| Rank | Median Age ▲ | School District / Population |
| 1. | 29.30 | Monongalia School District / 96,417 |
| 2. | 37.60 | Berkeley County School District / 104,410 |
| 3. | 38.80 | Gilmer County School District / 8,623 |
| 4. | 39.00 | Cabell County School District / 96,240 |
| 5. | 39.20 | Jefferson County School District / 53,545 |
| 6. | 40.70 | Raleigh County School District / 78,852 |
| 7. | 41.20 | Putnam County School District / 55,660 |
| 7. | 41.20 | Boone County School District / 24,617 |
| 9. | 41.30 | Lincoln County School District / 21,714 |
| 9. | 41.30 | Marion County School District / 56,460 |
| 9. | 41.30 | Upshur County School District / 24,210 |
| 12. | 41.40 | Barbour County School District / 16,472 |
| 13. | 41.50 | Jackson County School District / 29,206 |
| 14. | 41.70 | Preston County School District / 33,471 |
| 14. | 41.70 | Mingo County School District / 26,660 |
| 14. | 41.70 | Harrison County School District / 68,959 |
| 14. | 41.70 | Wayne County School District / 42,273 |
| 18. | 41.80 | Wood County School District / 86,835 |
| 19. | 41.90 | Doddridge County School District / 8,147 |
| 19. | 41.90 | Clay County School District / 9,432 |
| 21. | 42.10 | Pleasants County School District / 7,630 |
| 21. | 42.10 | Mercer County School District / 62,251 |
| 21. | 42.10 | Mineral County School District / 28,049 |
| 21. | 42.10 | Hardy County School District / 13,912 |
| 25. | 42.20 | Logan County School District / 36,508 |
| 25. | 42.20 | Mason County School District / 27,242 |
| 27. | 42.30 | Kanawha County School District / 192,572 |
| 27. | 42.30 | Fayette County School District / 46,000 |
| 29. | 42.40 | Taylor County School District / 16,889 |
| 29. | 42.40 | Wyoming County School District / 23,668 |
| 31. | 42.70 | Hampshire County School District / 23,791 |
| 32. | 43.20 | Ohio County School District / 44,307 |
| 33. | 43.30 | Roane County School District / 14,884 |
| 34. | 43.40 | Braxton County School District / 14,531 |
| 35. | 43.60 | Randolph County School District / 29,361 |
| 36. | 43.90 | Nicholas County School District / 26,201 |
| 36. | 43.90 | Wirt County School District / 5,769 |
| 38. | 44.00 | Marshall County School District / 32,993 |
| 38. | 44.00 | Lewis County School District / 16,389 |
| 38. | 44.00 | McDowell County School District / 21,966 |
| 38. | 44.00 | Grant County School District / 11,929 |
| 42. | 44.40 | Ritchie County School District / 10,391 |
| 43. | 44.70 | Webster County School District / 9,158 |
| 44. | 44.80 | Greenbrier County School District / 35,572 |
| 45. | 44.90 | Monroe County School District / 13,528 |
| 45. | 44.90 | Morgan County School District / 17,507 |
| 45. | 44.90 | Wetzel County School District / 16,526 |
| 45. | 44.90 | Brooke County School District / 24,021 |
| 49. | 45.10 | Hancock County School District / 30,594 |
| 49. | 45.10 | Tyler County School District / 9,188 |
| 51. | 45.40 | Calhoun County School District / 7,613 |
| 52. | 46.20 | Tucker County School District / 7,109 |
| 52. | 46.20 | Summers County School District / 13,813 |
| 54. | 47.50 | Pocahontas County School District / 8,750 |
| 55. | 47.60 | Pendleton County School District / 7,666 |
Please note that we only rank locations with 'Median Age' data. The rank above might not be a complete list. Locations without 'Median Age' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
