| Rank | Median Age ▲ | School District / Population |
| 1. | 21.50 | Oyster River Cooperative School District / 21,540 |
| 2. | 23.00 | Plymouth School District / 6,902 |
| 3. | 23.20 | Hanover School District / 11,311 |
| 3. | 23.20 | Dresden School District / 11,311 |
| 5. | 30.90 | Henniker School District / 4,822 |
| 6. | 34.50 | Keene School District / 23,281 |
| 7. | 35.20 | Somersworth School District / 11,765 |
| 7. | 35.20 | John Stark Regional School District / 13,671 |
| 9. | 35.80 | Newmarket School District / 8,928 |
| 10. | 36.60 | Dover School District / 30,332 |
| 11. | 36.80 | Jaffrey-Rindge Cooperative School District / 11,374 |
| 11. | 36.80 | Manchester School District / 110,065 |
| 13. | 37.40 | Weare School District / 8,849 |
| 14. | 37.50 | Pemi-Baker Regional School District / 19,440 |
| 15. | 37.70 | Ashland School District / 2,066 |
| 16. | 38.10 | Litchfield School District / 8,329 |
| 17. | 38.30 | Raymond School District / 10,202 |
| 17. | 38.30 | Nashua School District / 86,799 |
| 19. | 38.50 | Derry School District / 33,180 |
| 20. | 38.60 | Pittsfield School District / 4,082 |
| 21. | 38.70 | Rollinsford School District / 2,528 |
| 22. | 39.30 | Pembroke School District / 7,121 |
| 22. | 39.30 | Mascenic Regional School District / 7,497 |
| 24. | 39.40 | Lebanon School District / 13,474 |
| 25. | 39.60 | Concord School District / 37,821 |
| 25. | 39.60 | Goffstown School District / 17,765 |
| 27. | 39.70 | Name N/A / 741 |
| 28. | 40.00 | Hillsboro-Deering Cooperative School District / 7,766 |
| 29. | 40.30 | Middleton School District / 1,567 |
| 30. | 40.40 | Rivendell Interstate School District / 1,572 |
| 31. | 40.50 | Hudson School District / 24,584 |
| 32. | 40.60 | Hooksett School District / 13,669 |
| 33. | 40.70 | Milford School District / 15,133 |
| 34. | 40.80 | Farmington School District / 6,824 |
| 35. | 40.90 | Claremont School District / 13,169 |
| 36. | 41.00 | Shaker Regional School District / 9,610 |
| 36. | 41.00 | Allenstown School District / 4,303 |
| 38. | 41.10 | New Boston School District / 5,390 |
| 39. | 41.20 | Chatham School District / 393 |
| 39. | 41.20 | Milton School District / 4,592 |
| 39. | 41.20 | Pelham School District / 13,032 |
| 42. | 41.40 | Londonderry School District / 24,247 |
| 43. | 41.50 | Franklin School District / 8,462 |
| 43. | 41.50 | Portsmouth School District / 21,366 |
| 43. | 41.50 | Rochester School District / 29,883 |
| 46. | 41.60 | Epping School District / 6,587 |
| 47. | 41.70 | Brookline School District / 5,051 |
| 48. | 41.90 | Winchester School District / 4,302 |
| 49. | 42.30 | Deerfield School District / 4,330 |
| 50. | 42.40 | Brentwood School District / 4,598 |
| 51. | 42.50 | Newfields School District / 1,625 |
| 51. | 42.50 | Merrimack School District / 25,563 |
| 53. | 42.60 | Merrimack Valley School District / 17,295 |
| 54. | 42.70 | Auburn School District / 5,078 |
| 54. | 42.70 | Windham School District / 13,943 |
| 54. | 42.70 | Haverhill Cooperative School District / 4,665 |
| 57. | 42.80 | Sanborn Regional School District / 10,777 |
| 57. | 42.80 | Timberlane Regional School District / 24,958 |
| 57. | 42.80 | Bedford School District / 21,449 |
| 57. | 42.80 | Chester School District / 4,802 |
| 61. | 42.90 | Northumberland School District / 2,179 |
| 62. | 43.20 | Salem School District / 28,841 |
| 62. | 43.20 | Bethlehem School District / 2,537 |
| 62. | 43.20 | Mason School District / 1,329 |
| 65. | 43.30 | Northwood School District / 4,269 |
| 66. | 43.40 | Barrington School District / 8,691 |
| 67. | 43.50 | Fremont School District / 4,375 |
| 68. | 43.70 | Nottingham School District / 4,855 |
| 69. | 43.80 | Albany School District / 800 |
| 70. | 43.90 | Name N/A / 364,063 |
| 71. | 44.00 | Mont Vernon School District / 2,508 |
| 71. | 44.00 | Exeter Regional Cooperative School District / 32,468 |
| 73. | 44.10 | Berlin School District / 9,710 |
| 73. | 44.10 | Monadnock Regional School District / 13,906 |
| 73. | 44.10 | Barnstead School District / 4,605 |
| 76. | 44.30 | Fall Mountain Regional School District / 12,383 |
| 76. | 44.30 | Exeter School District / 14,434 |
| 76. | 44.30 | Dunbarton School District / 2,779 |
| 79. | 44.40 | Souhegan Cooperative School District / 13,742 |
| 79. | 44.40 | Prospect Mountain High School Joint Maintenance Agreement District / 9,875 |
| 81. | 44.50 | Hampton Falls School District / 2,307 |
| 81. | 44.50 | Wilton-Lyndeboro School District / 5,312 |
| 81. | 44.50 | Gilmanton School District / 3,778 |
| 81. | 44.50 | East Kingston School District / 2,453 |
| 85. | 44.60 | Croydon School District / 651 |
| 85. | 44.60 | Amherst School District / 11,234 |
| 87. | 44.70 | Stratham School District / 7,303 |
| 88. | 44.80 | Conway School District / 10,054 |
| 88. | 44.80 | Alton School District / 5,270 |
| 90. | 44.90 | Hollis-Brookline Cooperative School District / 12,772 |
| 90. | 44.90 | Marlborough School District / 1,840 |
| 90. | 44.90 | Hinsdale School District / 3,995 |
| 93. | 45.00 | Strafford School District / 4,017 |
| 94. | 45.20 | Greenland School District / 3,668 |
| 94. | 45.20 | Winnisquam Regional School District / 11,373 |
| 96. | 45.30 | Hopkinton School District / 5,591 |
| 97. | 45.40 | Lisbon Regional School District / 2,165 |
| 97. | 45.40 | Littleton School District / 5,942 |
| 97. | 45.40 | Bow School District / 7,611 |
| 100. | 45.50 | Laconia School District / 16,007 |
| 100. | 45.50 | Newport School District / 6,434 |
| 102. | 45.60 | Epsom School District / 4,597 |
| 103. | 45.70 | Newfound Area School District / 10,699 |
| 104. | 45.80 | Kensington School District / 2,055 |
| 105. | 46.00 | Marlow School District / 753 |
| 106. | 46.20 | Mascoma Valley Regional School District / 10,379 |
| 106. | 46.20 | Hampstead School District / 8,543 |
| 106. | 46.20 | Grantham School District / 2,970 |
| 109. | 46.50 | Rumney School District / 1,676 |
| 109. | 46.50 | Plainfield School District / 2,518 |
| 111. | 46.60 | Campton School District / 3,317 |
| 112. | 46.80 | Benton School District / 482 |
| 113. | 46.90 | Hill School District / 1,164 |
| 113. | 46.90 | Chesterfield School District / 3,601 |
| 113. | 46.90 | Kearsarge Regional School District / 15,539 |
| 116. | 47.10 | Candia School District / 3,920 |
| 117. | 47.20 | Hollis School District / 7,721 |
| 117. | 47.20 | Warren School District / 726 |
| 119. | 47.40 | Madison School District / 2,507 |
| 119. | 47.40 | Westmoreland School District / 2,066 |
| 119. | 47.40 | Stratford School District / 710 |
| 122. | 47.50 | Stoddard School District / 1,124 |
| 123. | 47.60 | Contoocook Valley School District / 18,773 |
| 124. | 47.80 | Gorham Randolph Shelburne Cooperative School District / 3,547 |
| 124. | 47.80 | White Mountain Regional School District / 8,397 |
| 126. | 48.00 | Goshen-Lempster Cooperative School District / 1,910 |
| 127. | 48.10 | Lincoln-Woodstock School District / 2,446 |
| 128. | 48.20 | Thornton School District / 2,490 |
| 129. | 48.30 | Lyme School District / 1,733 |
| 130. | 48.40 | Chichester School District / 2,552 |
| 130. | 48.40 | Winnacunnet Cooperative School District / 30,471 |
| 132. | 48.50 | South Hampton School District / 799 |
| 133. | 48.60 | Seabrook School District / 8,747 |
| 133. | 48.60 | Andover School District / 2,428 |
| 133. | 48.60 | Cornish School District / 1,601 |
| 133. | 48.60 | Hampton School District / 15,073 |
| 137. | 48.70 | Sunapee School District / 3,363 |
| 137. | 48.70 | Columbia School District / 726 |
| 139. | 48.90 | Windsor School District / 269 |
| 140. | 49.10 | Inter-Lakes School District / 8,799 |
| 140. | 49.10 | Profile School District / 4,566 |
| 142. | 49.30 | Governor Wentworth Regional School District / 17,584 |
| 142. | 49.30 | Monroe School District / 906 |
| 144. | 49.60 | Unity School District / 1,592 |
| 145. | 49.70 | Dummer School District / 348 |
| 145. | 49.70 | Gilford School District / 7,142 |
| 147. | 49.80 | Holderness School District / 2,093 |
| 148. | 49.90 | Stark School District / 490 |
| 149. | 50.10 | Wakefield School District / 5,046 |
| 150. | 50.20 | Newington School District / 800 |
| 150. | 50.20 | North Hampton School District / 4,344 |
| 150. | 50.20 | Nelson School District / 606 |
| 150. | 50.20 | Colebrook School District / 2,340 |
| 154. | 50.30 | Hart's Location School District / 41 |
| 154. | 50.30 | Wentworth School District / 896 |
| 156. | 50.40 | Milan School District / 1,307 |
| 157. | 50.50 | Bartlett School District / 2,767 |
| 157. | 50.50 | Piermont School District / 754 |
| 159. | 50.80 | Rye School District / 5,315 |
| 160. | 51.10 | Jackson School District / 1,032 |
| 161. | 51.20 | Washington School District / 1,013 |
| 162. | 51.80 | Surry School District / 828 |
| 163. | 52.70 | Waterville Valley School District / 260 |
| 164. | 53.20 | Tamworth School District / 2,851 |
| 164. | 53.20 | Ellsworth School District / 61 |
| 166. | 53.40 | Clarksville School District / 315 |
| 167. | 53.50 | Harrisville School District / 911 |
| 168. | 54.00 | Landaff School District / 416 |
| 169. | 54.60 | Moultonborough School District / 4,032 |
| 169. | 54.60 | Freedom School District / 1,195 |
| 171. | 55.40 | Lafayette Regional School District / 2,029 |
| 172. | 55.90 | Bath School District / 872 |
| 172. | 55.90 | New Castle School District / 980 |
| 174. | 56.10 | Errol School District / 301 |
| 175. | 56.50 | Stewartstown School District / 811 |
| 176. | 57.60 | Pittsburg School District / 875 |
| 177. | 59.80 | Eaton School District / 348 |
| 178. | 64.40 | Coos County School District / 266 |
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.
