| Rank | Median Age ▲ | School District / Population |
| 1. | 21.70 | Oyster River Cooperative School District / 20,739 |
| 1. | 21.70 | Plymouth School District / 6,990 |
| 3. | 23.00 | Hanover School District / 11,260 |
| 3. | 23.00 | Dresden School District / 11,260 |
| 5. | 34.00 | Keene School District / 23,409 |
| 6. | 35.20 | Henniker School District / 4,836 |
| 7. | 35.80 | Newmarket School District / 8,936 |
| 8. | 36.00 | Manchester School District / 109,565 |
| 9. | 36.40 | Jaffrey-Rindge Cooperative School District / 11,471 |
| 10. | 36.60 | Pemi-Baker Regional School District / 19,388 |
| 11. | 36.70 | Dover School District / 29,987 |
| 12. | 37.80 | Somersworth School District / 11,766 |
| 13. | 37.90 | Mascenic Regional School District / 7,204 |
| 14. | 38.20 | John Stark Regional School District / 13,621 |
| 14. | 38.20 | Derry School District / 33,109 |
| 16. | 38.50 | Nashua School District / 86,494 |
| 17. | 39.00 | Goffstown School District / 17,651 |
| 17. | 39.00 | Milford School District / 15,115 |
| 17. | 39.00 | Middleton School District / 1,783 |
| 20. | 39.10 | Weare School District / 8,785 |
| 21. | 39.20 | Farmington School District / 6,786 |
| 22. | 39.40 | Pittsfield School District / 4,106 |
| 22. | 39.40 | Brookline School District / 4,991 |
| 22. | 39.40 | Lebanon School District / 13,151 |
| 25. | 39.60 | Hudson School District / 24,467 |
| 25. | 39.60 | Hillsboro-Deering Cooperative School District / 7,923 |
| 25. | 39.60 | Pembroke School District / 7,115 |
| 28. | 39.80 | Hooksett School District / 13,451 |
| 29. | 39.90 | New Boston School District / 5,321 |
| 29. | 39.90 | Barnstead School District / 4,593 |
| 29. | 39.90 | Raymond School District / 10,138 |
| 29. | 39.90 | Concord School District / 37,824 |
| 33. | 40.00 | Epping School District / 6,411 |
| 34. | 40.10 | Litchfield School District / 8,271 |
| 35. | 40.20 | Franklin School District / 8,477 |
| 36. | 40.30 | Portsmouth School District / 20,779 |
| 37. | 40.40 | Merrimack Valley School District / 17,407 |
| 38. | 40.50 | Londonderry School District / 24,129 |
| 38. | 40.50 | Nottingham School District / 4,785 |
| 38. | 40.50 | Fremont School District / 4,283 |
| 41. | 40.60 | Chester School District / 4,768 |
| 41. | 40.60 | Claremont School District / 13,355 |
| 43. | 40.70 | Merrimack School District / 25,494 |
| 43. | 40.70 | Rochester School District / 29,752 |
| 43. | 40.70 | Barrington School District / 8,576 |
| 43. | 40.70 | Pelham School District / 12,897 |
| 47. | 41.00 | Allenstown School District / 4,322 |
| 48. | 41.10 | Winchester School District / 4,341 |
| 48. | 41.10 | Brentwood School District / 4,486 |
| 50. | 41.30 | Milton School District / 4,598 |
| 51. | 41.40 | Andover School District / 2,371 |
| 52. | 41.70 | Newport School District / 6,507 |
| 53. | 41.80 | Windham School District / 13,592 |
| 54. | 42.00 | Deerfield School District / 4,280 |
| 55. | 42.10 | Wilton School District / 3,677 |
| 56. | 42.20 | Northwood School District / 4,241 |
| 57. | 42.30 | Sanborn Regional School District / 10,628 |
| 57. | 42.30 | Bedford School District / 21,203 |
| 59. | 42.50 | Dunbarton School District / 2,758 |
| 60. | 42.70 | Rollinsford School District / 2,527 |
| 60. | 42.70 | Timberlane Regional School District / 24,733 |
| 60. | 42.70 | Hinsdale School District / 4,046 |
| 63. | 42.80 | Monadnock Regional School District / 14,645 |
| 64. | 43.00 | Epsom School District / 4,566 |
| 64. | 43.00 | Laconia School District / 15,951 |
| 64. | 43.00 | Winnisquam Regional School District / 11,362 |
| 67. | 43.10 | Newfields School District / 1,680 |
| 67. | 43.10 | Ashland School District / 2,076 |
| 67. | 43.10 | Gilmanton School District / 3,777 |
| 70. | 43.20 | Mont Vernon School District / 2,409 |
| 70. | 43.20 | Salem School District / 28,776 |
| 72. | 43.30 | Wilton-Lyndeboro School District / 5,360 |
| 72. | 43.30 | Stratham School District / 7,255 |
| 74. | 43.40 | Prospect Mountain High School Joint Maintenance Agreement District / 9,843 |
| 74. | 43.40 | Shaker Regional School District / 9,708 |
| 76. | 43.50 | Auburn School District / 4,953 |
| 76. | 43.50 | Exeter Regional Cooperative School District / 32,208 |
| 78. | 43.60 | Mascoma Valley Regional School District / 10,517 |
| 78. | 43.60 | Hill School District / 1,089 |
| 80. | 43.70 | Chichester School District / 2,523 |
| 81. | 43.80 | Greenland School District / 3,549 |
| 82. | 43.90 | Hollis-Brookline Cooperative School District / 12,675 |
| 82. | 43.90 | Marlborough School District / 2,063 |
| 84. | 44.00 | Strafford School District / 3,991 |
| 85. | 44.10 | Littleton School District / 5,928 |
| 85. | 44.10 | Campton School District / 3,333 |
| 87. | 44.20 | Souhegan Cooperative School District / 13,610 |
| 88. | 44.30 | Exeter School District / 14,306 |
| 88. | 44.30 | Northumberland School District / 2,288 |
| 90. | 44.40 | Amherst School District / 11,201 |
| 91. | 44.50 | Candia School District / 3,909 |
| 91. | 44.50 | Conway School District / 10,115 |
| 93. | 44.60 | Seabrook School District / 8,693 |
| 93. | 44.60 | East Kingston School District / 2,357 |
| 93. | 44.60 | Kensington School District / 2,124 |
| 96. | 44.70 | Berlin School District / 10,051 |
| 96. | 44.70 | Mason School District / 1,382 |
| 98. | 44.80 | Fall Mountain Regional School District / 12,364 |
| 99. | 44.90 | Lyndeborough School District / 1,683 |
| 99. | 44.90 | Bow School District / 7,519 |
| 101. | 45.00 | Haverhill Cooperative School District / 4,697 |
| 101. | 45.00 | Rivendell Interstate School District / 1,237 |
| 103. | 45.10 | Chatham School District / 337 |
| 103. | 45.10 | Newfound Area School District / 10,274 |
| 105. | 45.20 | Hampton Falls School District / 2,236 |
| 105. | 45.20 | Warren School District / 904 |
| 105. | 45.20 | Plainfield School District / 2,364 |
| 108. | 45.30 | Lisbon Regional School District / 2,128 |
| 109. | 45.40 | Contoocook Valley School District / 18,677 |
| 110. | 45.50 | Thornton School District / 2,490 |
| 110. | 45.50 | Bethlehem School District / 2,526 |
| 112. | 45.60 | Albany School District / 735 |
| 113. | 45.70 | Hampstead School District / 8,523 |
| 113. | 45.70 | Stoddard School District / 1,232 |
| 115. | 45.80 | Chesterfield School District / 3,604 |
| 115. | 45.80 | Hopkinton School District / 5,589 |
| 115. | 45.80 | Windsor School District / 224 |
| 115. | 45.80 | Colebrook School District / 2,301 |
| 119. | 45.90 | Wakefield School District / 5,078 |
| 119. | 45.90 | Rumney School District / 1,480 |
| 121. | 46.10 | White Mountain Regional School District / 8,662 |
| 122. | 46.20 | Alton School District / 5,250 |
| 122. | 46.20 | Stewartstown School District / 1,004 |
| 122. | 46.20 | Sunapee School District / 3,365 |
| 122. | 46.20 | Kearsarge Regional School District / 15,458 |
| 122. | 46.20 | Nelson School District / 729 |
| 127. | 46.30 | Winnacunnet Cooperative School District / 30,660 |
| 127. | 46.30 | Hollis School District / 7,684 |
| 129. | 46.40 | Lincoln-Woodstock School District / 3,036 |
| 130. | 46.50 | Washington School District / 1,123 |
| 130. | 46.50 | Goshen-Lempster Cooperative School District / 1,964 |
| 130. | 46.50 | Bath School District / 1,077 |
| 133. | 46.80 | Stratford School District / 746 |
| 133. | 46.80 | Piermont School District / 790 |
| 135. | 46.90 | Holderness School District / 2,108 |
| 136. | 47.00 | Hampton School District / 15,430 |
| 137. | 47.20 | South Hampton School District / 814 |
| 137. | 47.20 | Milan School District / 1,337 |
| 139. | 47.30 | Grantham School District / 2,985 |
| 139. | 47.30 | Wentworth School District / 911 |
| 141. | 47.40 | Madison School District / 2,502 |
| 141. | 47.40 | Lyme School District / 1,716 |
| 143. | 47.50 | Hart's Location School District / 41 |
| 144. | 47.60 | Tamworth School District / 2,856 |
| 145. | 47.90 | Westmoreland School District / 1,874 |
| 145. | 47.90 | North Hampton School District / 4,301 |
| 145. | 47.90 | Gilford School District / 7,126 |
| 148. | 48.00 | Croydon School District / 764 |
| 148. | 48.00 | Newington School District / 753 |
| 150. | 48.10 | Marlow School District / 742 |
| 151. | 48.20 | Stark School District / 556 |
| 152. | 48.30 | Dummer School District / 304 |
| 153. | 48.40 | Surry School District / 732 |
| 154. | 48.60 | Governor Wentworth Regional School District / 17,816 |
| 154. | 48.60 | Cornish School District / 1,640 |
| 156. | 48.70 | Gorham Randolph Shelburne Cooperative School District / 3,530 |
| 157. | 48.80 | Rye School District / 5,298 |
| 158. | 48.90 | Profile School District / 4,447 |
| 159. | 49.00 | Bartlett School District / 2,788 |
| 160. | 49.50 | Monroe School District / 788 |
| 161. | 49.60 | Inter-Lakes School District / 8,663 |
| 162. | 49.70 | Unity School District / 1,671 |
| 163. | 50.10 | Landaff School District / 415 |
| 164. | 50.40 | Columbia School District / 757 |
| 165. | 50.50 | Ellsworth School District / 83 |
| 165. | 50.50 | Moultonborough School District / 4,044 |
| 167. | 52.80 | Benton School District / 364 |
| 167. | 52.80 | Harrisville School District / 961 |
| 169. | 53.10 | Errol School District / 291 |
| 169. | 53.10 | Freedom School District / 1,489 |
| 171. | 53.60 | Lafayette Regional School District / 1,921 |
| 172. | 53.80 | Clarksville School District / 265 |
| 173. | 54.30 | Jackson School District / 816 |
| 174. | 55.00 | Pittsburg School District / 869 |
| 175. | 55.20 | Eaton School District / 393 |
| 176. | 55.30 | Waterville Valley School District / 247 |
| 177. | 56.10 | New Castle School District / 968 |
| 178. | 61.00 | Coos County School District / 210 |
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.
