| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 3.6% | Edgartown School District / 3,984 |
| 2. | 2.8% | Manchester Essex Regional School District / 8,574 |
| 3. | 2.7% | New Salem-Wendell School District / 1,870 |
| 4. | 2.6% | Mount Greylock/New Lebanon (NY) School Districts in Hancock (7-12) / 718 |
| 4. | 2.6% | Hancock School District / 718 |
| 4. | 2.6% | Boxford School District / 7,917 |
| 7. | 2.4% | Adams-Cheshire School District in Savoy (7-12) / 747 |
| 7. | 2.4% | Savoy School District / 747 |
| 9. | 2.4% | North Adams School District in Florida (9-12) / 766 |
| 10. | 2.3% | Hawlemont School District / 1,553 |
| 10. | 2.3% | Mohawk Trail Regional School District in Hawley and Charlemont towns / 1,553 |
| 12. | 2.1% | Leverett School District / 1,803 |
| 13. | 2.1% | Gill-Montague School District in Erving (7-12) / 1,822 |
| 13. | 2.1% | Erving School District / 1,822 |
| 15. | 2.1% | Florida School District / 876 |
| 16. | 2.0% | Brimfield School District / 3,557 |
| 17. | 1.8% | Littleton School District / 8,697 |
| 17. | 1.8% | Deerfield School District / 5,070 |
| 19. | 1.8% | Carlisle School District / 4,766 |
| 20. | 1.7% | North Adams School District in Clarksburg (9-12) / 1,886 |
| 20. | 1.7% | Mohawk Trail School District / 8,695 |
| 20. | 1.7% | Clarksburg School District / 1,886 |
| 23. | 1.7% | Orleans School District / 5,981 |
| 24. | 1.6% | Nashoba School District / 18,950 |
| 25. | 1.6% | Blackstone-Millville School District / 12,117 |
| 26. | 1.5% | Mattapoisett School District / 6,079 |
| 27. | 1.5% | Eastham School District / 5,060 |
| 28. | 1.5% | Leicester School District / 10,911 |
| 29. | 1.4% | Marblehead School District / 19,797 |
| 30. | 1.4% | Williamsburg School District / 2,633 |
| 31. | 1.4% | Hamilton-Wenham School District / 12,619 |
| 32. | 1.4% | Sherborn School District / 4,089 |
| 33. | 1.3% | Provincetown School District / 3,039 |
| 34. | 1.3% | Williamstown School District / 7,879 |
| 34. | 1.3% | Frontier School District / 12,265 |
| 34. | 1.3% | Barnstable School District / 45,775 |
| 34. | 1.3% | Whately School District / 1,566 |
| 34. | 1.3% | Pembroke School District / 17,660 |
| 39. | 1.3% | Concord-Carlisle School District / 22,139 |
| 40. | 1.3% | Westford School District / 21,483 |
| 41. | 1.3% | Masconomet School District / 22,691 |
| 41. | 1.3% | Amherst School District / 37,403 |
| 43. | 1.2% | Lunenburg School District / 9,985 |
| 44. | 1.2% | Amherst-Pelham School District / 42,342 |
| 45. | 1.2% | Cohasset School District / 7,434 |
| 45. | 1.2% | Concord School District / 17,373 |
| 45. | 1.2% | Lenox School District / 5,022 |
| 48. | 1.2% | Scituate School District / 18,075 |
| 49. | 1.2% | Conway School District / 1,917 |
| 50. | 1.1% | Pioneer Valley School District / 6,467 |
| 50. | 1.1% | Swampscott School District / 13,819 |
| 52. | 1.1% | Rowe School District / 387 |
| 52. | 1.1% | Mohawk Trail School District in Rowe (7-12) / 387 |
| 54. | 1.1% | Quabbin School District / 15,470 |
| 55. | 1.1% | Hingham School District / 21,731 |
| 56. | 1.1% | Chesterfield-Goshen School District / 2,095 |
| 57. | 1.1% | Weston School District / 11,191 |
| 57. | 1.1% | Freetown School District / 8,796 |
| 59. | 1.0% | Martha's Vineyard School District / 15,957 |
| 60. | 1.0% | Mount Greylock School District / 11,185 |
| 61. | 1.0% | Wayland School District / 12,864 |
| 62. | 1.0% | Southern Berkshire School District / 7,407 |
| 63. | 0.9% | Millis School District / 7,824 |
| 63. | 0.9% | Marion School District / 4,948 |
| 63. | 0.9% | Acton School District / 21,376 |
| 66. | 0.9% | Westwood School District / 14,405 |
| 66. | 0.9% | Sudbury School District / 17,308 |
| 68. | 0.9% | Nantucket School District / 10,069 |
| 69. | 0.9% | Nauset School District / 23,878 |
| 69. | 0.9% | Farmington River Regional School District / 2,008 |
| 69. | 0.9% | Lee/Berkshire Hills in Farmington River Regional (7-12) / 2,008 |
| 69. | 0.9% | Quaboag Regional School District / 8,812 |
| 73. | 0.9% | Gill-Montague School District / 9,867 |
| 73. | 0.9% | Sandwich School District / 20,628 |
| 75. | 0.9% | Topsfield School District / 6,057 |
| 75. | 0.9% | Old Rochester School District / 16,136 |
| 77. | 0.9% | Gateway School District / 8,647 |
| 77. | 0.9% | Holliston School District / 13,431 |
| 77. | 0.9% | Lincoln-Sudbury School District / 23,860 |
| 77. | 0.9% | North Middlesex School District / 23,157 |
| 77. | 0.9% | Gloucester School District / 28,893 |
| 82. | 0.8% | Sunderland School District / 3,712 |
| 82. | 0.8% | Tantasqua School District / 20,490 |
| 82. | 0.8% | Name N/A / 415,038 |
| 85. | 0.8% | Chelmsford School District / 33,368 |
| 86. | 0.8% | Dover-Sherborn School District / 9,617 |
| 87. | 0.8% | Hatfield School District / 3,268 |
| 87. | 0.8% | Chatham School District / 6,221 |
| 89. | 0.8% | Winchester School District / 21,016 |
| 90. | 0.8% | Northborough School District / 14,161 |
| 90. | 0.8% | Georgetown School District / 7,995 |
| 92. | 0.8% | Acton-Boxborough School District / 26,284 |
| 92. | 0.8% | Douglas School District / 8,239 |
| 92. | 0.8% | Greenfield School District / 17,610 |
| 95. | 0.8% | Kingston School District / 12,470 |
| 95. | 0.8% | Plainville School District / 8,091 |
| 95. | 0.8% | Needham School District / 28,683 |
| 98. | 0.8% | Abington School District / 15,704 |
| 98. | 0.8% | Wales School District / 1,910 |
| 98. | 0.8% | South Hadley School District / 17,494 |
| 101. | 0.7% | Northampton School District / 28,709 |
| 101. | 0.7% | Wellesley School District / 27,623 |
| 103. | 0.7% | Groton-Dunstable School District / 13,403 |
| 103. | 0.7% | Duxbury School District / 14,897 |
| 103. | 0.7% | Harwich School District / 12,291 |
| 106. | 0.7% | Whitman-Hanson School District / 24,464 |
| 107. | 0.7% | Southwick-Tolland School District / 9,872 |
| 107. | 0.7% | Lincoln School District / 6,552 |
| 107. | 0.7% | Lexington School District / 30,862 |
| 107. | 0.7% | Holland School District / 2,644 |
| 107. | 0.7% | Webster School District / 16,745 |
| 112. | 0.7% | Pentucket School District / 16,803 |
| 112. | 0.7% | Franklin School District / 31,023 |
| 114. | 0.7% | Longmeadow School District / 15,759 |
| 114. | 0.7% | Belmont School District / 24,356 |
| 116. | 0.7% | Reading School District / 24,261 |
| 116. | 0.7% | Gardner School District / 20,386 |
| 118. | 0.6% | Sturbridge School District / 9,037 |
| 118. | 0.6% | Falmouth School District / 31,796 |
| 118. | 0.6% | Wareham School District / 21,536 |
| 121. | 0.6% | Ashland School District / 16,053 |
| 121. | 0.6% | Northborough-Southborough School District / 23,778 |
| 121. | 0.6% | Oxford School District / 13,690 |
| 121. | 0.6% | West Boylston School District / 7,657 |
| 121. | 0.6% | Cambridge School District / 103,506 |
| 126. | 0.6% | Southwick-Tolland School District in Granville (9-12) / 1,525 |
| 126. | 0.6% | Grafton School District / 17,281 |
| 126. | 0.6% | Foxborough School District / 16,621 |
| 126. | 0.6% | Fairhaven School District / 15,934 |
| 126. | 0.6% | Easthampton School District / 16,054 |
| 126. | 0.6% | Granville School District / 1,525 |
| 132. | 0.6% | North Attleborough School District / 28,483 |
| 132. | 0.6% | Freetown-Lakeville School District / 19,258 |
| 134. | 0.6% | Lee School District / 6,342 |
| 134. | 0.6% | Dedham School District / 24,325 |
| 136. | 0.6% | North Andover School District / 27,965 |
| 136. | 0.6% | Ralph C. Mahar School District / 11,004 |
| 136. | 0.6% | Ipswich School District / 13,074 |
| 139. | 0.6% | Silver Lake School District / 22,755 |
| 140. | 0.6% | Marshfield School District / 24,969 |
| 140. | 0.6% | Newton School District / 83,949 |
| 142. | 0.5% | Billerica School District / 39,572 |
| 143. | 0.5% | Berkshire Hills School District / 10,356 |
| 143. | 0.5% | North Adams School District / 13,851 |
| 143. | 0.5% | Walpole School District / 23,673 |
| 146. | 0.5% | Clinton School District / 13,610 |
| 146. | 0.5% | Brookline School District / 57,953 |
| 146. | 0.5% | Maynard School District / 10,036 |
| 146. | 0.5% | Beverly School District / 39,351 |
| 146. | 0.5% | Hampshire School District / 12,031 |
| 151. | 0.5% | Pittsfield School District / 44,788 |
| 151. | 0.5% | Pelham School District / 1,246 |
| 151. | 0.5% | Natick School District / 32,443 |
| 151. | 0.5% | Dennis-Yarmouth School District / 38,597 |
| 155. | 0.5% | Nauset/Provincetown School Districts in Turo (7-12) / 1,831 |
| 155. | 0.5% | Truro School District / 1,831 |
| 155. | 0.5% | Andover School District / 32,698 |
| 155. | 0.5% | Hadley School District / 5,176 |
| 159. | 0.5% | Somerset School District / 18,185 |
| 159. | 0.5% | Newburyport School District / 17,288 |
| 159. | 0.5% | Medford School District / 55,451 |
| 159. | 0.5% | Northbridge School District / 15,287 |
| 159. | 0.5% | Rockport School District / 7,053 |
| 164. | 0.5% | Bedford School District / 13,071 |
| 164. | 0.5% | Melrose School District / 26,704 |
| 166. | 0.5% | Norfolk School District / 11,054 |
| 166. | 0.5% | King Philip School District / 29,957 |
| 168. | 0.5% | Wachusett School District / 40,643 |
| 168. | 0.5% | Chicopee School District / 55,165 |
| 168. | 0.5% | Milford School District / 27,855 |
| 171. | 0.5% | Easton School District / 23,016 |
| 171. | 0.5% | Somerville School District / 75,215 |
| 171. | 0.5% | Halifax School District / 7,508 |
| 171. | 0.5% | Bridgewater-Raynham School District / 39,481 |
| 175. | 0.4% | Hopkinton School District / 14,474 |
| 176. | 0.4% | Southborough School District / 9,617 |
| 176. | 0.4% | Shrewsbury School District / 35,001 |
| 176. | 0.4% | Adams-Cheshire School District / 11,772 |
| 179. | 0.4% | Harvard School District / 6,433 |
| 180. | 0.4% | East Bridgewater School District / 13,636 |
| 180. | 0.4% | Ashburnham-Westminster School District / 13,216 |
| 180. | 0.4% | Bourne School District / 19,577 |
| 183. | 0.4% | Brewster School District / 9,891 |
| 183. | 0.4% | Watertown School District / 31,591 |
| 185. | 0.4% | Ludlow School District / 21,156 |
| 185. | 0.4% | Waltham School District / 59,771 |
| 187. | 0.4% | West Springfield School District / 28,287 |
| 187. | 0.4% | Westborough School District / 18,272 |
| 187. | 0.4% | Dover School District / 5,528 |
| 187. | 0.4% | Attleboro School District / 43,355 |
| 191. | 0.4% | Winthrop School District / 17,311 |
| 191. | 0.4% | Boston School District / 602,609 |
| 191. | 0.4% | Salem School District / 40,964 |
| 194. | 0.4% | Sutton School District / 8,869 |
| 194. | 0.4% | Sharon School District / 17,435 |
| 194. | 0.4% | Arlington School District / 42,240 |
| 194. | 0.4% | Brookfield School District / 3,342 |
| 194. | 0.4% | Rockland School District / 17,511 |
| 199. | 0.4% | East Longmeadow School District / 15,446 |
| 199. | 0.4% | Middleton School District / 8,717 |
| 199. | 0.4% | Danvers School District / 26,113 |
| 199. | 0.4% | Millbury School District / 13,220 |
| 203. | 0.3% | Avon School District / 4,335 |
| 203. | 0.3% | Milton School District / 26,667 |
| 203. | 0.3% | Dracut School District / 28,960 |
| 203. | 0.3% | Belchertown School District / 14,354 |
| 207. | 0.3% | Hudson School District / 18,643 |
| 207. | 0.3% | Westfield School District / 40,974 |
| 209. | 0.3% | Quincy School District / 90,780 |
| 209. | 0.3% | Fitchburg School District / 40,214 |
| 209. | 0.3% | Lanesborough School District / 3,306 |
| 209. | 0.3% | Westport School District / 15,298 |
| 213. | 0.3% | Athol-Royalston School District / 12,660 |
| 213. | 0.3% | Agawam School District / 28,383 |
| 215. | 0.3% | Holbrook School District / 10,694 |
| 216. | 0.3% | Westhampton School District / 1,585 |
| 216. | 0.3% | Mashpee School District / 13,850 |
| 216. | 0.3% | Hampden-Wilbraham School District / 19,215 |
| 219. | 0.3% | Framingham School District / 67,339 |
| 219. | 0.3% | Mendon-Upton School District / 12,990 |
| 219. | 0.3% | Wakefield School District / 24,620 |
| 219. | 0.3% | Marlborough School District / 37,674 |
| 223. | 0.3% | Medway School District / 12,597 |
| 223. | 0.3% | Southbridge School District / 16,851 |
| 223. | 0.3% | Canton School District / 21,246 |
| 223. | 0.3% | Auburn School District / 16,185 |
| 223. | 0.3% | Braintree School District / 35,122 |
| 228. | 0.3% | Central Berkshire School District / 14,070 |
| 228. | 0.3% | Uxbridge School District / 13,081 |
| 230. | 0.3% | Tyngsborough School District / 11,124 |
| 230. | 0.3% | Wilmington School District / 21,891 |
| 232. | 0.2% | Carver School District / 11,447 |
| 232. | 0.2% | Taunton School District / 55,954 |
| 232. | 0.2% | Oak Bluffs School District / 4,364 |
| 235. | 0.2% | Worcester School District / 179,994 |
| 235. | 0.2% | Stoneham School District / 21,320 |
| 235. | 0.2% | Wrentham School District / 10,812 |
| 235. | 0.2% | Lakeville School District / 10,462 |
| 235. | 0.2% | Lowell School District / 105,089 |
| 235. | 0.2% | Lynnfield School District / 11,487 |
| 241. | 0.2% | Shirley School District / 7,226 |
| 241. | 0.2% | Plymouth School District / 55,606 |
| 241. | 0.2% | Triton School District / 20,557 |
| 241. | 0.2% | Ayer/Lunenberg School Districts in Shirley (9-12) / 7,226 |
| 241. | 0.2% | Everett School District / 40,560 |
| 246. | 0.2% | Up-Island Regional School District / 3,723 |
| 246. | 0.2% | Medfield School District / 11,976 |
| 246. | 0.2% | Dudley-Charlton Regional School District / 23,879 |
| 246. | 0.2% | Dartmouth School District / 33,517 |
| 246. | 0.2% | Middleborough School District / 22,538 |
| 246. | 0.2% | Seekonk School District / 13,686 |
| 252. | 0.2% | Weymouth School District / 53,342 |
| 252. | 0.2% | Burlington School District / 23,926 |
| 252. | 0.2% | Hanover School District / 13,743 |
| 252. | 0.2% | Mansfield School District / 23,051 |
| 252. | 0.2% | Bellingham School District / 16,017 |
| 252. | 0.2% | West Bridgewater School District / 6,859 |
| 258. | 0.2% | Saugus School District / 26,392 |
| 258. | 0.2% | Holyoke School District / 39,885 |
| 260. | 0.2% | Haverhill School District / 60,203 |
| 260. | 0.2% | Monson School District / 8,534 |
| 260. | 0.2% | New Bedford School District / 94,945 |
| 260. | 0.2% | Orange School District / 7,795 |
| 260. | 0.2% | Lynn School District / 89,625 |
| 260. | 0.2% | Peabody School District / 50,455 |
| 260. | 0.2% | Spencer-East Brookfield School District / 13,758 |
| 267. | 0.2% | Stoughton School District / 26,781 |
| 267. | 0.2% | Shutesbury School District / 1,890 |
| 269. | 0.2% | North Reading School District / 14,536 |
| 269. | 0.2% | Hull School District / 10,420 |
| 269. | 0.2% | Fall River School District / 89,482 |
| 272. | 0.2% | Somerset School District in Berkley (9-12) / 6,306 |
| 272. | 0.2% | Berkley School District / 6,306 |
| 272. | 0.2% | Tewksbury School District / 28,619 |
| 272. | 0.2% | Brockton School District / 93,869 |
| 276. | 0.1% | Norwell School District / 10,370 |
| 276. | 0.1% | Amesbury School District / 16,225 |
| 278. | 0.1% | Randolph School District / 31,661 |
| 278. | 0.1% | Chelsea School District / 34,532 |
| 280. | 0.1% | Berlin School District / 2,789 |
| 280. | 0.1% | Leominster School District / 40,941 |
| 282. | 0.1% | Dighton-Rehoboth School District / 18,272 |
| 283. | 0.1% | Malden School District / 58,180 |
| 283. | 0.1% | Springfield School District / 152,906 |
| 285. | 0.1% | Norton School District / 18,880 |
| 285. | 0.1% | Ware School District / 9,860 |
| 285. | 0.1% | Lawrence School District / 75,177 |
| 288. | 0.1% | Norwood School District / 28,375 |
| 288. | 0.1% | Methuen School District / 46,393 |
| 290. | 0.1% | Revere School District / 50,008 |
| 290. | 0.1% | Woburn School District / 37,538 |
| 290. | 0.1% | Berlin-Boylston School District / 7,097 |
Please note that we only rank locations with 'Welsh as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Welsh as First Ancestry Population Percentage' 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.
