
| 56 | Lincoln County | 40.71 |
| 57 | Barton County | 40.66 |
| 58 | Dunklin County | 40.60 |
| 59 | Benton County | 40.52 |
| 60 | Douglas County | 40.51 |
| 61 | Washington County | 40.44 |
| 62 | Morgan County | 40.27 |
| 63 | Vernon County | 40.22 |
| 64 | Texas County | 40.19 |
| 65 | Gasconade County | 40.04 |
| 66 | Butler County | 39.79 |
| 67 | Iron County | 39.28 |
| 68 | Cedar County | 39.27 |
| 69 | Howell County | 39.23 |
| 69 | Miller County | 39.23 |
| 70 | Lawrence County | 39.19 |
| 71 | Crawford County | 39.13 |
| 72 | Maries County | 39.09 |
| 73 | Nodaway County | 38.61 |
| 74 | Webster County | 38.56 |
| 75 | Randolph County | 38.41 |
| 76 | Saline County | 38.35 |
| 77 | Buchanan County | 38.21 |
| 78 | Cooper County | 38.15 |
| 79 | Reynolds County | 38.01 |
| 80 | St. Francois County | 37.97 |
| 81 | Scott County | 37.91 |
| 82 | Warren County | 37.88 |
| 83 | Andrew County | 37.65 |
| 84 | Ste. Genevieve County | 37.49 |
| 85 | Polk County | 37.44 |
| 86 | Grundy County | 37.16 |
| 87 | Camden County | 36.61 |
| 88 | Marion County | 36.58 |
| 89 | Callaway County | 36.22 |
| 90 | Pettis County | 35.22 |
| 91 | Newton County | 35.04 |
| 92 | Taney County | 34.39 |
| 93 | Howard County | 34.18 |
| 94 | Stone County | 33.87 |
| 95 | Jasper County | 33.77 |
| 96 | Franklin County | 33.72 |
| 97 | Adair County | 33.67 |
| 98 | Cass County | 32.39 |
| 99 | Cape Girardeau County | 32.16 |
| 100 | Jefferson County | 31.79 |
| 101 | Johnson County | 31.12 |
| 102 | Phelps County | 30.08 |
| 103 | Pulaski County | 29.94 |
| 104 | Cole County | 29.68 |
| 105 | Christian County | 28.84 |
| 106 | Greene County | 28.07 |
| 107 | Jackson County | 28.06 |
| 108 | Clay County | 27.08 |
| 109 | St. Louis city | 24.43 |
| 110 | St. Charles County | 23.11 |
| 111 | Platte County | 21.82 |
| 112 | St. Louis County | 21.10 |
| 113 | Boone County | 20.86 |