| Rank | Median Age ▲ | School District / Population |
| 1. | 27.30 | Lincoln Parish School District / 47,243 |
| 2. | 29.90 | Vernon Parish School District / 52,844 |
| 3. | 31.60 | Monroe City School District / 49,455 |
| 4. | 32.40 | East Baton Rouge Parish School District / 378,390 |
| 5. | 32.90 | St. Bernard Parish School District / 41,114 |
| 6. | 33.30 | Natchitoches Parish School District / 39,359 |
| 7. | 33.40 | Baker City School District / 13,784 |
| 8. | 33.50 | East Carroll Parish School District / 7,602 |
| 9. | 33.90 | Lafayette Parish School District / 228,084 |
| 10. | 34.10 | Tangipahoa Parish School District / 124,125 |
| 11. | 34.20 | Zachary Community School District / 22,403 |
| 12. | 34.40 | Madison Parish School District / 12,008 |
| 13. | 34.50 | Bossier Parish School District / 121,918 |
| 14. | 34.70 | Ascension Parish School District / 112,308 |
| 15. | 35.00 | Livingston Parish School District / 132,160 |
| 16. | 35.10 | Orleans Parish School District / 368,471 |
| 17. | 35.30 | Terrebonne Parish School District / 112,167 |
| 18. | 35.50 | West Baton Rouge Parish School District / 24,347 |
| 19. | 35.60 | Acadia Parish School District / 62,031 |
| 19. | 35.60 | Evangeline Parish School District / 33,778 |
| 19. | 35.60 | Ouachita Parish School District / 105,830 |
| 22. | 35.70 | Iberia Parish School District / 73,735 |
| 23. | 35.80 | St. John the Baptist Parish School District / 44,570 |
| 24. | 36.10 | Calcasieu Parish School District / 194,943 |
| 25. | 36.20 | Plaquemines Parish School District / 23,545 |
| 26. | 36.30 | Vermilion Parish School District / 58,784 |
| 27. | 36.40 | Caddo Parish School District / 255,529 |
| 28. | 36.50 | St. Martin Parish School District / 52,823 |
| 29. | 36.70 | St. Landry Parish School District / 83,518 |
| 30. | 36.80 | Bogalusa City School District / 12,071 |
| 30. | 36.80 | Lafourche Parish School District / 97,235 |
| 32. | 37.10 | St. Charles Parish School District / 52,616 |
| 33. | 37.30 | Rapides Parish School District / 132,199 |
| 34. | 37.40 | Beauregard Parish School District / 36,109 |
| 34. | 37.40 | Grant Parish School District / 22,363 |
| 36. | 37.70 | Concordia Parish School District / 20,609 |
| 37. | 37.80 | Richland Parish School District / 20,845 |
| 38. | 37.90 | St. Mary Parish School District / 53,784 |
| 39. | 38.20 | Avoyelles Parish School District / 41,604 |
| 40. | 38.30 | Jefferson Davis Parish School District / 31,492 |
| 41. | 38.40 | Iberville Parish School District / 33,375 |
| 41. | 38.40 | La Salle Parish School District / 14,874 |
| 43. | 38.60 | Allen Parish School District / 25,691 |
| 43. | 38.60 | Assumption Parish School District / 23,170 |
| 43. | 38.60 | Jefferson Parish School District / 434,528 |
| 43. | 38.60 | Franklin Parish School District / 20,645 |
| 47. | 38.70 | Catahoula Parish School District / 10,273 |
| 48. | 38.80 | Morehouse Parish School District / 27,319 |
| 48. | 38.80 | St. James Parish School District / 21,782 |
| 50. | 39.40 | St. Helena Parish School District / 10,937 |
| 51. | 39.70 | Jackson Parish School District / 16,199 |
| 51. | 39.70 | Winn Parish School District / 15,000 |
| 51. | 39.70 | St. Tammany Parish School District / 239,814 |
| 54. | 39.80 | De Soto Parish School District / 26,968 |
| 55. | 39.90 | Red River Parish School District / 8,937 |
| 56. | 40.20 | Washington Parish School District / 34,652 |
| 57. | 40.50 | Central Community School District / 29,021 |
| 58. | 40.80 | Webster Parish School District / 40,890 |
| 58. | 40.80 | Caldwell Parish School District / 10,008 |
| 58. | 40.80 | West Carroll Parish School District / 11,522 |
| 61. | 40.90 | Cameron Parish School District / 6,713 |
| 62. | 41.20 | Union Parish School District / 22,623 |
| 63. | 41.30 | Sabine Parish School District / 24,286 |
| 63. | 41.30 | East Feliciana Parish School District / 19,964 |
| 65. | 41.50 | West Feliciana Parish School District / 15,485 |
| 66. | 41.60 | Claiborne Parish School District / 16,817 |
| 67. | 42.20 | Bienville Parish School District / 14,122 |
| 68. | 42.60 | Pointe Coupee Parish School District / 22,631 |
| 68. | 42.60 | Tensas Parish School District / 5,008 |
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.
