| Rank | Population Density ▼ | School District / Population |
| 1. | 18,378.3/sq mi | Somerville School District / 77,560 |
| 2. | 15,083.4/sq mi | Chelsea School District / 37,084 |
| 3. | 15,034.1/sq mi | Cambridge School District / 106,844 |
| 4. | 11,867.8/sq mi | Malden School District / 60,309 |
| 5. | 11,655.3/sq mi | Everett School District / 42,758 |
| 6. | 10,446.7/sq mi | Lawrence School District / 77,364 |
| 7. | 8,662.3/sq mi | Brookline School District / 59,016 |
| 8. | 7,987.9/sq mi | Watertown School District / 32,880 |
| 9. | 7,960.9/sq mi | Arlington School District / 43,728 |
| 10. | 7,468.8/sq mi | Lowell School District / 108,491 |
| 11. | 7,135.1/sq mi | Boston School District / 639,594 |
| 12. | 6,750.2/sq mi | Lynn School District / 91,289 |
| 13. | 6,581.1/sq mi | Medford School District / 56,981 |
| 14. | 5,774.9/sq mi | Melrose School District / 27,509 |
| 15. | 5,330.2/sq mi | Belmont School District / 25,173 |
| 16. | 5,268.2/sq mi | Revere School District / 53,258 |
| 17. | 4,786.6/sq mi | Newton School District / 86,945 |
| 18. | 4,746.0/sq mi | Worcester School District / 182,511 |
| 19. | 4,651.4/sq mi | Springfield School District / 153,836 |
| 20. | 4,501.4/sq mi | Waltham School District / 61,908 |
| 21. | 4,379.5/sq mi | Brockton School District / 94,267 |
| 22. | 3,931.5/sq mi | New Bedford School District / 94,873 |
| 23. | 3,453.5/sq mi | Quincy School District / 92,920 |
| 24. | 3,446.0/sq mi | Winchester School District / 21,863 |
| 25. | 3,250.1/sq mi | Stoneham School District / 21,611 |
| 26. | 3,247.2/sq mi | Wakefield School District / 25,835 |
| 27. | 3,181.0/sq mi | Randolph School District / 33,135 |
| 28. | 3,088.8/sq mi | Peabody School District / 51,868 |
| 29. | 2,999.0/sq mi | Woburn School District / 38,826 |
| 30. | 2,743.0/sq mi | Wellesley School District / 28,858 |
| 31. | 2,739.1/sq mi | Norwood School District / 28,844 |
| 32. | 2,637.6/sq mi | Framingham School District / 69,900 |
| 33. | 2,537.3/sq mi | Weymouth School District / 54,815 |
| 34. | 2,524.6/sq mi | Reading School District / 25,176 |
| 35. | 2,509.3/sq mi | Braintree School District / 36,543 |
| 36. | 2,358.4/sq mi | Dedham School District / 25,111 |
| 37. | 2,329.1/sq mi | Chicopee School District / 55,603 |
| 38. | 2,322.7/sq mi | Needham School District / 29,540 |
| 39. | 2,319.4/sq mi | Saugus School District / 27,369 |
| 40. | 2,314.2/sq mi | Salem School District / 42,321 |
| 41. | 2,205.4/sq mi | Fall River School District / 88,756 |
| 42. | 2,162.8/sq mi | Winthrop School District / 17,992 |
| 43. | 2,144.7/sq mi | Natick School District / 34,230 |
| 44. | 2,124.0/sq mi | Burlington School District / 25,190 |
| 45. | 2,090.5/sq mi | Methuen School District / 48,159 |
| 46. | 2,073.1/sq mi | Swampscott School District / 13,912 |
| 47. | 2,045.3/sq mi | Milton School District / 27,204 |
| 48. | 1,941.0/sq mi | Lexington School District / 32,306 |
| 49. | 1,920.5/sq mi | Maynard School District / 10,314 |
| 50. | 1,909.0/sq mi | Danvers School District / 27,075 |
| 51. | 1,881.5/sq mi | Clinton School District / 13,675 |
| 52. | 1,877.0/sq mi | Milford School District / 28,203 |
| 53. | 1,786.9/sq mi | Beverly School District / 40,370 |
| 54. | 1,771.0/sq mi | Marlborough School District / 39,141 |
| 55. | 1,755.2/sq mi | Holyoke School District / 40,079 |
| 56. | 1,733.6/sq mi | Haverhill School District / 61,769 |
| 57. | 1,692.5/sq mi | Rockland School District / 17,616 |
| 58. | 1,690.5/sq mi | Stoughton School District / 27,833 |
| 59. | 1,660.5/sq mi | Shrewsbury School District / 36,114 |
| 60. | 1,657.0/sq mi | Newburyport School District / 17,662 |
| 61. | 1,646.1/sq mi | Longmeadow School District / 15,858 |
| 62. | 1,640.4/sq mi | Hudson School District / 19,464 |
| 63. | 1,629.7/sq mi | West Springfield School District / 28,554 |
| 64. | 1,626.0/sq mi | Abington School District / 16,081 |
| 65. | 1,575.2/sq mi | Billerica School District / 41,446 |
| 66. | 1,574.2/sq mi | Attleboro School District / 43,774 |
| 67. | 1,535.4/sq mi | Somerset School District / 18,262 |
| 68. | 1,494.3/sq mi | Chelmsford School District / 34,495 |
| 69. | 1,484.3/sq mi | Holbrook School District / 10,925 |
| 70. | 1,483.5/sq mi | North Attleborough School District / 28,779 |
| 71. | 1,437.6/sq mi | Fitchburg School District / 40,419 |
| 72. | 1,419.0/sq mi | Dracut School District / 30,350 |
| 73. | 1,415.5/sq mi | Amherst School District / 39,260 |
| 74. | 1,406.6/sq mi | Tewksbury School District / 29,718 |
| 75. | 1,380.0/sq mi | Leominster School District / 40,954 |
| 76. | 1,335.1/sq mi | Wilmington School District / 22,907 |
| 77. | 1,326.1/sq mi | Westwood School District / 14,809 |
| 78. | 1,319.9/sq mi | Ashland School District / 16,985 |
| 79. | 1,217.2/sq mi | East Longmeadow School District / 15,917 |
| 80. | 1,206.2/sq mi | Amesbury School District / 16,554 |
| 81. | 1,198.5/sq mi | Franklin School District / 32,393 |
| 82. | 1,181.0/sq mi | Easthampton School District / 16,066 |
| 83. | 1,175.5/sq mi | Agawam School District / 28,626 |
| 84. | 1,167.0/sq mi | Walpole School District / 24,571 |
| 85. | 1,157.9/sq mi | Taunton School District / 56,056 |
| 86. | 1,152.0/sq mi | Lynnfield School District / 12,058 |
| 87. | 1,150.6/sq mi | Webster School District / 16,806 |
| 88. | 1,145.3/sq mi | Mansfield School District / 23,389 |
| 89. | 1,133.6/sq mi | Fairhaven School District / 15,971 |
| 90. | 1,129.8/sq mi | North Reading School District / 15,249 |
| 91. | 1,123.5/sq mi | Canton School District / 22,036 |
| 92. | 1,114.2/sq mi | Acton School District / 22,614 |
| 93. | 1,110.7/sq mi | Medway School District / 12,965 |
| 94. | 1,110.7/sq mi | Hopedale School District / 5,934 |
| 95. | 1,098.9/sq mi | Whitman-Hanson School District / 24,959 |
| 96. | 1,064.7/sq mi | Andover School District / 34,251 |
| 97. | 1,044.0/sq mi | North Andover School District / 28,963 |
| 98. | 1,041.5/sq mi | Pittsfield School District / 44,226 |
| 99. | 1,029.3/sq mi | Marblehead School District / 20,163 |
| 100. | 996.5/sq mi | Bedford School District / 13,788 |
| 101. | 992.8/sq mi | Auburn School District / 16,294 |
| 102. | 974.3/sq mi | Avon School District / 4,421 |
| 103. | 964.5/sq mi | South Hadley School District / 17,745 |
| 104. | 902.7/sq mi | Acton-Boxborough School District / 27,716 |
| 105. | 899.7/sq mi | Hanover School District / 14,120 |
| 106. | 891.7/sq mi | Northbridge School District / 16,100 |
| 107. | 880.7/sq mi | Gardner School District / 20,279 |
| 108. | 876.5/sq mi | Bellingham School District / 16,564 |
| 109. | 873.1/sq mi | Westfield School District / 41,371 |
| 110. | 862.1/sq mi | Westborough School District / 18,481 |
| 111. | 857.0/sq mi | Hingham School District / 22,550 |
| 112. | 839.0/sq mi | Wayland School District / 13,294 |
| 113. | 836.0/sq mi | Medfield School District / 12,236 |
| 114. | 822.1/sq mi | Bridgewater-Raynham School District / 40,448 |
| 115. | 821.6/sq mi | Foxborough School District / 17,129 |
| 116. | 812.2/sq mi | Millbury School District / 13,350 |
| 117. | 805.6/sq mi | Easton School District / 23,548 |
| 118. | 802.5/sq mi | Southbridge School District / 16,775 |
| 119. | 801.0/sq mi | Northampton School District / 28,637 |
| 120. | 800.7/sq mi | Marshfield School District / 25,430 |
| 121. | 799.0/sq mi | Greenfield School District / 17,484 |
| 122. | 798.2/sq mi | East Bridgewater School District / 13,996 |
| 123. | 783.2/sq mi | Ayer School District / 7,427 |
| 124. | 781.1/sq mi | Northborough School District / 14,644 |
| 125. | 774.0/sq mi | Grafton School District / 18,047 |
| 126. | 766.8/sq mi | Pembroke School District / 18,006 |
| 127. | 758.9/sq mi | Seekonk School District / 14,131 |
| 128. | 752.2/sq mi | Ludlow School District / 21,288 |
| 129. | 749.8/sq mi | Blackstone-Millville School District / 12,263 |
| 130. | 748.8/sq mi | Dennis-Yarmouth School District / 37,793 |
| 131. | 748.5/sq mi | Norfolk School District / 11,529 |
| 132. | 745.0/sq mi | Plainville School District / 8,581 |
| 133. | 735.2/sq mi | Sudbury School District / 18,197 |
| 134. | 735.0/sq mi | Holliston School District / 14,008 |
| 135. | 733.0/sq mi | Sharon School District / 17,879 |
| 136. | 728.8/sq mi | Concord School District / 18,834 |
| 137. | 728.6/sq mi | Westford School District / 22,854 |
| 138. | 715.0/sq mi | Northborough-Southborough School District / 24,513 |
| 139. | 704.5/sq mi | Gloucester School District / 29,237 |
| 140. | 675.3/sq mi | Weston School District / 11,704 |
| 141. | 658.0/sq mi | North Adams School District / 13,563 |
| 142. | 657.7/sq mi | Norton School District / 19,280 |
| 143. | 656.2/sq mi | Tyngsborough School District / 11,867 |
| 144. | 653.4/sq mi | Millis School District / 8,007 |
| 145. | 640.2/sq mi | Middleton School District / 9,273 |
| 146. | 638.7/sq mi | Lincoln-Sudbury School District / 25,378 |
| 147. | 637.2/sq mi | Georgetown School District / 8,379 |
| 148. | 635.2/sq mi | Southborough School District / 9,869 |
| 149. | 632.9/sq mi | Swansea School District / 16,005 |
| 150. | 631.5/sq mi | King Philip School District / 31,279 |
| 151. | 626.4/sq mi | Kingston School District / 12,846 |
| 152. | 586.2/sq mi | Barnstable School District / 44,750 |
| 153. | 580.1/sq mi | Falmouth School District / 31,576 |
| 154. | 575.5/sq mi | Concord-Carlisle School District / 23,801 |
| 155. | 573.1/sq mi | Scituate School District / 18,240 |
| 156. | 569.8/sq mi | Hamilton-Wenham School District / 13,137 |
| 157. | 562.3/sq mi | West Boylston School District / 7,792 |
| 158. | 559.5/sq mi | Hopkinton School District / 15,604 |
| 159. | 545.1/sq mi | Fairhaven/New Bedford School Districts in Acushnet (9-12) / 10,329 |
| 159. | 545.1/sq mi | Acushnet School District / 10,329 |
| 161. | 537.1/sq mi | Pentucket School District / 17,711 |
| 162. | 522.7/sq mi | Littleton School District / 9,157 |
| 163. | 513.6/sq mi | Mashpee School District / 13,988 |
| 164. | 502.0/sq mi | Oxford School District / 13,772 |
| 165. | 501.4/sq mi | Norwell School District / 10,651 |
| 166. | 494.0/sq mi | Wrentham School District / 11,169 |
| 167. | 490.4/sq mi | Topsfield School District / 6,286 |
| 168. | 490.2/sq mi | Boxborough School District / 5,102 |
| 169. | 480.6/sq mi | Wareham School District / 22,247 |
| 170. | 479.4/sq mi | Lincoln School District / 7,181 |
| 171. | 466.0/sq mi | Sandwich School District / 20,605 |
| 172. | 464.5/sq mi | Hampden-Wilbraham School District / 19,537 |
| 173. | 457.7/sq mi | Masconomet School District / 23,664 |
| 174. | 452.6/sq mi | Leicester School District / 11,147 |
| 175. | 452.5/sq mi | Shirley School District / 7,211 |
| 175. | 452.5/sq mi | Ayer/Lunenberg School Districts in Shirley (9-12) / 7,211 |
| 177. | 449.7/sq mi | Uxbridge School District / 13,609 |
| 178. | 445.4/sq mi | West Bridgewater School District / 6,981 |
| 179. | 439.9/sq mi | Silver Lake School District / 23,315 |
| 180. | 438.6/sq mi | Halifax School District / 7,629 |
| 181. | 428.6/sq mi | Plymouth School District / 57,414 |
| 182. | 423.9/sq mi | Amherst-Pelham School District / 44,250 |
| 183. | 404.4/sq mi | Duxbury School District / 15,208 |
| 184. | 403.6/sq mi | Rockport School District / 7,078 |
| 185. | 389.2/sq mi | Lunenburg School District / 10,797 |
| 186. | 387.4/sq mi | Brewster School District / 9,858 |
| 187. | 384.3/sq mi | Hull School District / 10,324 |
| 188. | 380.2/sq mi | Palmer School District / 12,155 |
| 189. | 377.1/sq mi | Dudley-Charlton Regional School District / 24,759 |
| 190. | 373.6/sq mi | Bourne School District / 19,749 |
| 191. | 372.5/sq mi | Berkley School District / 6,492 |
| 192. | 371.1/sq mi | Dover School District / 5,727 |
| 193. | 369.5/sq mi | Harwich School District / 12,243 |
| 194. | 367.9/sq mi | Somerset School District in Berkley (9-12) / 6,411 |
| 195. | 352.5/sq mi | Dartmouth School District / 34,384 |
| 196. | 340.2/sq mi | Mendon-Upton School District / 13,536 |
| 197. | 332.1/sq mi | Boxford School District / 8,105 |
| 198. | 330.5/sq mi | Triton School District / 21,284 |
| 199. | 326.2/sq mi | Middleborough School District / 23,541 |
| 200. | 320.2/sq mi | Carlisle School District / 4,967 |
| 201. | 317.1/sq mi | Ipswich School District / 13,480 |
| 202. | 315.4/sq mi | Spencer-East Brookfield School District / 14,009 |
| 203. | 313.9/sq mi | Dover-Sherborn School District / 9,927 |
| 204. | 301.1/sq mi | Nashoba School District / 19,886 |
| 205. | 300.1/sq mi | North Middlesex School District / 24,112 |
| 206. | 293.5/sq mi | Lakeville School District / 10,602 |
| 207. | 290.5/sq mi | Carver School District / 11,541 |
| 208. | 283.0/sq mi | Groton-Dunstable School District / 14,296 |
| 209. | 274.3/sq mi | Freetown-Lakeville School District / 19,890 |
| 210. | 270.9/sq mi | Wachusett School District / 42,131 |
| 211. | 269.9/sq mi | Dighton-Rehoboth School District / 18,915 |
| 212. | 267.0/sq mi | Belchertown School District / 14,774 |
| 213. | 266.8/sq mi | Sutton School District / 9,078 |
| 214. | 259.4/sq mi | Sherborn School District / 4,200 |
| 215. | 259.4/sq mi | Orleans School District / 5,874 |
| 216. | 258.0/sq mi | Manchester Essex Regional School District / 8,827 |
| 217. | 257.7/sq mi | Cohasset School District / 8,100 |
| 218. | 254.0/sq mi | Mattapoisett School District / 6,138 |
| 219. | 251.1/sq mi | Chatham School District / 6,125 |
| 220. | 249.7/sq mi | Sunderland School District / 3,683 |
| 221. | 247.4/sq mi | Ware School District / 9,886 |
| 222. | 243.7/sq mi | Freetown School District / 8,870 |
| 223. | 242.2/sq mi | Westport School District / 15,647 |
| 224. | 241.4/sq mi | Harvard School District / 6,558 |
| 225. | 240.4/sq mi | Sturbridge School District / 9,363 |
| 226. | 237.4/sq mi | Winchendon School District / 10,466 |
| 227. | 232.7/sq mi | Lenox School District / 5,043 |
| 228. | 229.7/sq mi | Adams-Cheshire School District / 11,593 |
| 229. | 226.4/sq mi | Douglas School District / 8,578 |
| 230. | 224.3/sq mi | Granby School District / 6,301 |
| 231. | 223.0/sq mi | Nahant School District / 3,451 |
| 231. | 223.0/sq mi | Swampscott School District in Nahant (7-12) / 3,451 |
| 233. | 222.7/sq mi | Boylston School District / 4,399 |
| 234. | 222.2/sq mi | Berlin-Boylston School District / 7,316 |
| 235. | 221.4/sq mi | Berlin School District / 2,917 |
| 236. | 216.8/sq mi | Nauset School District / 23,675 |
| 237. | 216.3/sq mi | Orange School District / 7,793 |
| 238. | 215.5/sq mi | Gill-Montague School District / 9,967 |
| 239. | 214.8/sq mi | North Brookfield School District / 4,715 |
| 240. | 214.8/sq mi | Hadley School District / 5,285 |
| 241. | 211.3/sq mi | Tisbury School District / 4,036 |
| 242. | 205.8/sq mi | Southampton School District / 5,958 |
| 243. | 204.6/sq mi | Brookfield School District / 3,396 |
| 244. | 195.6/sq mi | Hatfield School District / 3,293 |
| 245. | 193.4/sq mi | Monson School District / 8,660 |
| 246. | 191.9/sq mi | Eastham School District / 4,932 |
| 247. | 190.7/sq mi | Holland School District / 2,491 |
| 248. | 190.2/sq mi | Old Rochester School District / 16,421 |
| 249. | 188.8/sq mi | Marion School District / 4,935 |
| 250. | 188.1/sq mi | Plympton School District / 2,840 |
| 251. | 182.3/sq mi | Quaboag Regional School District / 8,891 |
| 252. | 181.3/sq mi | Southwick-Tolland School District / 11,686 |
| 253. | 177.5/sq mi | Oak Bluffs School District / 4,599 |
| 254. | 173.9/sq mi | Tantasqua School District / 20,840 |
| 255. | 172.5/sq mi | Ashburnham-Westminster School District / 13,494 |
| 256. | 170.8/sq mi | Narragansett School District / 9,738 |
| 257. | 169.4/sq mi | Athol-Royalston School District / 12,847 |
| 258. | 169.3/sq mi | Provincetown School District / 2,959 |
| 259. | 162.6/sq mi | Williamstown School District / 7,624 |
| 260. | 152.4/sq mi | Deerfield School District / 5,097 |
| 261. | 148.4/sq mi | Rochester School District / 5,348 |
| 262. | 138.1/sq mi | Lee School District / 6,340 |
| 263. | 127.3/sq mi | Erving School District / 1,832 |
| 263. | 127.3/sq mi | Gill-Montague School District in Erving (7-12) / 1,832 |
| 265. | 123.5/sq mi | North Adams School District in Clarksburg (9-12) / 1,580 |
| 265. | 123.5/sq mi | Clarksburg School District / 1,580 |
| 267. | 121.5/sq mi | Mount Greylock School District / 10,926 |
| 268. | 120.5/sq mi | Wales School District / 1,923 |
| 269. | 119.2/sq mi | Berkshire Hills School District / 10,505 |
| 270. | 110.8/sq mi | Frontier School District / 11,827 |
| 271. | 103.9/sq mi | Brimfield School District / 3,667 |
| 272. | 100.5/sq mi | Williamsburg School District / 2,583 |
| 273. | 98.9/sq mi | Nantucket School District / 10,414 |
| 274. | 95.4/sq mi | Hampshire School District / 12,499 |
| 275. | 93.0/sq mi | Quabbin School District / 15,772 |
| 276. | 85.0/sq mi | Wellfleet School District / 3,011 |
| 277. | 80.7/sq mi | Pittsfield School District in Richmond (9-12) / 1,535 |
| 277. | 80.7/sq mi | Richmond School District / 1,535 |
| 279. | 79.9/sq mi | Leverett School District / 1,836 |
| 280. | 76.7/sq mi | Lanesborough School District / 3,302 |
| 281. | 67.0/sq mi | Whately School District / 1,384 |
| 282. | 66.5/sq mi | Shutesbury School District / 1,804 |
| 283. | 66.2/sq mi | Truro School District / 1,738 |
| 283. | 66.2/sq mi | Nauset/Provincetown School Districts in Turo (7-12) / 1,738 |
| 285. | 64.9/sq mi | Central Berkshire School District / 13,907 |
| 286. | 58.0/sq mi | Westhampton School District / 1,586 |
| 287. | 57.2/sq mi | Pioneer Valley School District / 6,549 |
| 288. | 56.7/sq mi | Ralph C. Mahar School District / 11,057 |
| 289. | 50.8/sq mi | Pelham School District / 1,350 |
| 290. | 49.7/sq mi | Mohawk Trail School District / 8,603 |
| 291. | 48.5/sq mi | Chesterfield-Goshen School District / 2,372 |
| 292. | 47.9/sq mi | Martha's Vineyard School District / 16,816 |
| 293. | 43.9/sq mi | Conway School District / 1,663 |
| 294. | 43.1/sq mi | Gateway School District / 8,898 |
| 295. | 40.7/sq mi | Southern Berkshire School District / 7,188 |
| 296. | 36.4/sq mi | Southwick-Tolland School District in Granville (9-12) / 1,566 |
| 296. | 36.4/sq mi | Granville School District / 1,566 |
| 298. | 34.1/sq mi | Edgartown School District / 4,186 |
| 299. | 32.0/sq mi | North Adams School District in Florida (9-12) / 788 |
| 300. | 28.9/sq mi | Mohawk Trail Regional School District in Hawley and Charlemont towns / 1,653 |
| 300. | 28.9/sq mi | Hawlemont School District / 1,653 |
| 302. | 26.0/sq mi | Lee/Berkshire Hills in Farmington River Regional (7-12) / 2,366 |
| 302. | 26.0/sq mi | Farmington River Regional School District / 2,366 |
| 304. | 25.6/sq mi | Florida School District / 906 |
| 305. | 21.9/sq mi | New Salem-Wendell School District / 1,987 |
| 306. | 21.8/sq mi | Up-Island Regional School District / 3,995 |
| 307. | 20.3/sq mi | Mount Greylock/New Lebanon (NY) School Districts in Hancock (7-12) / 726 |
| 307. | 20.3/sq mi | Hancock School District / 726 |
| 309. | 19.5/sq mi | Adams-Cheshire School District in Savoy (7-12) / 703 |
| 309. | 19.5/sq mi | Savoy School District / 703 |
| 311. | 18.8/sq mi | Mohawk Trail School District in Rowe (7-12) / 452 |
| 311. | 18.8/sq mi | Rowe School District / 452 |
| 313. | 18.7/sq mi | Petersham School District / 1,277 |
| 314. | 10.9/sq mi | North Adams School District in Monroe (9-12) / 118 |
| 315. | 0.7/sq mi | Gosnold School District / 99 |
Please note that we only rank locations with 'Population Density' data. The rank above might not be a complete list. Locations without 'Population Density' data are not listed.
