| Rank | Median Age ▲ | School District / Population |
| 1. | 23.50 | Fort Campbell Schools / 5,008 |
| 2. | 29.40 | Rutherford County School District in Murfreesboro / 97,870 |
| 2. | 29.40 | Murfreesboro City Elementary School District / 98,232 |
| 4. | 29.80 | Rhea County School District in Dayton / 6,727 |
| 4. | 29.80 | Dayton City Elementary School District / 6,727 |
| 6. | 31.20 | Montgomery County School District / 148,483 |
| 7. | 32.20 | Bells City School District / 2,286 |
| 7. | 32.20 | Crockett County School District in Bells / 2,286 |
| 9. | 32.70 | Memphis City School District / 679,052 |
| 10. | 34.00 | Rutherford County School District / 141,949 |
| 10. | 34.00 | Cleveland City School District / 39,253 |
| 12. | 34.30 | Nashville-Davidson County School District / 621,465 |
| 13. | 34.40 | Name N/A / 260,879 |
| 14. | 34.70 | Lenoir City School District / 7,861 |
| 15. | 35.00 | Bedford County School District / 44,291 |
| 16. | 35.40 | Putnam County School District / 69,938 |
| 16. | 35.40 | Crockett County School District in Alamo / 4,225 |
| 16. | 35.40 | Alamo Town School District / 4,225 |
| 19. | 35.70 | Jackson-Madison Consolidated School District / 96,346 |
| 20. | 36.10 | Coffee County School District in Manchester / 9,755 |
| 20. | 36.10 | Lauderdale County School District / 26,568 |
| 20. | 36.10 | Manchester City School District / 9,755 |
| 20. | 36.10 | Scott County School District / 18,981 |
| 24. | 36.30 | Tipton County School District / 57,543 |
| 25. | 36.40 | Robertson County School District / 63,521 |
| 26. | 36.50 | Macon County School District / 21,708 |
| 27. | 36.60 | Lebanon Special School District / 27,256 |
| 27. | 36.60 | Johnson City School District / 58,266 |
| 27. | 36.60 | Wilson County School District in Lebanon / 27,256 |
| 30. | 36.70 | Franklin Special School District / 34,923 |
| 30. | 36.70 | Williamson County School District in Franklin / 34,923 |
| 32. | 36.80 | Chester County School District / 16,106 |
| 33. | 37.00 | Knox County School District / 423,655 |
| 34. | 37.10 | Dyersburg City School District / 17,227 |
| 35. | 37.40 | Bradford Special School District / 3,496 |
| 35. | 37.40 | Sequatchie County School District / 13,377 |
| 37. | 37.50 | Maury County School District / 80,190 |
| 37. | 37.50 | Dickson County School District / 47,140 |
| 37. | 37.50 | Shelby County School District / 239,134 |
| 40. | 37.60 | Gibson County School District / 17,140 |
| 40. | 37.60 | Alcoa City School District / 8,613 |
| 40. | 37.60 | Haywood County School District / 19,155 |
| 43. | 37.80 | McKenzie Special School District / 7,646 |
| 43. | 37.80 | Sumner County School District / 151,874 |
| 45. | 37.90 | Weakley County School District / 33,389 |
| 45. | 37.90 | Marshall County School District / 29,297 |
| 47. | 38.10 | Elizabethton City School District / 13,806 |
| 47. | 38.10 | Union City School District / 10,535 |
| 47. | 38.10 | Athens City Elementary School District / 14,077 |
| 47. | 38.10 | Hamblen County School District / 61,698 |
| 47. | 38.10 | McMinn County School District in Athens / 14,077 |
| 47. | 38.10 | Monroe County School District / 32,456 |
| 47. | 38.10 | Lake County School District / 7,404 |
| 54. | 38.20 | Hickman County School District / 23,670 |
| 55. | 38.30 | Williamson County School District / 130,603 |
| 55. | 38.30 | Hardeman County School District / 27,759 |
| 55. | 38.30 | Henderson County School District in Lexington / 7,745 |
| 55. | 38.30 | Cheatham County School District / 39,042 |
| 55. | 38.30 | Warren County School District / 39,915 |
| 55. | 38.30 | Lexington City Elementary School District / 7,745 |
| 61. | 38.50 | Trenton Special School District / 8,649 |
| 62. | 38.60 | Lawrence County School District / 40,899 |
| 63. | 38.70 | Lewis County School District / 11,466 |
| 64. | 38.80 | Maryville City School District / 26,533 |
| 65. | 38.90 | Wilson County School District / 79,216 |
| 65. | 38.90 | Henderson County School District / 18,942 |
| 65. | 38.90 | Smith County School District / 18,863 |
| 65. | 38.90 | Lincoln County School District / 25,672 |
| 69. | 39.00 | Hamilton County School District / 330,941 |
| 70. | 39.10 | Jefferson County School District / 50,116 |
| 70. | 39.10 | Grundy County School District / 14,262 |
| 70. | 39.10 | Union County School District / 18,927 |
| 73. | 39.20 | DeKalb County School District / 18,624 |
| 74. | 39.30 | Trousdale County School District / 7,682 |
| 74. | 39.30 | Meigs County School District / 11,747 |
| 76. | 39.40 | Hawkins County School District in Rogersville / 4,291 |
| 76. | 39.40 | Rogersville Town Elementary School District / 4,291 |
| 78. | 39.60 | Wayne County School District / 16,592 |
| 78. | 39.60 | Dyer County School District / 20,471 |
| 78. | 39.60 | Morgan County School District / 19,294 |
| 78. | 39.60 | Bradley County School District / 55,931 |
| 82. | 39.70 | Cocke County School District / 27,986 |
| 82. | 39.70 | Marion County School District / 27,087 |
| 82. | 39.70 | West Carroll Special District / 7,230 |
| 85. | 39.80 | Tullahoma City School District / 17,595 |
| 85. | 39.80 | Anderson County School District / 39,520 |
| 87. | 39.90 | Fayette County School District / 36,820 |
| 88. | 40.00 | Claiborne County School District / 31,081 |
| 89. | 40.10 | Campbell County School District / 40,646 |
| 89. | 40.10 | Franklin County School District / 41,021 |
| 89. | 40.10 | Coffee County School District / 24,344 |
| 92. | 40.30 | Washington County School District / 58,484 |
| 92. | 40.30 | Grainger County School District / 22,549 |
| 92. | 40.30 | Pickett County School District / 4,803 |
| 95. | 40.40 | Greeneville City School District / 15,342 |
| 96. | 40.50 | Carter County School District / 45,149 |
| 96. | 40.50 | McMinn County School District / 34,242 |
| 96. | 40.50 | Sevier County School District / 83,448 |
| 99. | 40.60 | Cannon County School District / 13,505 |
| 99. | 40.60 | White County School District / 24,897 |
| 99. | 40.60 | Overton County School District / 20,816 |
| 102. | 40.70 | Hancock County School District / 6,633 |
| 103. | 40.90 | Rhea County School District / 23,906 |
| 103. | 40.90 | Humphreys County School District / 18,151 |
| 105. | 41.00 | Bledsoe County School District / 12,941 |
| 105. | 41.00 | Hawkins County School District / 49,607 |
| 107. | 41.10 | McNairy County School District / 25,436 |
| 107. | 41.10 | Greene County School District / 50,356 |
| 109. | 41.20 | Blount County School District / 84,343 |
| 109. | 41.20 | Stewart County School District / 13,078 |
| 109. | 41.20 | Fentress County School District / 17,412 |
| 112. | 41.40 | Giles County School District / 29,075 |
| 113. | 41.50 | Sullivan County School District / 86,411 |
| 113. | 41.50 | Clinton City Elementary School District / 9,507 |
| 113. | 41.50 | Anderson County School District in Clinton / 9,507 |
| 116. | 41.60 | Obion County School District / 21,075 |
| 116. | 41.60 | Oneida Special School District / 2,871 |
| 118. | 41.70 | Van Buren County School District / 5,423 |
| 118. | 41.70 | Houston County School District / 8,041 |
| 120. | 41.80 | McMinn County School District in Etowah / 3,736 |
| 120. | 41.80 | Henry County School District in Paris / 11,461 |
| 120. | 41.80 | Paris City Special School District / 11,461 |
| 120. | 41.80 | Etowah City Elementary School District / 3,736 |
| 124. | 42.00 | Polk County School District / 15,735 |
| 124. | 42.00 | Hardin County School District / 26,093 |
| 126. | 42.20 | Moore County School District / 6,044 |
| 126. | 42.20 | Sweetwater City School District / 12,146 |
| 126. | 42.20 | Monroe County School District in Sweetwater / 12,146 |
| 129. | 42.30 | Crockett County School District / 7,897 |
| 130. | 42.50 | Perry County School District / 7,694 |
| 130. | 42.50 | Johnson County School District / 18,019 |
| 132. | 42.90 | Huntingdon Special School District / 7,414 |
| 133. | 43.00 | Roane County School District / 53,186 |
| 133. | 43.00 | Oak Ridge City School District / 24,355 |
| 135. | 43.30 | Humboldt City School District / 9,125 |
| 135. | 43.30 | Bristol City School District / 25,468 |
| 137. | 43.40 | Jackson County School District / 10,896 |
| 137. | 43.40 | Kingsport City School District / 44,494 |
| 139. | 43.50 | Newport City Elementary School District / 7,420 |
| 139. | 43.50 | Milan City Special School District / 10,176 |
| 139. | 43.50 | Richard City Special School District / 873 |
| 139. | 43.50 | Cocke County School District in Newport / 7,420 |
| 143. | 43.80 | Decatur County School District / 11,472 |
| 144. | 44.00 | Unicoi County School District / 17,686 |
| 145. | 44.10 | South Carroll Special School District / 2,547 |
| 146. | 44.20 | Henry County School District / 20,106 |
| 147. | 44.90 | Benton County School District / 16,130 |
| 147. | 44.90 | Clay County School District / 7,937 |
| 149. | 46.20 | Fayetteville City Elementary School District / 7,092 |
| 149. | 46.20 | Lincoln County School District in Fayetteville / 7,092 |
| 151. | 46.30 | Loudon County School District / 37,315 |
| 152. | 46.90 | Cumberland County School District / 52,852 |
| 153. | 47.00 | Hollow Rock-Bruceton Special School District / 3,849 |
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.
