| Rank | Average Family Size ▼ | School District / Population |
| 1. | 4.03 | Benton School District / 482 |
| 2. | 3.50 | Plymouth School District / 6,902 |
| 3. | 3.45 | Pittsfield School District / 4,082 |
| 4. | 3.40 | Pelham School District / 13,032 |
| 5. | 3.36 | Rivendell Interstate School District / 1,572 |
| 6. | 3.36 | Brookline School District / 5,051 |
| 7. | 3.35 | Brentwood School District / 4,598 |
| 8. | 3.30 | Litchfield School District / 8,329 |
| 9. | 3.29 | Middleton School District / 1,567 |
| 10. | 3.27 | New Boston School District / 5,390 |
| 11. | 3.26 | Chester School District / 4,802 |
| 12. | 3.26 | Amherst School District / 11,234 |
| 13. | 3.25 | Bedford School District / 21,449 |
| 14. | 3.25 | Mascenic Regional School District / 7,497 |
| 15. | 3.24 | Hillsboro-Deering Cooperative School District / 7,766 |
| 16. | 3.24 | Weare School District / 8,849 |
| 17. | 3.24 | Souhegan Cooperative School District / 13,742 |
| 18. | 3.23 | John Stark Regional School District / 13,671 |
| 19. | 3.23 | Henniker School District / 4,822 |
| 20. | 3.23 | Hudson School District / 24,584 |
| 21. | 3.22 | Strafford School District / 4,017 |
| 22. | 3.22 | Londonderry School District / 24,247 |
| 23. | 3.22 | Name N/A / 741 |
| 24. | 3.21 | Windham School District / 13,943 |
| 25. | 3.21 | Milton School District / 4,592 |
| 26. | 3.20 | Hollis-Brookline Cooperative School District / 12,772 |
| 27. | 3.19 | Franklin School District / 8,462 |
| 28. | 3.19 | Pembroke School District / 7,121 |
| 29. | 3.17 | Wentworth School District / 896 |
| 30. | 3.16 | Farmington School District / 6,824 |
| 31. | 3.16 | Raymond School District / 10,202 |
| 32. | 3.16 | Nashua School District / 86,799 |
| 33. | 3.15 | Lisbon Regional School District / 2,165 |
| 34. | 3.15 | Mont Vernon School District / 2,508 |
| 35. | 3.15 | Wilton-Lyndeboro School District / 5,312 |
| 36. | 3.15 | Merrimack Valley School District / 17,295 |
| 37. | 3.14 | Manchester School District / 110,065 |
| 38. | 3.14 | East Kingston School District / 2,453 |
| 39. | 3.13 | Derry School District / 33,180 |
| 40. | 3.13 | Salem School District / 28,841 |
| 41. | 3.13 | Warren School District / 726 |
| 42. | 3.13 | Auburn School District / 5,078 |
| 43. | 3.13 | Timberlane Regional School District / 24,958 |
| 44. | 3.12 | Merrimack School District / 25,563 |
| 45. | 3.12 | Hill School District / 1,164 |
| 46. | 3.11 | Claremont School District / 13,169 |
| 47. | 3.11 | Mason School District / 1,329 |
| 48. | 3.11 | Albany School District / 800 |
| 49. | 3.11 | Goshen-Lempster Cooperative School District / 1,910 |
| 50. | 3.11 | Kensington School District / 2,055 |
| 51. | 3.10 | Hampstead School District / 8,543 |
| 52. | 3.10 | Plainfield School District / 2,518 |
| 53. | 3.10 | Hollis School District / 7,721 |
| 54. | 3.10 | Deerfield School District / 4,330 |
| 55. | 3.10 | Newfields School District / 1,625 |
| 56. | 3.09 | Newmarket School District / 8,928 |
| 57. | 3.09 | Concord School District / 37,821 |
| 58. | 3.09 | Oyster River Cooperative School District / 21,540 |
| 59. | 3.08 | Somersworth School District / 11,765 |
| 60. | 3.08 | Shaker Regional School District / 9,610 |
| 61. | 3.08 | Grantham School District / 2,970 |
| 62. | 3.07 | Stark School District / 490 |
| 63. | 3.06 | Dover School District / 30,332 |
| 64. | 3.06 | Rollinsford School District / 2,528 |
| 65. | 3.05 | Chichester School District / 2,552 |
| 66. | 3.05 | Exeter Regional Cooperative School District / 32,468 |
| 67. | 3.05 | Rochester School District / 29,883 |
| 68. | 3.05 | Nottingham School District / 4,855 |
| 69. | 3.05 | Bow School District / 7,611 |
| 70. | 3.04 | Stratham School District / 7,303 |
| 71. | 3.04 | Haverhill Cooperative School District / 4,665 |
| 72. | 3.04 | Lyme School District / 1,733 |
| 73. | 3.04 | Pemi-Baker Regional School District / 19,440 |
| 74. | 3.04 | Barrington School District / 8,691 |
| 75. | 3.04 | Jaffrey-Rindge Cooperative School District / 11,374 |
| 76. | 3.03 | Westmoreland School District / 2,066 |
| 77. | 3.03 | Hinsdale School District / 3,995 |
| 78. | 3.03 | Cornish School District / 1,601 |
| 79. | 3.03 | Milford School District / 15,133 |
| 80. | 3.03 | Epsom School District / 4,597 |
| 81. | 3.02 | Lincoln-Woodstock School District / 2,446 |
| 82. | 3.02 | Name N/A / 364,063 |
| 83. | 3.02 | South Hampton School District / 799 |
| 84. | 3.01 | Stratford School District / 710 |
| 85. | 3.01 | Ashland School District / 2,066 |
| 86. | 3.01 | Gilmanton School District / 3,778 |
| 87. | 3.01 | Hooksett School District / 13,669 |
| 88. | 3.00 | Fremont School District / 4,375 |
| 89. | 3.00 | Sanborn Regional School District / 10,777 |
| 90. | 3.00 | Hopkinton School District / 5,591 |
| 91. | 3.00 | Newfound Area School District / 10,699 |
| 92. | 3.00 | Monadnock Regional School District / 13,906 |
| 93. | 3.00 | Hart's Location School District / 41 |
| 94. | 3.00 | Monroe School District / 906 |
| 95. | 2.99 | Hanover School District / 11,311 |
| 95. | 2.99 | Dresden School District / 11,311 |
| 97. | 2.99 | Goffstown School District / 17,765 |
| 98. | 2.99 | Candia School District / 3,920 |
| 99. | 2.98 | Bethlehem School District / 2,537 |
| 100. | 2.98 | Unity School District / 1,592 |
| 101. | 2.98 | Epping School District / 6,587 |
| 102. | 2.98 | Fall Mountain Regional School District / 12,383 |
| 103. | 2.98 | Dunbarton School District / 2,779 |
| 104. | 2.98 | Nelson School District / 606 |
| 105. | 2.98 | Alton School District / 5,270 |
| 106. | 2.98 | Contoocook Valley School District / 18,773 |
| 107. | 2.97 | Croydon School District / 651 |
| 108. | 2.97 | Allenstown School District / 4,303 |
| 109. | 2.97 | Hampton Falls School District / 2,307 |
| 110. | 2.96 | Rumney School District / 1,676 |
| 111. | 2.96 | Mascoma Valley Regional School District / 10,379 |
| 112. | 2.95 | Winchester School District / 4,302 |
| 113. | 2.95 | Littleton School District / 5,942 |
| 114. | 2.94 | Greenland School District / 3,668 |
| 115. | 2.94 | Winnisquam Regional School District / 11,373 |
| 116. | 2.94 | Chatham School District / 393 |
| 117. | 2.94 | Prospect Mountain High School Joint Maintenance Agreement District / 9,875 |
| 118. | 2.94 | Exeter School District / 14,434 |
| 119. | 2.92 | Laconia School District / 16,007 |
| 120. | 2.92 | Marlow School District / 753 |
| 121. | 2.91 | Piermont School District / 754 |
| 122. | 2.91 | Holderness School District / 2,093 |
| 123. | 2.91 | Northwood School District / 4,269 |
| 124. | 2.90 | Andover School District / 2,428 |
| 125. | 2.90 | Barnstead School District / 4,605 |
| 126. | 2.88 | Governor Wentworth Regional School District / 17,584 |
| 127. | 2.88 | Dummer School District / 348 |
| 128. | 2.87 | Newington School District / 800 |
| 129. | 2.86 | Northumberland School District / 2,179 |
| 130. | 2.86 | Kearsarge Regional School District / 15,539 |
| 131. | 2.84 | Profile School District / 4,566 |
| 132. | 2.84 | Thornton School District / 2,490 |
| 133. | 2.84 | Campton School District / 3,317 |
| 134. | 2.83 | Gilford School District / 7,142 |
| 135. | 2.83 | Seabrook School District / 8,747 |
| 136. | 2.83 | Portsmouth School District / 21,366 |
| 137. | 2.83 | Winnacunnet Cooperative School District / 30,471 |
| 138. | 2.82 | Marlborough School District / 1,840 |
| 139. | 2.82 | North Hampton School District / 4,344 |
| 140. | 2.82 | Bath School District / 872 |
| 141. | 2.82 | Waterville Valley School District / 260 |
| 142. | 2.82 | Windsor School District / 269 |
| 143. | 2.81 | Lebanon School District / 13,474 |
| 144. | 2.80 | Keene School District / 23,281 |
| 145. | 2.80 | Hampton School District / 15,073 |
| 146. | 2.80 | Newport School District / 6,434 |
| 147. | 2.79 | Inter-Lakes School District / 8,799 |
| 148. | 2.79 | Chesterfield School District / 3,601 |
| 149. | 2.79 | White Mountain Regional School District / 8,397 |
| 150. | 2.74 | Jackson School District / 1,032 |
| 151. | 2.72 | Sunapee School District / 3,363 |
| 152. | 2.71 | Rye School District / 5,315 |
| 153. | 2.70 | Freedom School District / 1,195 |
| 154. | 2.69 | Conway School District / 10,054 |
| 155. | 2.69 | Wakefield School District / 5,046 |
| 156. | 2.69 | Lafayette Regional School District / 2,029 |
| 157. | 2.68 | Berlin School District / 9,710 |
| 158. | 2.68 | Stoddard School District / 1,124 |
| 159. | 2.68 | Gorham Randolph Shelburne Cooperative School District / 3,547 |
| 160. | 2.66 | Columbia School District / 726 |
| 161. | 2.64 | Madison School District / 2,507 |
| 162. | 2.63 | Colebrook School District / 2,340 |
| 163. | 2.62 | Moultonborough School District / 4,032 |
| 164. | 2.60 | Washington School District / 1,013 |
| 165. | 2.59 | Milan School District / 1,307 |
| 166. | 2.56 | Bartlett School District / 2,767 |
| 167. | 2.53 | Ellsworth School District / 61 |
| 168. | 2.52 | Landaff School District / 416 |
| 169. | 2.51 | Surry School District / 828 |
| 170. | 2.51 | New Castle School District / 980 |
| 171. | 2.47 | Eaton School District / 348 |
| 172. | 2.43 | Stewartstown School District / 811 |
| 173. | 2.43 | Tamworth School District / 2,851 |
| 174. | 2.41 | Harrisville School District / 911 |
| 175. | 2.41 | Clarksville School District / 315 |
| 176. | 2.39 | Pittsburg School District / 875 |
| 177. | 2.26 | Errol School District / 301 |
| 178. | 2.21 | Coos County School District / 266 |
Please note that we only rank locations with 'Average Family Size' data. The rank above might not be a complete list. Locations without 'Average Family Size' data are not listed.
