| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 14.7% | Grant Elementary School District / 120 |
| 2. | 12.2% | Sylvanite Elementary School District / 139 |
| 3. | 6.8% | Biddle Elementary School District / 121 |
| 4. | 6.0% | Highwood High School District / 530 |
| 5. | 5.9% | Victor K-12 Schools / 3,668 |
| 6. | 5.8% | Highwood Elementary School District / 562 |
| 7. | 5.6% | Pioneer Elementary School District / 1,126 |
| 8. | 5.6% | Geraldine Elementary School District / 595 |
| 9. | 5.3% | Lambert Elementary School District / 435 |
| 10. | 5.3% | Geraldine High School District / 635 |
| 11. | 5.3% | Lambert High School District / 440 |
| 12. | 4.6% | Joliet Elementary School District / 1,844 |
| 13. | 3.8% | Reedpoint High School District / 502 |
| 14. | 3.6% | West Yellowstone K-12 School District / 1,770 |
| 15. | 3.6% | Harlowton Elementary School District / 1,800 |
| 16. | 3.5% | Wisdom Elementary School District / 325 |
| 16. | 3.5% | Joliet High School District / 2,347 |
| 18. | 3.4% | Reedpoint Elementary School District / 555 |
| 19. | 3.3% | Upper West Shore Elementary School District / 698 |
| 19. | 3.3% | Harlowton High School District / 1,908 |
| 21. | 3.2% | Deer Lodge Elementary School District / 5,602 |
| 22. | 3.1% | Dutton/Brady K-12 Schools / 1,012 |
| 23. | 3.0% | St. Regis K-12 Schools / 1,256 |
| 24. | 3.0% | Sunset Elementary School District / 185 |
| 25. | 2.9% | Amsterdam Elementary School District / 1,708 |
| 26. | 2.8% | Ramsay Elementary School District / 1,075 |
| 27. | 2.8% | Dillon Elementary School District / 7,639 |
| 27. | 2.8% | Beaverhead County High School District / 8,678 |
| 29. | 2.7% | Troy High School District / 3,505 |
| 30. | 2.7% | Alberton K-12 Schools / 1,167 |
| 31. | 2.6% | Troy Elementary School District / 2,786 |
| 32. | 2.6% | Cottonwood Elementary School District / 319 |
| 32. | 2.6% | Potomac Elementary School District / 1,164 |
| 34. | 2.6% | Auchard Creek Elementary School District / 95 |
| 35. | 2.6% | Sun River Valley Elementary School District / 2,261 |
| 36. | 2.5% | Evergreen Elementary School District / 6,321 |
| 37. | 2.5% | Powell County High School District / 7,198 |
| 38. | 2.5% | Whitehall Elementary School District / 3,161 |
| 39. | 2.4% | Lima K-12 Schools / 454 |
| 40. | 2.4% | Ekalaka Elementary School District / 992 |
| 41. | 2.4% | Whitehall High School District / 3,638 |
| 41. | 2.4% | Belgrade Elementary School District / 19,900 |
| 43. | 2.3% | Belgrade High School District / 20,130 |
| 43. | 2.3% | Dupuyer Elementary School District / 311 |
| 45. | 2.3% | Darby K-12 Schools / 3,584 |
| 46. | 2.3% | Clancy Elementary School District / 2,812 |
| 47. | 2.3% | Stevensville Elementary School District / 7,061 |
| 48. | 2.2% | Hamilton K-12 Schools / 10,976 |
| 49. | 2.2% | Willow Creek High School District / 316 |
| 50. | 2.1% | Laurel High School District / 10,728 |
| 51. | 2.1% | Eureka Elementary School District / 4,721 |
| 52. | 2.1% | Florence-Carlton K-12 Schools / 5,760 |
| 53. | 2.0% | Laurel Elementary School District / 11,231 |
| 54. | 2.0% | Cayuse Prairie Elementary School District / 2,698 |
| 54. | 2.0% | Simms High School District / 3,223 |
| 54. | 2.0% | Sheridan Elementary School District / 1,618 |
| 57. | 2.0% | Carter County High School District / 1,289 |
| 58. | 2.0% | Trinity Elementary School District / 1,408 |
| 59. | 1.9% | Conrad Elementary School District / 3,379 |
| 60. | 1.9% | Cascade Elementary School District / 1,650 |
| 61. | 1.9% | Judith Gap Elementary School District / 280 |
| 61. | 1.9% | Judith Gap High School District / 280 |
| 63. | 1.9% | Raynesford Elementary School District / 109 |
| 64. | 1.9% | Manhattan High School District / 4,322 |
| 65. | 1.9% | Willow Creek Elementary School District / 364 |
| 66. | 1.9% | Conrad High School District / 3,514 |
| 66. | 1.9% | Absarokee Elementary School District / 1,599 |
| 68. | 1.8% | Drummond Elementary School District / 1,067 |
| 69. | 1.8% | Cardwell Elementary School District / 421 |
| 70. | 1.8% | Golden Ridge Elementary School District / 178 |
| 71. | 1.8% | Ophir Elementary School District / 1,478 |
| 72. | 1.8% | Sheridan High School District / 1,910 |
| 73. | 1.8% | Deep Creek Elementary School District / 133 |
| 74. | 1.7% | Park City High School District / 2,226 |
| 75. | 1.7% | Plains Elementary School District / 2,934 |
| 76. | 1.7% | Cut Bank High School District / 4,167 |
| 76. | 1.7% | Cut Bank Elementary School District / 4,167 |
| 78. | 1.7% | Cottonwood Elementary School District / 215 |
| 78. | 1.7% | Harrison K-12 Schools / 783 |
| 80. | 1.7% | Philipsburg K-12 Schools / 1,724 |
| 81. | 1.7% | Kila Elementary School District / 1,536 |
| 81. | 1.7% | Columbia Falls Elementary School District / 14,042 |
| 83. | 1.7% | Absarokee High School District / 2,124 |
| 83. | 1.7% | Plains High School District / 3,254 |
| 85. | 1.6% | Hawks Home Elementary School District / 122 |
| 86. | 1.6% | Stevensville High School District / 10,237 |
| 87. | 1.6% | Livingston Elementary School District / 10,375 |
| 87. | 1.6% | Columbia Falls High School District / 14,488 |
| 87. | 1.6% | East Glacier Park Elementary School District / 811 |
| 90. | 1.6% | Roundup Elementary School District / 3,881 |
| 91. | 1.6% | Grass Range Elementary School District / 405 |
| 91. | 1.6% | Bozeman Elementary School District / 51,052 |
| 93. | 1.6% | Park City Elementary School District / 2,431 |
| 94. | 1.6% | Roundup High School District / 4,041 |
| 94. | 1.6% | Lincoln County High School District / 6,260 |
| 96. | 1.5% | Drummond High School District / 1,320 |
| 96. | 1.5% | Seeley Lake Elementary School District / 1,746 |
| 98. | 1.5% | Grass Range High School District / 422 |
| 98. | 1.5% | Bozeman High School District / 58,415 |
| 100. | 1.5% | Plevna K-12 Schools / 453 |
| 100. | 1.5% | Butte High School District / 33,769 |
| 102. | 1.5% | Kinsey Elementary School District / 420 |
| 103. | 1.5% | Superior K-12 Schools / 2,443 |
| 103. | 1.5% | Libby K-12 Schools / 9,742 |
| 105. | 1.5% | Butte Elementary School District / 32,463 |
| 106. | 1.5% | Park High School District / 12,485 |
| 106. | 1.5% | Fishtail Elementary School District / 363 |
| 108. | 1.4% | Hobson K-12 Schools / 751 |
| 108. | 1.4% | Moore High School District / 483 |
| 108. | 1.4% | Moore Elementary School District / 483 |
| 111. | 1.4% | Canyon Creek Elementary School District / 2,143 |
| 112. | 1.4% | Broadview Elementary School District / 867 |
| 113. | 1.4% | White Sulphur Springs Elementary School District / 1,881 |
| 114. | 1.4% | Dixon Elementary School District / 679 |
| 115. | 1.4% | Miles City Elementary School District / 9,973 |
| 116. | 1.4% | Anaconda High School District / 9,149 |
| 116. | 1.4% | Shelby Elementary School District / 3,688 |
| 116. | 1.4% | Whitefish Elementary School District / 13,487 |
| 119. | 1.3% | Anaconda Elementary School District / 9,079 |
| 120. | 1.3% | Malmborg Elementary School District / 227 |
| 120. | 1.3% | Cascade High School District / 2,520 |
| 122. | 1.3% | Springhill Elementary School District / 159 |
| 123. | 1.3% | Charlo High School District / 2,230 |
| 123. | 1.3% | Divide Elementary School District / 157 |
| 125. | 1.3% | Whitefish High School District / 14,045 |
| 126. | 1.3% | White Sulphur Springs High School District / 2,024 |
| 126. | 1.3% | Helena Flats Elementary School District / 1,568 |
| 128. | 1.3% | Pine Creek Elementary School District / 333 |
| 128. | 1.3% | Broadview High School District / 952 |
| 130. | 1.3% | Charlo Elementary School District / 1,551 |
| 131. | 1.3% | Shelby High School District / 3,940 |
| 131. | 1.3% | Custer County High School District / 11,548 |
| 133. | 1.2% | Flathead High School District / 55,349 |
| 133. | 1.2% | Wibaux K-12 Schools / 1,067 |
| 135. | 1.2% | Jefferson High School District / 7,975 |
| 136. | 1.2% | Circle Elementary School District / 1,202 |
| 137. | 1.2% | Helena Elementary School District / 49,204 |
| 137. | 1.2% | McCormick Elementary School District / 395 |
| 137. | 1.2% | Gallatin Gateway Elementary School District / 1,579 |
| 140. | 1.2% | Billings Elementary School District / 104,812 |
| 140. | 1.2% | Red Lodge Elementary School District / 3,324 |
| 142. | 1.2% | Fairfield Elementary School District / 956 |
| 143. | 1.2% | Name N/A / 866,873 |
| 144. | 1.2% | Helena High School District / 59,916 |
| 145. | 1.2% | Manhattan Elementary School District / 2,579 |
| 145. | 1.2% | Zurich Elementary School District / 284 |
| 147. | 1.1% | Circle High School District / 1,714 |
| 148. | 1.1% | Billings High School District / 125,086 |
| 148. | 1.1% | Polson High School District / 10,969 |
| 148. | 1.1% | Red Lodge High School District / 3,838 |
| 151. | 1.1% | Swan Valley Elementary School District / 433 |
| 152. | 1.1% | Monforton Elementary School District / 1,953 |
| 153. | 1.1% | Plentywood K-12 Schools / 2,392 |
| 154. | 1.1% | Kalispell Elementary School District / 27,570 |
| 154. | 1.1% | Fairfield High School District / 1,832 |
| 156. | 1.0% | Missoula Elementary School District / 68,124 |
| 157. | 1.0% | Paradise Elementary School District / 320 |
| 157. | 1.0% | Fair-Mont-Egan Elementary School District / 1,273 |
| 157. | 1.0% | Fromberg K-12 Schools / 1,262 |
| 157. | 1.0% | Roberts K-12 Schools / 597 |
| 161. | 1.0% | Box Elder High School District / 416 |
| 161. | 1.0% | Somers Elementary School District / 5,135 |
| 161. | 1.0% | Vida Elementary School District / 512 |
| 161. | 1.0% | Box Elder Elementary School District / 416 |
| 165. | 1.0% | Stanford K-12 Schools / 887 |
| 165. | 1.0% | Three Forks Elementary School District / 2,958 |
| 165. | 1.0% | Three Forks High School District / 2,930 |
| 168. | 1.0% | Hardin High School District / 7,844 |
| 168. | 1.0% | Big Timber Elementary School District / 2,860 |
| 170. | 1.0% | Missoula High School District / 98,293 |
| 171. | 1.0% | Polson Elementary School District / 9,910 |
| 172. | 1.0% | Ovando Elementary School District / 326 |
| 172. | 1.0% | Choteau Elementary School District / 2,584 |
| 174. | 0.9% | Rosebud Elementary School District / 355 |
| 175. | 0.9% | Jackson Elementary School District / 115 |
| 175. | 0.9% | Smith Valley Elementary School District / 1,980 |
| 177. | 0.9% | Great Falls Elementary School District / 71,164 |
| 177. | 0.9% | Great Falls High School District / 71,219 |
| 179. | 0.9% | Rosebud High School District / 371 |
| 180. | 0.9% | Hellgate Elementary School District / 12,009 |
| 180. | 0.9% | Hardin Elementary School District / 8,883 |
| 180. | 0.9% | West Valley Elementary School District / 3,567 |
| 183. | 0.9% | East Helena Elementary School District / 8,718 |
| 184. | 0.8% | Target Range Elementary School District / 4,158 |
| 185. | 0.8% | Columbus Elementary School District / 3,537 |
| 185. | 0.8% | Lolo Elementary School District / 4,621 |
| 187. | 0.8% | Lewistown Elementary School District / 9,022 |
| 188. | 0.8% | Choteau High School District / 3,127 |
| 188. | 0.8% | Townsend K-12 Schools / 4,841 |
| 188. | 0.8% | Glasgow K-12 Schools / 4,913 |
| 191. | 0.8% | Huntley Project K-12 Schools / 3,646 |
| 191. | 0.8% | Fergus High School District / 9,230 |
| 193. | 0.8% | Fort Benton Elementary School District / 1,766 |
| 194. | 0.8% | Columbus High School District / 3,742 |
| 195. | 0.8% | Valley View Elementary School District / 361 |
| 196. | 0.8% | Dodson Elementary School District / 286 |
| 196. | 0.8% | Creston Elementary School District / 1,205 |
| 196. | 0.8% | Sweet Grass County High School District / 3,632 |
| 199. | 0.8% | Belt Elementary School District / 1,997 |
| 199. | 0.8% | Belt High School District / 2,003 |
| 201. | 0.7% | Anderson Elementary School District / 1,147 |
| 201. | 0.7% | Luther Elementary School District / 444 |
| 203. | 0.7% | Havre High School District / 12,707 |
| 204. | 0.7% | Thompson Falls Elementary School District / 3,463 |
| 204. | 0.7% | Big Sandy Elementary School District / 1,349 |
| 204. | 0.7% | Thompson Falls High School District / 3,463 |
| 207. | 0.7% | Marion Elementary School District / 994 |
| 207. | 0.7% | Alder Elementary School District / 292 |
| 207. | 0.7% | Vaughn Elementary School District / 962 |
| 207. | 0.7% | Bigfork Elementary School District / 6,349 |
| 211. | 0.7% | Boulder Elementary School District / 2,429 |
| 211. | 0.7% | Fort Benton High School District / 2,044 |
| 211. | 0.7% | Havre Elementary School District / 12,351 |
| 214. | 0.7% | Geyser High School District / 317 |
| 214. | 0.7% | Greenfield Elementary School District / 704 |
| 216. | 0.6% | Ronan Elementary School District / 8,214 |
| 216. | 0.6% | Ronan High School District / 8,214 |
| 218. | 0.6% | Dodson High School District / 341 |
| 219. | 0.6% | Arrowhead Elementary School District / 1,625 |
| 220. | 0.6% | Bigfork High School District / 8,219 |
| 221. | 0.6% | Wise River Elementary School District / 357 |
| 221. | 0.6% | Ennis K-12 Schools / 2,975 |
| 223. | 0.6% | Elder Grove Elementary School District / 2,725 |
| 223. | 0.6% | Glendive Elementary School District / 6,406 |
| 225. | 0.6% | Terry K-12 Schools / 1,089 |
| 226. | 0.6% | Montana City Elementary School District / 2,554 |
| 227. | 0.5% | St. Ignatius K-12 Schools / 3,124 |
| 228. | 0.5% | Powder River County High School District / 1,659 |
| 228. | 0.5% | Corvallis K-12 Schools / 7,173 |
| 228. | 0.5% | Valier High School District / 1,467 |
| 228. | 0.5% | Richey Elementary School District / 418 |
| 232. | 0.5% | Chinook High School District / 2,332 |
| 232. | 0.5% | Shepherd High School District / 3,261 |
| 232. | 0.5% | Shepherd Elementary School District / 3,261 |
| 235. | 0.5% | Lodge Grass Elementary School District / 1,654 |
| 236. | 0.5% | Bynum Elementary School District / 220 |
| 237. | 0.5% | Blue Creek Elementary School District / 2,472 |
| 237. | 0.5% | Colstrip Elementary School District / 2,520 |
| 237. | 0.5% | Independent Elementary School District / 2,926 |
| 237. | 0.5% | Colstrip High School District / 2,520 |
| 241. | 0.4% | Dawson High School District / 8,432 |
| 242. | 0.4% | Richey High School District / 501 |
| 242. | 0.4% | Froid High School District / 489 |
| 242. | 0.4% | Froid Elementary School District / 489 |
| 245. | 0.4% | Chinook Elementary School District / 1,947 |
| 245. | 0.4% | Centerville High School District / 1,597 |
| 247. | 0.4% | Centerville Elementary School District / 1,658 |
| 248. | 0.4% | Twin Bridges K-12 Schools / 1,501 |
| 249. | 0.4% | Scobey K-12 Schools / 1,492 |
| 250. | 0.4% | Big Sandy High School District / 2,556 |
| 250. | 0.4% | Wolf Creek Elementary School District / 586 |
| 250. | 0.4% | Lodge Grass High School District / 2,242 |
| 253. | 0.3% | Swan River Elementary School District / 1,682 |
| 253. | 0.3% | Sidney Elementary School District / 6,474 |
| 255. | 0.3% | Augusta High School District / 689 |
| 255. | 0.3% | Bridger K-12 Schools / 1,382 |
| 255. | 0.3% | Trego Elementary School District / 727 |
| 258. | 0.3% | Sidney High School District / 7,099 |
| 259. | 0.3% | Kircher Elementary School District / 696 |
| 260. | 0.3% | Westby K-12 Schools / 352 |
| 261. | 0.3% | Chester-Joplin-Inverness Elementary School District / 2,233 |
| 262. | 0.3% | Baker K-12 Schools / 2,360 |
| 262. | 0.3% | Ashland Elementary School District / 1,144 |
| 262. | 0.3% | Noxon Elementary School District / 1,534 |
| 265. | 0.3% | Sunburst K-12 Schools / 1,203 |
| 265. | 0.3% | Chester-Joplin-Inverness High School District / 2,376 |
| 267. | 0.2% | Nashua K-12 Schools / 905 |
| 268. | 0.2% | Lone Rock Elementary School District / 3,176 |
| 269. | 0.2% | Forsyth Elementary School District / 2,502 |
| 269. | 0.2% | Forsyth High School District / 2,555 |
| 271. | 0.2% | Gardiner Elementary School District / 1,809 |
| 271. | 0.2% | Frenchtown K-12 Schools / 6,181 |
| 273. | 0.2% | Bonner Elementary School District / 2,588 |
| 273. | 0.2% | Gardiner High School District / 1,881 |
| 275. | 0.2% | Malta K-12 Schools / 3,380 |
| 276. | 0.2% | Noxon High School District / 2,415 |
| 277. | 0.2% | Browning High School District / 9,084 |
| 278. | 0.1% | Lame Deer High School District / 5,207 |
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.
