| Rank | Median Age ▲ | School District / Population |
| 1. | 21.50 | Mansfield School District / 26,543 |
| 2. | 22.50 | Regional High School District 19 / 36,901 |
| 3. | 29.90 | New Haven School District / 129,779 |
| 4. | 30.20 | Hartford School District / 124,775 |
| 5. | 30.30 | New London School District / 27,620 |
| 5. | 30.30 | Windham School District / 25,268 |
| 7. | 32.60 | Bridgeport School District / 144,229 |
| 7. | 32.60 | New Britain School District / 73,206 |
| 9. | 33.00 | Groton School District / 40,115 |
| 10. | 35.20 | Waterbury School District / 110,366 |
| 11. | 36.20 | Danbury School District / 80,893 |
| 12. | 36.60 | West Haven School District / 55,564 |
| 13. | 36.90 | Manchester School District / 58,241 |
| 14. | 37.00 | Middletown School District / 47,648 |
| 15. | 37.10 | Stamford School District / 122,643 |
| 16. | 37.40 | Hamden School District / 60,960 |
| 17. | 37.70 | Meriden School District / 60,868 |
| 18. | 37.80 | East Hartford School District / 51,252 |
| 19. | 38.00 | Norwich School District / 40,493 |
| 20. | 38.20 | Norwalk School District / 85,603 |
| 20. | 38.20 | Naugatuck School District / 31,862 |
| 22. | 38.30 | Willington School District / 6,041 |
| 23. | 38.40 | Ansonia School District / 19,249 |
| 24. | 38.50 | Sterling School District / 3,830 |
| 24. | 38.50 | Sprague School District / 2,984 |
| 24. | 38.50 | Plainfield School District / 15,405 |
| 27. | 39.10 | Darien School District / 20,732 |
| 28. | 39.60 | Griswold School District / 11,951 |
| 29. | 39.80 | Killingly School District / 17,370 |
| 30. | 39.90 | Putnam School District / 9,584 |
| 31. | 40.00 | Fairfield School District / 59,404 |
| 32. | 40.20 | Vernon School District / 29,179 |
| 33. | 40.30 | Derby School District / 12,902 |
| 33. | 40.30 | Bristol School District / 60,477 |
| 35. | 40.40 | Enfield School District / 44,654 |
| 36. | 40.60 | Ledyard School District / 15,051 |
| 36. | 40.60 | Colchester School District / 16,068 |
| 38. | 40.70 | Montville School District / 19,571 |
| 39. | 40.90 | Brooklyn School District / 8,210 |
| 39. | 40.90 | Ellington School District / 15,602 |
| 41. | 41.40 | New Milford School District / 28,142 |
| 42. | 41.50 | West Hartford School District / 63,268 |
| 42. | 41.50 | Coventry School District / 12,435 |
| 44. | 41.60 | Bethel School District / 18,584 |
| 44. | 41.60 | Tolland School District / 15,052 |
| 44. | 41.60 | Seymour School District / 16,540 |
| 47. | 41.70 | Pomfret School District / 4,247 |
| 48. | 41.80 | Salem School District / 4,151 |
| 48. | 41.80 | Stafford School District / 12,087 |
| 48. | 41.80 | Suffield School District / 15,735 |
| 48. | 41.80 | Hebron School District / 9,686 |
| 52. | 41.90 | Plymouth School District / 12,243 |
| 53. | 42.00 | Plainville School District / 17,716 |
| 54. | 42.10 | Ashford School District / 4,317 |
| 55. | 42.20 | Stratford School District / 51,384 |
| 55. | 42.20 | Cheshire School District / 29,261 |
| 57. | 42.40 | Regional High School District 08 / 19,393 |
| 57. | 42.40 | New Fairfield School District / 13,881 |
| 57. | 42.40 | Torrington School District / 36,383 |
| 60. | 42.50 | Thomaston School District / 7,887 |
| 60. | 42.50 | East Haven School District / 29,257 |
| 60. | 42.50 | Somers School District / 11,444 |
| 60. | 42.50 | Scotland School District / 1,726 |
| 64. | 42.60 | Thompson School District / 9,458 |
| 64. | 42.60 | East Granby School District / 5,148 |
| 66. | 42.70 | Wolcott School District / 16,680 |
| 66. | 42.70 | Monroe School District / 19,479 |
| 66. | 42.70 | Lebanon School District / 7,308 |
| 69. | 42.80 | East Hampton School District / 12,959 |
| 69. | 42.80 | Regional School District 16 / 15,454 |
| 69. | 42.80 | Greenwich School District / 61,171 |
| 69. | 42.80 | Voluntown School District / 2,603 |
| 73. | 42.90 | Chaplin School District / 2,305 |
| 73. | 42.90 | Wilton School District / 18,062 |
| 73. | 42.90 | Wallingford School District / 45,135 |
| 73. | 42.90 | Newtown School District / 27,560 |
| 77. | 43.00 | New Canaan School District / 19,738 |
| 77. | 43.00 | Windsor Locks School District / 12,498 |
| 77. | 43.00 | Andover School District / 3,303 |
| 77. | 43.00 | Marlborough School District / 6,404 |
| 81. | 43.10 | Glastonbury School District / 34,427 |
| 81. | 43.10 | Windsor School District / 29,044 |
| 81. | 43.10 | Cromwell School District / 14,005 |
| 81. | 43.10 | Portland School District / 9,508 |
| 85. | 43.20 | East Windsor School District / 11,162 |
| 85. | 43.20 | Canterbury School District / 5,132 |
| 87. | 43.30 | South Windsor School District / 25,709 |
| 87. | 43.30 | Southington School District / 43,069 |
| 89. | 43.40 | Weston School District / 10,179 |
| 89. | 43.40 | Oxford School District / 12,683 |
| 91. | 43.50 | Simsbury School District / 23,511 |
| 91. | 43.50 | Regional School District 10 / 14,943 |
| 91. | 43.50 | Brookfield School District / 16,452 |
| 91. | 43.50 | Milford School District / 52,759 |
| 91. | 43.50 | North Canaan School District / 3,315 |
| 91. | 43.50 | Ridgefield School District / 24,638 |
| 97. | 43.60 | Regional School District 13 / 11,813 |
| 98. | 43.70 | Newington School District / 30,562 |
| 99. | 43.80 | Regional High School District 11 / 5,894 |
| 100. | 43.90 | Trumbull School District / 36,018 |
| 100. | 43.90 | Deep River School District / 4,629 |
| 100. | 43.90 | Clinton School District / 13,260 |
| 100. | 43.90 | Bozrah School District / 2,627 |
| 104. | 44.00 | Winchester School District / 11,242 |
| 104. | 44.00 | Canton School District / 10,292 |
| 104. | 44.00 | Rocky Hill School District / 19,709 |
| 104. | 44.00 | Watertown School District / 22,514 |
| 104. | 44.00 | Lisbon School District / 4,338 |
| 109. | 44.10 | New Hartford School District / 6,970 |
| 109. | 44.10 | Woodstock School District / 7,964 |
| 109. | 44.10 | Franklin School District / 1,922 |
| 112. | 44.20 | Farmington School District / 25,340 |
| 112. | 44.20 | East Haddam School District / 9,126 |
| 114. | 44.30 | East Lyme School District / 19,159 |
| 115. | 44.40 | Shelton School District / 39,559 |
| 116. | 44.60 | North Branford School District / 14,407 |
| 116. | 44.60 | Westport School District / 26,391 |
| 116. | 44.60 | Granby School District / 11,282 |
| 119. | 44.80 | Eastford School District / 1,749 |
| 119. | 44.80 | Barkhamsted School District / 3,799 |
| 121. | 44.90 | Avon School District / 18,098 |
| 121. | 44.90 | Regional High School District 07 / 13,963 |
| 121. | 44.90 | Bethany School District / 5,563 |
| 124. | 45.10 | Easton School District / 7,490 |
| 125. | 45.20 | Hartland School District / 2,114 |
| 125. | 45.20 | Wethersfield School District / 26,668 |
| 127. | 45.40 | Regional School District 17 / 14,871 |
| 127. | 45.40 | Bolton School District / 4,980 |
| 129. | 45.50 | Berlin School District / 19,866 |
| 129. | 45.50 | North Haven School District / 24,093 |
| 131. | 45.60 | Columbia School District / 5,485 |
| 132. | 45.70 | Orange School District / 13,956 |
| 133. | 45.80 | Regional High School District 09 / 16,648 |
| 134. | 45.90 | Preston School District / 4,726 |
| 134. | 45.90 | North Stonington School District / 5,297 |
| 136. | 46.10 | Regional High School District 05 / 28,509 |
| 136. | 46.10 | Waterford School District / 19,517 |
| 138. | 46.20 | Colebrook School District / 1,485 |
| 139. | 46.40 | Hampton School District / 1,863 |
| 139. | 46.40 | Redding School District / 9,158 |
| 141. | 46.50 | Union School District / 854 |
| 142. | 46.60 | Guilford School District / 22,375 |
| 142. | 46.60 | Westbrook School District / 6,938 |
| 142. | 46.60 | Madison School District / 18,269 |
| 145. | 46.80 | Stonington School District / 18,545 |
| 146. | 47.00 | Regional School District 14 / 13,582 |
| 146. | 47.00 | Branford School District / 28,026 |
| 148. | 47.20 | Regional School District 06 / 6,825 |
| 149. | 47.30 | Litchfield School District / 8,466 |
| 150. | 47.40 | Regional High School District 04 / 15,306 |
| 150. | 47.40 | Sherman School District / 3,581 |
| 152. | 47.60 | Woodbridge School District / 8,990 |
| 153. | 47.70 | Norfolk School District / 1,709 |
| 154. | 47.90 | Bloomfield School District / 20,486 |
| 155. | 48.20 | Regional School District 15 / 27,479 |
| 156. | 48.70 | Chester School District / 3,994 |
| 157. | 48.90 | Kent School District / 2,979 |
| 158. | 49.20 | Essex School District / 6,683 |
| 159. | 49.50 | Regional High School District 01 / 15,471 |
| 159. | 49.50 | Regional School District 18 / 10,009 |
| 161. | 49.70 | Canaan School District / 1,234 |
| 162. | 50.10 | Old Saybrook School District / 10,242 |
| 162. | 50.10 | Cornwall School District / 1,420 |
| 164. | 50.20 | Regional School District 12 / 7,567 |
| 165. | 51.40 | Sharon School District / 2,782 |
| 166. | 52.70 | Salisbury School District / 3,741 |
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.
