| Rank | Average Household Size ▼ | School District / Population |
| 1. | 3.25 | Tisbury School District / 3,967 |
| 2. | 3.22 | Berkley School District / 6,411 |
| 3. | 3.10 | Sudbury School District / 17,712 |
| 4. | 3.06 | Dover School District / 5,608 |
| 5. | 3.03 | Lincoln-Sudbury School District / 24,154 |
| 6. | 3.02 | Wilmington School District / 22,392 |
| 7. | 3.00 | Hopkinton School District / 14,982 |
| 8. | 3.00 | Chelsea School District / 35,527 |
| 9. | 2.99 | Westford School District / 22,107 |
| 10. | 2.98 | Dover-Sherborn School District / 9,736 |
| 11. | 2.98 | Norwell School District / 10,501 |
| 12. | 2.98 | Medfield School District / 12,067 |
| 13. | 2.96 | Rochester School District / 5,229 |
| 14. | 2.95 | Hanover School District / 13,902 |
| 15. | 2.94 | Sutton School District / 8,964 |
| 16. | 2.93 | Seekonk School District / 13,785 |
| 17. | 2.92 | Boxford School District / 7,990 |
| 18. | 2.92 | Georgetown School District / 8,203 |
| 19. | 2.90 | Dighton-Rehoboth School District / 18,625 |
| 20. | 2.89 | East Bridgewater School District / 13,794 |
| 21. | 2.89 | Sherborn School District / 4,128 |
| 22. | 2.88 | Freetown-Lakeville School District / 19,541 |
| 23. | 2.88 | Southborough School District / 9,745 |
| 24. | 2.87 | Masconomet School District / 23,109 |
| 25. | 2.86 | Norfolk School District / 11,296 |
| 26. | 2.86 | Whitman-Hanson School District / 24,702 |
| 27. | 2.86 | Lincoln School District / 6,442 |
| 28. | 2.85 | Weston School District / 11,430 |
| 29. | 2.85 | Topsfield School District / 6,127 |
| 30. | 2.85 | Edgartown School District / 4,086 |
| 31. | 2.85 | Billerica School District / 40,479 |
| 32. | 2.85 | Harvard School District / 6,505 |
| 33. | 2.85 | Lynnfield School District / 11,628 |
| 34. | 2.84 | Middleton School District / 8,992 |
| 35. | 2.84 | Pembroke School District / 17,831 |
| 36. | 2.84 | Mendon-Upton School District / 13,312 |
| 37. | 2.84 | Medway School District / 12,742 |
| 38. | 2.83 | Lawrence School District / 76,331 |
| 39. | 2.83 | Martha's Vineyard School District / 16,412 |
| 40. | 2.83 | Plympton School District / 2,817 |
| 41. | 2.83 | Tyngsborough School District / 11,484 |
| 42. | 2.82 | North Reading School District / 14,919 |
| 43. | 2.82 | Hamilton-Wenham School District / 12,834 |
| 44. | 2.82 | West Bridgewater School District / 6,907 |
| 45. | 2.81 | Sharon School District / 17,619 |
| 46. | 2.81 | Franklin School District / 31,760 |
| 47. | 2.81 | Mansfield School District / 23,191 |
| 48. | 2.80 | Winchester School District / 21,437 |
| 49. | 2.80 | Dudley-Charlton Regional School District / 24,348 |
| 50. | 2.80 | Groton-Dunstable School District / 13,877 |
| 51. | 2.80 | Nashoba School District / 19,458 |
| 52. | 2.80 | Northborough-Southborough School District / 24,152 |
| 53. | 2.80 | Holliston School District / 13,668 |
| 54. | 2.80 | Wachusett School District / 41,371 |
| 55. | 2.79 | Milton School District / 26,954 |
| 56. | 2.78 | Duxbury School District / 15,040 |
| 57. | 2.78 | Blackstone-Millville School District / 12,198 |
| 58. | 2.78 | Brockton School District / 93,916 |
| 59. | 2.78 | Easton School District / 23,220 |
| 60. | 2.77 | Westwood School District / 14,616 |
| 61. | 2.77 | Wrentham School District / 10,960 |
| 62. | 2.77 | North Attleborough School District / 28,673 |
| 63. | 2.77 | Hancock School District / 718 |
| 63. | 2.77 | Mount Greylock/New Lebanon (NY) School Districts in Hancock (7-12) / 718 |
| 65. | 2.76 | Narragansett School District / 9,906 |
| 66. | 2.76 | Bridgewater-Raynham School District / 40,023 |
| 67. | 2.76 | North Middlesex School District / 23,584 |
| 68. | 2.75 | Northborough School District / 14,407 |
| 69. | 2.74 | Quabbin School District / 15,608 |
| 70. | 2.74 | Norton School District / 19,123 |
| 71. | 2.74 | Middleborough School District / 23,037 |
| 72. | 2.74 | Wellesley School District / 28,188 |
| 73. | 2.73 | Pentucket School District / 17,161 |
| 74. | 2.72 | Uxbridge School District / 13,382 |
| 75. | 2.72 | Grafton School District / 17,692 |
| 76. | 2.72 | King Philip School District / 30,534 |
| 77. | 2.71 | Fairhaven/New Bedford School Districts in Acushnet (9-12) / 10,302 |
| 77. | 2.71 | Acushnet School District / 10,302 |
| 79. | 2.71 | Carlisle School District / 4,870 |
| 80. | 2.71 | Everett School District / 41,621 |
| 81. | 2.71 | Randolph School District / 32,383 |
| 82. | 2.70 | Needham School District / 29,005 |
| 83. | 2.70 | Lexington School District / 31,527 |
| 84. | 2.70 | Douglas School District / 8,432 |
| 85. | 2.70 | Reading School District / 24,753 |
| 86. | 2.70 | Silver Lake School District / 22,950 |
| 87. | 2.70 | Kingston School District / 12,609 |
| 88. | 2.70 | Dracut School District / 29,573 |
| 89. | 2.69 | Cohasset School District / 7,756 |
| 90. | 2.69 | Name N/A / 24,642 |
| 91. | 2.69 | Andover School District / 33,385 |
| 92. | 2.69 | Shrewsbury School District / 35,583 |
| 93. | 2.69 | Oak Bluffs School District / 4,513 |
| 94. | 2.69 | Walpole School District / 24,118 |
| 95. | 2.69 | Hingham School District / 22,136 |
| 96. | 2.68 | Carver School District / 11,497 |
| 97. | 2.68 | Abington School District / 15,930 |
| 98. | 2.68 | Littleton School District / 8,934 |
| 99. | 2.68 | Ashburnham-Westminster School District / 13,359 |
| 100. | 2.67 | Boylston School District / 4,341 |
| 101. | 2.67 | Sandwich School District / 20,645 |
| 102. | 2.67 | Hopedale School District / 5,911 |
| 103. | 2.67 | East Longmeadow School District / 15,710 |
| 104. | 2.67 | Berlin-Boylston School District / 7,197 |
| 105. | 2.66 | Braintree School District / 35,731 |
| 106. | 2.66 | Lynn School District / 90,392 |
| 107. | 2.66 | Acton School District / 21,977 |
| 108. | 2.66 | Methuen School District / 47,238 |
| 109. | 2.66 | Berlin School District / 2,856 |
| 110. | 2.65 | Avon School District / 4,349 |
| 111. | 2.65 | Tewksbury School District / 29,109 |
| 112. | 2.65 | Halifax School District / 7,524 |
| 113. | 2.65 | Burlington School District / 24,575 |
| 114. | 2.65 | Old Rochester School District / 16,212 |
| 115. | 2.65 | Hampden-Wilbraham School District / 19,353 |
| 116. | 2.64 | Springfield School District / 153,278 |
| 117. | 2.64 | Up-Island Regional School District / 3,846 |
| 118. | 2.63 | Revere School District / 51,729 |
| 119. | 2.63 | Attleboro School District / 43,603 |
| 120. | 2.63 | Milford School District / 28,002 |
| 121. | 2.63 | Oxford School District / 13,713 |
| 122. | 2.63 | Granville School District / 1,481 |
| 122. | 2.63 | Southwick-Tolland School District in Granville (9-12) / 1,481 |
| 124. | 2.63 | Auburn School District / 16,221 |
| 125. | 2.63 | Longmeadow School District / 15,803 |
| 126. | 2.63 | Northbridge School District / 15,661 |
| 127. | 2.63 | Bedford School District / 13,407 |
| 128. | 2.63 | North Andover School District / 28,114 |
| 129. | 2.63 | Saugus School District / 26,761 |
| 130. | 2.62 | Acton-Boxborough School District / 26,994 |
| 131. | 2.62 | Scituate School District / 18,128 |
| 132. | 2.62 | Lowell School District / 106,739 |
| 133. | 2.62 | Bellingham School District / 16,304 |
| 134. | 2.61 | Wayland School District / 13,041 |
| 135. | 2.61 | Leicester School District / 10,988 |
| 136. | 2.61 | Millis School District / 7,905 |
| 137. | 2.60 | Southbridge School District / 16,775 |
| 138. | 2.60 | Southwick-Tolland School District / 9,998 |
| 139. | 2.59 | Name N/A / 412,003 |
| 140. | 2.59 | Belchertown School District / 14,593 |
| 141. | 2.59 | Winchendon School District / 10,333 |
| 142. | 2.59 | Marshfield School District / 25,201 |
| 143. | 2.59 | Malden School District / 59,388 |
| 144. | 2.58 | Foxborough School District / 16,864 |
| 145. | 2.57 | Concord-Carlisle School District / 22,951 |
| 146. | 2.57 | Westport School District / 15,499 |
| 147. | 2.57 | Belmont School District / 24,759 |
| 148. | 2.57 | Sturbridge School District / 9,230 |
| 149. | 2.56 | Rockland School District / 17,518 |
| 150. | 2.56 | Clarksburg School District / 1,805 |
| 150. | 2.56 | North Adams School District in Clarksburg (9-12) / 1,805 |
| 152. | 2.56 | Westborough School District / 18,345 |
| 153. | 2.56 | Wales School District / 1,990 |
| 154. | 2.55 | Mattapoisett School District / 6,070 |
| 155. | 2.55 | Taunton School District / 55,951 |
| 156. | 2.55 | Westhampton School District / 1,592 |
| 157. | 2.55 | Fitchburg School District / 40,314 |
| 158. | 2.54 | Dartmouth School District / 34,117 |
| 159. | 2.54 | Somerset School District / 18,231 |
| 160. | 2.54 | Tantasqua School District / 20,685 |
| 161. | 2.54 | Millbury School District / 13,270 |
| 162. | 2.54 | Swansea School District / 15,911 |
| 163. | 2.54 | Brimfield School District / 3,610 |
| 164. | 2.54 | Ashland School District / 16,587 |
| 165. | 2.54 | Concord School District / 18,081 |
| 166. | 2.54 | Lunenburg School District / 10,356 |
| 167. | 2.53 | Manchester Essex Regional School District / 8,678 |
| 168. | 2.53 | Stoughton School District / 27,249 |
| 169. | 2.53 | Spencer-East Brookfield School District / 13,865 |
| 170. | 2.52 | Marblehead School District / 19,879 |
| 171. | 2.52 | Plymouth School District / 56,574 |
| 172. | 2.52 | Athol-Royalston School District / 12,642 |
| 173. | 2.52 | Canton School District / 21,596 |
| 174. | 2.52 | Triton School District / 20,832 |
| 175. | 2.51 | Brookfield School District / 3,378 |
| 176. | 2.51 | Newton School District / 85,177 |
| 177. | 2.51 | Danvers School District / 26,568 |
| 178. | 2.51 | Plainville School District / 8,278 |
| 179. | 2.51 | Wakefield School District / 25,118 |
| 180. | 2.51 | Holbrook School District / 10,789 |
| 181. | 2.51 | Westfield School District / 41,162 |
| 182. | 2.50 | Chelmsford School District / 33,931 |
| 183. | 2.49 | Southampton School District / 5,828 |
| 184. | 2.49 | Monson School District / 8,580 |
| 185. | 2.49 | Haverhill School District / 60,953 |
| 186. | 2.49 | Marion School District / 4,913 |
| 187. | 2.49 | Woburn School District / 38,231 |
| 188. | 2.48 | Holland School District / 2,477 |
| 189. | 2.48 | Amherst School District / 38,399 |
| 190. | 2.48 | Ludlow School District / 21,146 |
| 191. | 2.48 | Gateway School District / 8,886 |
| 192. | 2.48 | Central Berkshire School District / 14,093 |
| 193. | 2.47 | Boxborough School District / 5,017 |
| 194. | 2.47 | Dedham School District / 24,716 |
| 195. | 2.47 | Clinton School District / 13,618 |
| 196. | 2.46 | Amherst-Pelham School District / 43,287 |
| 197. | 2.46 | Conway School District / 1,828 |
| 198. | 2.46 | Erving School District / 1,737 |
| 198. | 2.46 | Gill-Montague School District in Erving (7-12) / 1,737 |
| 200. | 2.45 | West Boylston School District / 7,697 |
| 201. | 2.45 | Gardner School District / 20,250 |
| 202. | 2.45 | Leominster School District / 40,879 |
| 203. | 2.44 | Framingham School District / 68,689 |
| 204. | 2.44 | Quaboag Regional School District / 8,834 |
| 205. | 2.44 | Petersham School District / 1,232 |
| 206. | 2.44 | Hudson School District / 19,077 |
| 207. | 2.44 | Sunderland School District / 3,690 |
| 208. | 2.44 | Agawam School District / 28,476 |
| 209. | 2.43 | Nantucket School District / 10,194 |
| 210. | 2.43 | Name N/A / 14,832 |
| 211. | 2.43 | Worcester School District / 181,473 |
| 212. | 2.43 | Natick School District / 33,071 |
| 213. | 2.42 | Holyoke School District / 39,996 |
| 214. | 2.42 | Swampscott School District / 13,823 |
| 215. | 2.42 | Norwood School District / 28,580 |
| 216. | 2.42 | Hampshire School District / 12,284 |
| 217. | 2.41 | Mashpee School District / 13,950 |
| 218. | 2.41 | Wareham School District / 21,928 |
| 219. | 2.41 | Pittsfield School District in Richmond (9-12) / 1,600 |
| 219. | 2.41 | Richmond School District / 1,600 |
| 221. | 2.41 | West Springfield School District / 28,411 |
| 222. | 2.40 | Lanesborough School District / 3,288 |
| 223. | 2.40 | Leverett School District / 1,812 |
| 224. | 2.39 | Chesterfield-Goshen School District / 2,233 |
| 225. | 2.39 | Amesbury School District / 16,344 |
| 226. | 2.39 | Peabody School District / 51,215 |
| 227. | 2.39 | Marlborough School District / 38,491 |
| 228. | 2.39 | Hadley School District / 5,239 |
| 229. | 2.39 | Palmer School District / 12,159 |
| 230. | 2.39 | Frontier School District / 12,187 |
| 231. | 2.38 | Pelham School District / 1,321 |
| 232. | 2.38 | Melrose School District / 27,043 |
| 233. | 2.38 | Beverly School District / 39,748 |
| 234. | 2.38 | New Bedford School District / 94,952 |
| 235. | 2.38 | Whately School District / 1,562 |
| 236. | 2.37 | Granby School District / 6,245 |
| 237. | 2.37 | Ipswich School District / 13,271 |
| 238. | 2.37 | Stoneham School District / 21,414 |
| 239. | 2.37 | Weymouth School District / 53,933 |
| 240. | 2.37 | North Brookfield School District / 4,681 |
| 241. | 2.37 | Shutesbury School District / 1,755 |
| 242. | 2.36 | Fairhaven School District / 15,893 |
| 243. | 2.36 | Medford School District / 56,255 |
| 244. | 2.36 | Maynard School District / 10,151 |
| 245. | 2.36 | Gloucester School District / 28,937 |
| 246. | 2.35 | Chicopee School District / 55,326 |
| 247. | 2.35 | Orange School District / 7,831 |
| 248. | 2.35 | Gosnold School District / 169 |
| 249. | 2.35 | Ralph C. Mahar School District / 11,109 |
| 250. | 2.34 | Lee School District / 6,290 |
| 251. | 2.33 | Webster School District / 16,760 |
| 252. | 2.33 | Deerfield School District / 5,107 |
| 253. | 2.32 | Somerville School District / 75,974 |
| 254. | 2.32 | Mohawk Trail School District / 8,365 |
| 255. | 2.32 | Pioneer Valley School District / 6,504 |
| 256. | 2.32 | Fall River School District / 89,049 |
| 257. | 2.31 | Boston School District / 619,662 |
| 258. | 2.31 | Bourne School District / 19,710 |
| 259. | 2.31 | Farmington River Regional School District / 2,195 |
| 259. | 2.31 | Lee/Berkshire Hills in Farmington River Regional (7-12) / 2,195 |
| 261. | 2.31 | Savoy School District / 663 |
| 261. | 2.31 | Adams-Cheshire School District in Savoy (7-12) / 663 |
| 263. | 2.29 | Adams-Cheshire School District / 11,693 |
| 264. | 2.29 | Winthrop School District / 17,584 |
| 265. | 2.28 | Newburyport School District / 17,460 |
| 266. | 2.28 | Gill-Montague School District / 10,011 |
| 267. | 2.28 | Rowe School District / 452 |
| 267. | 2.28 | Mohawk Trail School District in Rowe (7-12) / 452 |
| 269. | 2.28 | Waltham School District / 60,836 |
| 270. | 2.28 | New Salem-Wendell School District / 2,046 |
| 271. | 2.28 | Quincy School District / 92,078 |
| 272. | 2.27 | Mohawk Trail Regional School District in Hawley and Charlemont towns / 1,677 |
| 272. | 2.27 | Hawlemont School District / 1,677 |
| 274. | 2.27 | Ware School District / 9,866 |
| 275. | 2.26 | Brookline School District / 58,634 |
| 276. | 2.25 | Rockport School District / 7,018 |
| 277. | 2.24 | Southern Berkshire School District / 7,202 |
| 278. | 2.24 | Berkshire Hills School District / 10,566 |
| 279. | 2.24 | Arlington School District / 42,952 |
| 280. | 2.24 | Salem School District / 41,641 |
| 281. | 2.23 | Barnstable School District / 45,170 |
| 282. | 2.22 | Watertown School District / 32,073 |
| 283. | 2.22 | Brewster School District / 9,836 |
| 284. | 2.21 | Williamsburg School District / 2,631 |
| 285. | 2.20 | Mount Greylock School District / 11,045 |
| 286. | 2.19 | Greenfield School District / 17,543 |
| 287. | 2.18 | Falmouth School District / 31,589 |
| 288. | 2.18 | Hull School District / 10,342 |
| 289. | 2.18 | Pittsfield School District / 44,542 |
| 290. | 2.17 | Harwich School District / 12,253 |
| 291. | 2.17 | Easthampton School District / 16,030 |
| 292. | 2.14 | South Hadley School District / 17,657 |
| 293. | 2.14 | North Adams School District / 13,725 |
| 294. | 2.14 | Swampscott School District in Nahant (7-12) / 3,438 |
| 294. | 2.14 | Nahant School District / 3,438 |
| 296. | 2.13 | Hatfield School District / 3,271 |
| 297. | 2.13 | Eastham School District / 4,983 |
| 298. | 2.13 | Lenox School District / 5,011 |
| 299. | 2.11 | North Adams School District in Florida (9-12) / 715 |
| 300. | 2.10 | Williamstown School District / 7,757 |
| 301. | 2.10 | Northampton School District / 28,642 |
| 302. | 2.09 | Nauset School District / 23,822 |
| 303. | 2.08 | Dennis-Yarmouth School District / 38,091 |
| 304. | 2.07 | Orleans School District / 5,905 |
| 305. | 2.05 | Chatham School District / 6,164 |
| 306. | 2.05 | Florida School District / 820 |
| 307. | 2.03 | Cambridge School District / 105,026 |
| 308. | 2.03 | Nauset/Provincetown School Districts in Turo (7-12) / 1,653 |
| 308. | 2.03 | Truro School District / 1,653 |
| 310. | 1.77 | Wellfleet School District / 3,098 |
| 311. | 1.72 | North Adams School District in Monroe (9-12) / 105 |
| 312. | 1.61 | Provincetown School District / 2,974 |
Please note that we only rank locations with 'Average Household Size' data. The rank above might not be a complete list. Locations without 'Average Household Size' 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.
