| | Total Population Ages 25 and Over, 2017-2021 | Persons with High School Diploma or More, 2017-2021 | Persons with Bachelor's Degree or More, 2017-2021 | Percent Completed High School Diploma or More, 2017-2021 | Percent Completed Bachelor's Degree or More, 2017-2021 | High School Completion, Percent of U.S. Average, 2017-2021 | College Completion, Percent of U.S. Average, 2017-2021 |
|
| United States | 225,152,317 | 200,101,961 | 75,808,834 | 88.9% | 33.7% | 100.0% | 100.0% |
| Appalachian Region | 18,199,149 | 16,068,410 | 4,740,162 | 88.3% | 26.0% | 99.3% | 77.4% |
| Mississippi | 1,974,105 | 1,690,583 | 458,928 | 85.6% | 23.2% | 96.4% | 69.0% |
| Appalachian Mississippi | 407,851 | 337,858 | 82,114 | 82.8% | 20.1% | 93.2% | 59.8% |
|
| County |
| Alcorn | 24,235 | 19,629 | 4,804 | 81.0% | 19.8% | 91.1% | 58.9% |
| Benton | 5,533 | 4,116 | 514 | 74.4% | 9.3% | 83.7% | 27.6% |
| Calhoun | 9,197 | 7,206 | 1,139 | 78.4% | 12.4% | 88.2% | 36.8% |
| Chickasaw | 11,392 | 8,721 | 1,423 | 76.6% | 12.5% | 86.1% | 37.1% |
| Choctaw | 5,837 | 4,771 | 1,084 | 81.7% | 18.6% | 92.0% | 55.2% |
| Clay | 12,901 | 10,765 | 2,538 | 83.4% | 19.7% | 93.9% | 58.4% |
| Itawamba | 16,084 | 13,438 | 2,364 | 83.5% | 14.7% | 94.0% | 43.7% |
| Kemper | 5,962 | 4,864 | 835 | 81.6% | 14.0% | 91.8% | 41.6% |
| Lee | 55,501 | 47,869 | 15,682 | 86.2% | 28.3% | 97.0% | 83.9% |
| Lowndes | 39,120 | 34,087 | 9,834 | 87.1% | 25.1% | 98.0% | 74.7% |
| Marshall | 23,703 | 19,172 | 3,048 | 80.9% | 12.9% | 91.0% | 38.2% |
| Monroe | 23,964 | 19,960 | 4,004 | 83.3% | 16.7% | 93.7% | 49.6% |
| Montgomery | 6,921 | 5,376 | 1,256 | 77.7% | 18.1% | 87.4% | 53.9% |
| Noxubee | 6,787 | 5,241 | 827 | 77.2% | 12.2% | 86.9% | 36.2% |
| Oktibbeha | 26,840 | 24,382 | 11,828 | 90.8% | 44.1% | 102.2% | 130.9% |
| Panola | 22,193 | 17,789 | 3,533 | 80.2% | 15.9% | 90.2% | 47.3% |
| Pontotoc | 20,420 | 16,095 | 3,512 | 78.8% | 17.2% | 88.7% | 51.1% |
| Prentiss | 16,911 | 14,173 | 2,834 | 83.8% | 16.8% | 94.3% | 49.8% |
| Tippah | 14,418 | 11,229 | 2,135 | 77.9% | 14.8% | 87.6% | 44.0% |
| Tishomingo | 13,385 | 10,562 | 1,714 | 78.9% | 12.8% | 88.8% | 38.0% |
| Union | 18,486 | 14,469 | 3,039 | 78.3% | 16.4% | 88.1% | 48.8% |
| Webster | 6,656 | 5,641 | 1,175 | 84.8% | 17.7% | 95.4% | 52.4% |
| Winston | 12,398 | 10,623 | 1,965 | 85.7% | 15.8% | 96.4% | 47.1% |
| Yalobusha | 9,007 | 7,680 | 1,027 | 85.3% | 11.4% | 95.9% | 33.9% |