| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 3.6% | Harrisville School District / 961 |
| 2. | 3.1% | Warren School District / 690 |
| 3. | 3.0% | Cornish School District / 1,724 |
| 4. | 2.6% | Chesterfield School District / 3,631 |
| 5. | 2.4% | Landaff School District / 499 |
| 6. | 2.3% | Bartlett School District / 2,812 |
| 7. | 2.2% | Clarksville School District / 334 |
| 8. | 2.1% | Gilmanton School District / 3,687 |
| 9. | 2.0% | North Hampton School District / 4,332 |
| 10. | 2.0% | Lyme School District / 2,094 |
| 11. | 2.0% | Rivendell Interstate School District / 1,222 |
| 12. | 2.0% | Eaton School District / 415 |
| 12. | 2.0% | Mascoma Valley Regional School District / 10,437 |
| 14. | 1.9% | Rye School District / 5,324 |
| 15. | 1.9% | Grantham School District / 2,873 |
| 16. | 1.8% | Lafayette Regional School District / 2,265 |
| 17. | 1.8% | Hampton School District / 15,484 |
| 18. | 1.7% | Piermont School District / 934 |
| 19. | 1.7% | Concord School District / 37,416 |
| 20. | 1.7% | Columbia School District / 731 |
| 21. | 1.6% | Errol School District / 269 |
| 22. | 1.6% | Freedom School District / 1,066 |
| 22. | 1.6% | Profile School District / 4,758 |
| 24. | 1.6% | Jaffrey-Rindge Cooperative School District / 11,507 |
| 25. | 1.6% | Benton School District / 290 |
| 26. | 1.5% | Newington School District / 721 |
| 27. | 1.5% | Unity School District / 1,742 |
| 28. | 1.5% | Conway School District / 9,995 |
| 29. | 1.5% | Oyster River Cooperative School District / 20,559 |
| 29. | 1.5% | Wilton School District / 3,700 |
| 31. | 1.5% | Deerfield School District / 4,208 |
| 32. | 1.4% | Kearsarge Regional School District / 14,606 |
| 33. | 1.4% | Bethlehem School District / 2,493 |
| 34. | 1.4% | Newport School District / 6,534 |
| 35. | 1.4% | Portsmouth School District / 20,963 |
| 36. | 1.3% | Mont Vernon School District / 2,456 |
| 37. | 1.3% | Hill School District / 1,238 |
| 37. | 1.3% | Milford School District / 14,914 |
| 39. | 1.3% | Rumney School District / 1,648 |
| 40. | 1.3% | Lincoln-Woodstock School District / 2,581 |
| 40. | 1.3% | Moultonborough School District / 4,189 |
| 42. | 1.2% | Holderness School District / 1,830 |
| 42. | 1.2% | Winnacunnet Cooperative School District / 30,785 |
| 44. | 1.2% | Brentwood School District / 4,299 |
| 45. | 1.1% | Jackson School District / 896 |
| 46. | 1.1% | Hinsdale School District / 4,106 |
| 47. | 1.1% | Albany School District / 975 |
| 48. | 1.1% | Fall Mountain Regional School District / 12,378 |
| 49. | 1.1% | Wakefield School District / 5,001 |
| 50. | 1.1% | Wilton-Lyndeboro School District / 5,106 |
| 51. | 1.1% | Dresden School District / 11,263 |
| 51. | 1.1% | Hooksett School District / 13,330 |
| 51. | 1.1% | Hanover School District / 11,263 |
| 54. | 1.0% | Inter-Lakes School District / 8,585 |
| 55. | 1.0% | Stark School District / 541 |
| 55. | 1.0% | East Kingston School District / 2,304 |
| 55. | 1.0% | Rollinsford School District / 2,577 |
| 58. | 1.0% | Newfound Area School District / 10,504 |
| 58. | 1.0% | Candia School District / 3,942 |
| 60. | 1.0% | Epsom School District / 4,537 |
| 61. | 1.0% | Keene School District / 23,547 |
| 62. | 1.0% | Auburn School District / 4,953 |
| 62. | 1.0% | Dover School District / 29,679 |
| 64. | 0.9% | Ashland School District / 1,543 |
| 65. | 0.9% | Londonderry School District / 24,198 |
| 66. | 0.9% | Campton School District / 3,247 |
| 66. | 0.9% | Chichester School District / 2,505 |
| 68. | 0.9% | Raymond School District / 10,142 |
| 69. | 0.9% | Newmarket School District / 8,850 |
| 70. | 0.9% | Littleton School District / 5,949 |
| 70. | 0.9% | Alton School District / 5,173 |
| 72. | 0.9% | Andover School District / 2,470 |
| 73. | 0.8% | Name N/A / 353,507 |
| 74. | 0.8% | Somersworth School District / 11,822 |
| 74. | 0.8% | Prospect Mountain High School Joint Maintenance Agreement District / 9,704 |
| 76. | 0.8% | Epping School District / 6,298 |
| 77. | 0.8% | Nottingham School District / 4,628 |
| 78. | 0.8% | Stoddard School District / 1,388 |
| 78. | 0.8% | Barrington School District / 8,454 |
| 78. | 0.8% | Barnstead School District / 4,531 |
| 81. | 0.8% | Hopkinton School District / 5,646 |
| 82. | 0.7% | Coos County School District / 212 |
| 83. | 0.7% | Monadnock Regional School District / 14,399 |
| 83. | 0.7% | White Mountain Regional School District / 8,257 |
| 83. | 0.7% | Goshen-Lempster Cooperative School District / 2,071 |
| 86. | 0.7% | Shaker Regional School District / 9,845 |
| 87. | 0.7% | Exeter Regional Cooperative School District / 32,114 |
| 87. | 0.7% | Derry School District / 33,564 |
| 87. | 0.7% | Pittsfield School District / 4,139 |
| 90. | 0.7% | Nashua School District / 87,042 |
| 91. | 0.6% | Pemi-Baker Regional School District / 18,448 |
| 91. | 0.6% | Newfields School District / 1,803 |
| 93. | 0.6% | Merrimack School District / 25,579 |
| 94. | 0.6% | Winchester School District / 4,354 |
| 94. | 0.6% | Franklin School District / 8,582 |
| 94. | 0.6% | Wentworth School District / 915 |
| 97. | 0.6% | Weare School District / 8,660 |
| 97. | 0.6% | Berlin School District / 10,208 |
| 99. | 0.6% | Marlow School District / 875 |
| 100. | 0.6% | Souhegan Cooperative School District / 13,657 |
| 100. | 0.6% | Hillsboro-Deering Cooperative School District / 8,042 |
| 102. | 0.6% | Governor Wentworth Regional School District / 17,675 |
| 102. | 0.6% | Surry School District / 738 |
| 104. | 0.6% | Exeter School District / 14,394 |
| 104. | 0.6% | Bedford School District / 20,799 |
| 106. | 0.6% | New Boston School District / 5,132 |
| 106. | 0.6% | Contoocook Valley School District / 18,236 |
| 106. | 0.6% | Hampton Falls School District / 2,347 |
| 106. | 0.6% | Laconia School District / 16,219 |
| 106. | 0.6% | Stratham School District / 7,161 |
| 111. | 0.5% | Rochester School District / 29,801 |
| 111. | 0.5% | Sunapee School District / 3,350 |
| 113. | 0.5% | John Stark Regional School District / 13,490 |
| 113. | 0.5% | Chester School District / 4,633 |
| 115. | 0.5% | Westmoreland School District / 1,904 |
| 116. | 0.5% | Milan School District / 1,313 |
| 117. | 0.5% | Winnisquam Regional School District / 11,380 |
| 118. | 0.5% | Mascenic Regional School District / 7,427 |
| 118. | 0.5% | Fremont School District / 4,183 |
| 118. | 0.5% | Farmington School District / 6,664 |
| 121. | 0.5% | Amherst School District / 11,201 |
| 121. | 0.5% | Litchfield School District / 8,150 |
| 123. | 0.4% | South Hampton School District / 725 |
| 123. | 0.4% | Thornton School District / 2,433 |
| 125. | 0.4% | Bath School District / 835 |
| 126. | 0.4% | Merrimack Valley School District / 17,854 |
| 126. | 0.4% | New Castle School District / 772 |
| 128. | 0.4% | Lebanon School District / 13,127 |
| 128. | 0.4% | Stewartstown School District / 1,103 |
| 128. | 0.4% | Allenstown School District / 4,507 |
| 131. | 0.4% | Tamworth School District / 2,837 |
| 131. | 0.4% | Manchester School District / 109,791 |
| 133. | 0.4% | Goffstown School District / 17,635 |
| 133. | 0.4% | Plainfield School District / 2,551 |
| 135. | 0.4% | Henniker School District / 4,830 |
| 136. | 0.4% | Northwood School District / 4,176 |
| 137. | 0.3% | Dunbarton School District / 2,704 |
| 138. | 0.3% | Croydon School District / 721 |
| 139. | 0.3% | Brookline School District / 4,868 |
| 140. | 0.3% | Milton School District / 4,516 |
| 141. | 0.3% | Hudson School District / 24,323 |
| 142. | 0.2% | Windham School District / 13,194 |
| 142. | 0.2% | Mason School District / 1,337 |
| 144. | 0.2% | Bow School District / 7,569 |
| 145. | 0.2% | Gilford School District / 7,160 |
| 146. | 0.2% | Timberlane Regional School District / 24,658 |
| 146. | 0.2% | Gorham Randolph Shelburne Cooperative School District / 3,712 |
| 148. | 0.2% | Pembroke School District / 7,172 |
| 149. | 0.2% | Marlborough School District / 1,965 |
| 149. | 0.2% | Salem School District / 28,899 |
| 151. | 0.2% | Plymouth School District / 6,832 |
| 152. | 0.2% | Kensington School District / 2,153 |
| 152. | 0.2% | Lisbon Regional School District / 2,246 |
| 152. | 0.2% | Claremont School District / 13,470 |
| 152. | 0.2% | Middleton School District / 1,549 |
| 156. | 0.1% | Hollis-Brookline Cooperative School District / 12,484 |
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.
