Ranking of Missouri Counties By Percentage of Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Updated on September 5, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Missouri Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 8.00%. Among all Missouri counties, Reynolds County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (21.34%), followed by Morgan County (21.30%), and Scotland County (20.84%).
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, and for other races and ethnicities.
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 Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Reynolds County | 21.34 |
| 2 | Morgan County | 21.30 |
| 3 | Scotland County | 20.84 |
| 4 | McDonald County | 19.56 |
| 5 | Washington County | 19.34 |
| 6 | Pemiscot County | 18.97 |
| 7 | Wayne County | 18.92 |
| 8 | Crawford County | 18.86 |
| 9 | New Madrid County | 18.84 |
| 10 | Stoddard County | 18.58 |
| 11 | Ripley County | 18.00 |
| 12 | Dunklin County | 17.83 |
| 13 | Mississippi County | 17.71 |
| 14 | Ozark County | 17.55 |
| 15 | Wright County | 17.25 |
| 16 | Iron County | 17.24 |
| 17 | Douglas County | 16.77 |
| 18 | Oregon County | 15.99 |
| 19 | Grundy County | 15.94 |
| 20 | Dent County | 15.60 |
| 21 | Butler County | 15.32 |
| 22 | Texas County | 14.94 |
| 23 | Bollinger County | 14.67 |
| 24 | Shannon County | 14.66 |
| 25 | Gentry County | 14.23 |
| 26 | Lewis County | 14.17 |
| 27 | Barry County | 13.97 |
| 28 | Scott County | 13.94 |
| 29 | Montgomery County | 13.85 |
| 30 | Maries County | 13.84 |
| 31 | Perry County | 13.80 |
| 32 | Carter County | 13.75 |
| 33 | Dallas County | 13.64 |
| 33 | Howell County | 13.64 |
| 34 | Clark County | 13.57 |
| 35 | St. Francois County | 13.55 |
| 36 | Lawrence County | 13.53 |
| 37 | Knox County | 13.42 |
| 38 | Benton County | 13.28 |
| 39 | Mercer County | 13.24 |
| 40 | Moniteau County | 13.21 |
| 41 | Cedar County | 13.17 |
| 42 | Laclede County | 13.09 |
| 43 | Daviess County | 12.76 |
| 44 | St. Clair County | 12.42 |
| 45 | Pike County | 12.38 |
| 46 | Webster County | 12.31 |
| 47 | Gasconade County | 11.86 |
| 47 | Madison County | 11.86 |
| 48 | Audrain County | 11.79 |
| 49 | Barton County | 11.69 |
| 50 | Shelby County | 11.58 |
| 51 | Henry County | 11.32 |
| 52 | Warren County | 11.16 |
| 53 | Bates County | 10.90 |
| 54 | Howard County | 10.87 |
| 55 | Hickory County | 10.86 |
| 56 | Caldwell County | 10.81 |
| 57 | Vernon County | 10.74 |
| 58 | Callaway County | 10.66 |
| 59 | Dade County | 10.57 |
| 60 | Saline County | 10.45 |
| 61 | Schuyler County | 10.42 |
| 62 | Livingston County | 10.39 |
| 63 | Marion County | 10.29 |
| 64 | Jasper County | 10.28 |
| 65 | Polk County | 10.24 |
| 66 | Randolph County | 10.22 |
| 67 | Ralls County | 9.90 |
| 68 | Taney County | 9.87 |
| 69 | Miller County | 9.86 |
| 70 | Franklin County | 9.81 |
| 71 | Ray County | 9.71 |
| 72 | Linn County | 9.66 |
| 73 | Pettis County | 9.63 |
| 74 | Cooper County | 9.60 |
| 75 | Carroll County | 9.58 |
| 76 | Stone County | 9.52 |
| 77 | Sullivan County | 9.44 |
| 78 | Lafayette County | 9.38 |
| 79 | Macon County | 9.36 |
| 80 | Phelps County | 9.31 |
| 81 | Atchison County | 9.30 |
| 82 | Jefferson County | 9.26 |
| 83 | Newton County | 9.13 |
| 84 | Lincoln County | 8.93 |
| 85 | Worth County | 8.77 |
| 86 | Buchanan County | 8.54 |
| 87 | Camden County | 8.49 |
| 88 | Chariton County | 8.43 |
| 89 | Adair County | 8.39 |
| 90 | Ste. Genevieve County | 8.08 |
| 91 | Osage County | 7.95 |
| 92 | Monroe County | 7.79 |
| 93 | Cape Girardeau County | 7.71 |
| 93 | Harrison County | 7.71 |
| 94 | DeKalb County | 7.40 |
| 95 | Christian County | 6.67 |
| 96 | Greene County | 6.50 |
| 97 | Andrew County | 6.42 |
| 98 | Johnson County | 6.41 |
| 99 | Clinton County | 6.29 |
| 100 | Pulaski County | 6.14 |
| 101 | Cole County | 5.98 |
| 102 | Cass County | 5.93 |
| 102 | Jackson County | 5.93 |
| 103 | Holt County | 5.55 |
| 104 | Nodaway County | 5.50 |
| 105 | St. Louis city | 5.19 |
| 106 | Clay County | 5.17 |
| 107 | Putnam County | 5.06 |
| 108 | Boone County | 4.34 |
| 109 | St. Charles County | 4.30 |
| 110 | St. Louis County | 4.02 |
| 111 | Platte County | 2.57 |