| Rank | Median Age ▲ | School District / Population |
| 1. | 29.60 | Leon County School District / 276,506 |
| 2. | 30.10 | Alachua County School District / 247,973 |
| 3. | 32.60 | Hendry County School District / 38,669 |
| 4. | 33.10 | Hardee County School District / 27,347 |
| 5. | 33.70 | Orange County School District / 1,153,795 |
| 6. | 33.80 | Lafayette County School District / 8,668 |
| 7. | 35.40 | Osceola County School District / 272,355 |
| 8. | 35.70 | Duval County School District / 866,431 |
| 9. | 35.90 | Baker County School District / 27,010 |
| 10. | 36.10 | Hillsborough County School District / 1,238,365 |
| 11. | 37.50 | Escambia County School District / 298,864 |
| 12. | 37.70 | Okaloosa County School District / 183,400 |
| 13. | 38.20 | Liberty County School District / 8,300 |
| 13. | 38.20 | Clay County School District / 190,891 |
| 13. | 38.20 | Dade County School District / 2,512,219 |
| 16. | 38.30 | Seminole County School District / 423,389 |
| 17. | 38.40 | Hamilton County School District / 14,728 |
| 18. | 38.50 | DeSoto County School District / 34,628 |
| 19. | 38.70 | Bradford County School District / 28,404 |
| 20. | 38.90 | Gadsden County School District / 46,823 |
| 21. | 39.00 | Okeechobee County School District / 39,779 |
| 22. | 39.20 | Santa Rosa County School District / 153,086 |
| 23. | 39.30 | Bay County School District / 168,957 |
| 24. | 39.50 | Wakulla County School District / 30,449 |
| 25. | 39.70 | Broward County School District / 1,761,993 |
| 25. | 39.70 | Gilchrist County School District / 16,880 |
| 27. | 39.80 | Polk County School District / 604,562 |
| 27. | 39.80 | Union County School District / 15,400 |
| 29. | 40.00 | Columbia County School District / 67,546 |
| 30. | 40.10 | Calhoun County School District / 14,639 |
| 31. | 40.20 | Madison County School District / 19,187 |
| 32. | 40.40 | Jackson County School District / 49,589 |
| 33. | 40.80 | Washington County School District / 24,732 |
| 34. | 41.20 | Taylor County School District / 22,561 |
| 35. | 42.10 | Holmes County School District / 19,971 |
| 36. | 42.20 | St. Johns County School District / 191,495 |
| 36. | 42.20 | Suwannee County School District / 42,287 |
| 38. | 42.30 | Franklin County School District / 11,545 |
| 39. | 42.50 | St. Lucie County School District / 278,246 |
| 40. | 43.00 | Walton County School District / 55,349 |
| 41. | 43.10 | Nassau County School District / 73,303 |
| 42. | 43.20 | Putnam County School District / 74,224 |
| 43. | 43.40 | Glades County School District / 12,952 |
| 44. | 43.50 | Palm Beach County School District / 1,324,085 |
| 45. | 43.60 | Jefferson County School District / 14,564 |
| 46. | 43.80 | Pasco County School District / 465,276 |
| 46. | 43.80 | Gulf County School District / 15,796 |
| 48. | 44.90 | Dixie County School District / 16,301 |
| 49. | 45.20 | Levy County School District / 40,541 |
| 50. | 45.30 | Volusia County School District / 495,581 |
| 51. | 45.50 | Lee County School District / 624,155 |
| 51. | 45.50 | Brevard County School District / 544,019 |
| 53. | 45.60 | Manatee County School District / 324,834 |
| 54. | 45.70 | Lake County School District / 297,995 |
| 55. | 46.30 | Pinellas County School District / 917,389 |
| 56. | 46.40 | Monroe County School District / 73,475 |
| 57. | 47.10 | Collier County School District / 323,548 |
| 58. | 47.40 | Marion County School District / 331,987 |
| 59. | 47.70 | Flagler County School District / 95,987 |
| 60. | 47.80 | Hernando County School District / 172,784 |
| 61. | 48.90 | Indian River County School District / 138,203 |
| 62. | 49.80 | Martin County School District / 146,497 |
| 63. | 51.40 | Highlands County School District / 98,734 |
| 64. | 52.60 | Sarasota County School District / 380,479 |
| 65. | 54.20 | Citrus County School District / 140,805 |
| 66. | 55.90 | Charlotte County School District / 160,380 |
| 67. | 63.00 | Sumter County School District / 94,240 |
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.
