Ranking of Alabama Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Alabama (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 12.60%. Among all Alabama counties, Barbour County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (24.33%), followed by Bullock County (22.39%), and DeKalb County (21.79%).
The chart below shows the top 10 Alabama counties, and the table below shows the ranking of all Alabama 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: Alabama ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Alabama Counties By Percentage of 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 | Barbour County | 24.33 |
| 2 | Bullock County | 22.39 |
| 3 | DeKalb County | 21.79 |
| 4 | Perry County | 21.37 |
| 5 | Wilcox County | 20.76 |
| 6 | Winston County | 20.69 |
| 7 | Franklin County | 20.50 |
| 8 | Cherokee County | 20.18 |
| 9 | Randolph County | 19.72 |
| 10 | Bibb County | 19.46 |
| 11 | Choctaw County | 19.42 |
| 12 | Crenshaw County | 18.77 |
| 13 | Hale County | 18.73 |
| 14 | Henry County | 18.68 |
| 15 | Marion County | 18.67 |
| 16 | Tallapoosa County | 18.44 |
| 17 | Escambia County | 18.27 |
| 18 | Chilton County | 18.24 |
| 19 | Clarke County | 17.78 |
| 20 | Walker County | 17.71 |
| 21 | Monroe County | 17.60 |
| 22 | Jackson County | 17.57 |
| 23 | Lamar County | 17.54 |
| 24 | Geneva County | 17.51 |
| 25 | Chambers County | 17.22 |
| 26 | Talladega County | 17.11 |
| 27 | Clay County | 16.99 |
| 28 | Fayette County | 16.97 |
| 29 | Cleburne County | 16.94 |
| 30 | Lawrence County | 16.77 |
| 31 | Pickens County | 16.73 |
| 32 | Macon County | 16.49 |
| 33 | Marshall County | 16.48 |
| 34 | Blount County | 16.35 |
| 35 | Cullman County | 15.79 |
| 36 | Greene County | 15.56 |
| 37 | Morgan County | 15.32 |
| 38 | Lowndes County | 15.26 |
| 39 | Dale County | 15.16 |
| 40 | Coosa County | 14.91 |
| 41 | Covington County | 14.82 |
| 42 | Calhoun County | 14.79 |
| 43 | Russell County | 14.75 |
| 44 | Butler County | 14.44 |
| 45 | Dallas County | 14.09 |
| 46 | St. Clair County | 13.99 |
| 47 | Washington County | 13.83 |
| 48 | Etowah County | 13.80 |
| 49 | Coffee County | 13.64 |
| 50 | Limestone County | 13.48 |
| 51 | Marengo County | 13.42 |
| 52 | Colbert County | 13.20 |
| 53 | Sumter County | 12.73 |
| 54 | Pike County | 12.71 |
| 55 | Conecuh County | 12.43 |
| 56 | Elmore County | 12.36 |
| 57 | Montgomery County | 12.27 |
| 58 | Houston County | 12.24 |
| 59 | Mobile County | 12.14 |
| 60 | Lauderdale County | 11.31 |
| 61 | Autauga County | 10.42 |
| 62 | Tuscaloosa County | 10.36 |
| 63 | Jefferson County | 9.04 |
| 64 | Baldwin County | 8.99 |
| 65 | Lee County | 8.63 |
| 66 | Madison County | 8.03 |
| 67 | Shelby County | 6.38 |