Ranking of Mississippi 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 Mississippi (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 14.36%. Among all Mississippi counties, Issaquena County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (40.47%), followed by Benton County (25.61%), and Quitman County (25.40%).
The chart below shows the top 10 Mississippi counties, and the table below shows the ranking of all Mississippi 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: Mississippi ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Mississippi 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 | Issaquena County | 40.47 |
| 2 | Benton County | 25.61 |
| 3 | Quitman County | 25.40 |
| 4 | Yazoo County | 24.03 |
| 5 | Sunflower County | 23.98 |
| 6 | Humphreys County | 23.70 |
| 7 | Chickasaw County | 23.45 |
| 8 | Noxubee County | 22.78 |
| 9 | Greene County | 22.56 |
| 10 | Holmes County | 22.42 |
| 11 | Montgomery County | 22.32 |
| 12 | Scott County | 22.18 |
| 13 | Tippah County | 22.12 |
| 14 | Tallahatchie County | 21.90 |
| 15 | Union County | 21.73 |
| 16 | Calhoun County | 21.65 |
| 17 | Jefferson County | 21.54 |
| 18 | Pontotoc County | 21.18 |
| 19 | Tishomingo County | 21.09 |
| 20 | Simpson County | 20.58 |
| 21 | Adams County | 20.32 |
| 22 | Sharkey County | 20.18 |
| 23 | Panola County | 19.84 |
| 24 | Bolivar County | 19.61 |
| 25 | Carroll County | 19.30 |
| 26 | Marshall County | 19.12 |
| 27 | Wayne County | 19.04 |
| 28 | Alcorn County | 19.01 |
| 28 | Washington County | 19.01 |
| 29 | Leake County | 18.91 |
| 30 | Neshoba County | 18.89 |
| 31 | Attala County | 18.82 |
| 32 | Coahoma County | 18.79 |
| 32 | Smith County | 18.79 |
| 33 | Wilkinson County | 18.66 |
| 34 | Kemper County | 18.42 |
| 35 | Claiborne County | 18.39 |
| 36 | Lawrence County | 18.28 |
| 37 | Choctaw County | 18.26 |
| 38 | Walthall County | 18.23 |
| 39 | Grenada County | 17.95 |
| 40 | Leflore County | 17.46 |
| 41 | Monroe County | 16.71 |
| 42 | Pike County | 16.65 |
| 43 | Clay County | 16.56 |
| 44 | Itawamba County | 16.45 |
| 45 | Marion County | 16.36 |
| 46 | Franklin County | 16.32 |
| 47 | Copiah County | 16.21 |
| 48 | Prentiss County | 16.19 |
| 49 | Tunica County | 15.95 |
| 50 | Newton County | 15.87 |
| 51 | Covington County | 15.80 |
| 52 | Jefferson Davis County | 15.62 |
| 53 | Stone County | 15.58 |
| 54 | Lauderdale County | 15.40 |
| 55 | Perry County | 15.32 |
| 56 | Webster County | 15.25 |
| 57 | George County | 15.18 |
| 58 | Clarke County | 14.83 |
| 59 | Yalobusha County | 14.73 |
| 60 | Amite County | 14.60 |
| 61 | Lincoln County | 14.58 |
| 62 | Winston County | 14.32 |
| 63 | Tate County | 14.29 |
| 64 | Pearl River County | 14.15 |
| 65 | Jones County | 13.95 |
| 66 | Lee County | 13.75 |
| 67 | Jasper County | 13.06 |
| 68 | Lowndes County | 12.87 |
| 69 | Warren County | 12.03 |
| 70 | Hinds County | 11.89 |
| 71 | Jackson County | 11.28 |
| 72 | Hancock County | 11.10 |
| 73 | Forrest County | 11.00 |
| 74 | Harrison County | 10.97 |
| 75 | Lamar County | 10.40 |
| 76 | Rankin County | 10.20 |
| 77 | Oktibbeha County | 9.16 |
| 78 | DeSoto County | 8.90 |
| 79 | Lafayette County | 8.81 |
| 80 | Madison County | 7.79 |