| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 50.0% | Auchard Creek Elementary School District / 4 |
| 2. | 8.1% | Hinsdale Elementary School District / 461 |
| 3. | 7.8% | Biddle Elementary School District / 101 |
| 4. | 7.6% | Hinsdale High School District / 490 |
| 5. | 7.0% | Judith Gap Elementary School District / 325 |
| 5. | 7.0% | Judith Gap High School District / 325 |
| 7. | 6.9% | McLeod Elementary School District / 240 |
| 8. | 6.7% | Wisdom Elementary School District / 285 |
| 9. | 5.8% | Cardwell Elementary School District / 435 |
| 10. | 5.5% | Reichle Elementary School District / 127 |
| 11. | 5.5% | West Yellowstone K-12 School District / 2,041 |
| 12. | 5.1% | Spring Creek Elementary School District / 44 |
| 13. | 4.8% | McCormick Elementary School District / 500 |
| 14. | 4.8% | Terry K-12 Schools / 1,282 |
| 15. | 4.5% | Eureka Elementary School District / 4,808 |
| 16. | 4.4% | Clancy Elementary School District / 2,935 |
| 17. | 4.3% | Zurich Elementary School District / 281 |
| 18. | 4.3% | Rapelje Elementary School District / 348 |
| 19. | 3.9% | Brorson Elementary School District / 116 |
| 20. | 3.9% | Shields Valley High School District / 1,705 |
| 20. | 3.9% | Shields Valley Elementary School District / 1,705 |
| 22. | 3.7% | Rapelje High School District / 455 |
| 23. | 3.7% | Sunset Elementary School District / 209 |
| 24. | 3.6% | Ovando Elementary School District / 239 |
| 24. | 3.6% | Lincoln County High School District / 6,459 |
| 26. | 3.5% | Nye Elementary School District / 210 |
| 27. | 3.3% | Hamilton K-12 Schools / 11,592 |
| 27. | 3.3% | Lima K-12 Schools / 522 |
| 29. | 3.1% | Avon Elementary School District / 237 |
| 30. | 3.1% | Three Forks High School District / 3,381 |
| 31. | 3.0% | De Smet Elementary School District / 796 |
| 31. | 3.0% | Three Forks Elementary School District / 3,485 |
| 33. | 2.8% | Greycliff Elementary School District / 234 |
| 33. | 2.8% | Lolo Elementary School District / 4,903 |
| 35. | 2.8% | Sheridan Elementary School District / 1,378 |
| 36. | 2.8% | Pioneer Elementary School District / 1,147 |
| 37. | 2.8% | Lincoln K-12 Schools / 1,130 |
| 38. | 2.6% | Alberton K-12 Schools / 1,286 |
| 39. | 2.6% | Geraldine High School District / 568 |
| 40. | 2.6% | Potomac Elementary School District / 1,062 |
| 41. | 2.6% | Whitewater K-12 Schools / 174 |
| 42. | 2.6% | Colstrip High School District / 2,445 |
| 42. | 2.6% | Colstrip Elementary School District / 2,445 |
| 44. | 2.5% | Fishtail Elementary School District / 392 |
| 45. | 2.5% | Belgrade Elementary School District / 20,497 |
| 46. | 2.5% | Belgrade High School District / 20,718 |
| 47. | 2.5% | Polaris Elementary School District / 85 |
| 47. | 2.5% | Custer K-12 Schools / 411 |
| 47. | 2.5% | Hawks Home Elementary School District / 127 |
| 50. | 2.5% | Monforton Elementary School District / 2,232 |
| 51. | 2.4% | Sheridan High School District / 1,650 |
| 52. | 2.3% | Springhill Elementary School District / 148 |
| 53. | 2.3% | Melrose Elementary School District / 97 |
| 53. | 2.3% | Jefferson High School District / 8,158 |
| 55. | 2.3% | Richey Elementary School District / 426 |
| 56. | 2.3% | Woodman Elementary School District / 458 |
| 57. | 2.3% | Cottonwood Elementary School District / 347 |
| 58. | 2.2% | Dodson High School District / 344 |
| 59. | 2.2% | Bridger K-12 Schools / 1,739 |
| 60. | 2.1% | Springdale Elementary School District / 210 |
| 61. | 2.0% | Corvallis K-12 Schools / 7,474 |
| 62. | 2.0% | Darby K-12 Schools / 3,554 |
| 62. | 2.0% | West Glacier Elementary School District / 570 |
| 62. | 2.0% | Richey High School District / 491 |
| 65. | 2.0% | Independent Elementary School District / 2,659 |
| 66. | 1.9% | Ramsay Elementary School District / 1,114 |
| 67. | 1.9% | Grass Range Elementary School District / 420 |
| 67. | 1.9% | Jackson Elementary School District / 129 |
| 67. | 1.9% | Name N/A / 2,538 |
| 67. | 1.9% | Cayuse Prairie Elementary School District / 2,379 |
| 71. | 1.9% | Sun River Valley Elementary School District / 2,296 |
| 72. | 1.8% | Kila Elementary School District / 2,090 |
| 73. | 1.8% | La Motte Elementary School District / 778 |
| 74. | 1.8% | Superior K-12 Schools / 2,108 |
| 75. | 1.7% | White Sulphur Springs Elementary School District / 1,919 |
| 76. | 1.7% | Bigfork Elementary School District / 5,893 |
| 76. | 1.7% | Butte Elementary School District / 33,054 |
| 78. | 1.7% | Beaverhead County High School District / 8,772 |
| 78. | 1.7% | Cut Bank High School District / 4,323 |
| 78. | 1.7% | Cut Bank Elementary School District / 4,323 |
| 78. | 1.7% | Butte High School District / 34,435 |
| 82. | 1.7% | Whitehall High School District / 3,793 |
| 83. | 1.6% | White Sulphur Springs High School District / 2,026 |
| 84. | 1.6% | Grass Range High School District / 488 |
| 85. | 1.6% | Ekalaka Elementary School District / 884 |
| 86. | 1.6% | Hellgate Elementary School District / 13,024 |
| 87. | 1.6% | Simms High School District / 3,330 |
| 88. | 1.5% | Dillon Elementary School District / 7,763 |
| 88. | 1.5% | Bozeman High School District / 59,840 |
| 90. | 1.5% | Bozeman Elementary School District / 53,316 |
| 90. | 1.5% | Elliston Elementary School District / 484 |
| 92. | 1.5% | Ennis K-12 Schools / 3,483 |
| 92. | 1.5% | Target Range Elementary School District / 3,691 |
| 94. | 1.5% | Hobson K-12 Schools / 755 |
| 94. | 1.5% | Carter County High School District / 1,187 |
| 94. | 1.5% | Fortine Elementary School District / 898 |
| 97. | 1.5% | S H Elementary School District / 157 |
| 98. | 1.5% | Seeley Lake Elementary School District / 1,571 |
| 99. | 1.4% | Sweet Grass County High School District / 3,511 |
| 99. | 1.4% | Powell County High School District / 7,207 |
| 101. | 1.4% | Twin Bridges K-12 Schools / 1,382 |
| 101. | 1.4% | Philipsburg K-12 Schools / 1,644 |
| 103. | 1.4% | Upper West Shore Elementary School District / 798 |
| 103. | 1.4% | Molt Elementary School District / 157 |
| 105. | 1.4% | Bigfork High School District / 7,593 |
| 105. | 1.4% | Deer Lodge Elementary School District / 5,648 |
| 107. | 1.4% | Kircher Elementary School District / 797 |
| 108. | 1.4% | Boulder Elementary School District / 2,137 |
| 109. | 1.3% | Dixon Elementary School District / 586 |
| 109. | 1.3% | Amsterdam Elementary School District / 2,008 |
| 111. | 1.3% | Smith Valley Elementary School District / 1,883 |
| 112. | 1.3% | Florence-Carlton K-12 Schools / 5,211 |
| 112. | 1.3% | Blue Creek Elementary School District / 2,052 |
| 114. | 1.3% | Plevna K-12 Schools / 460 |
| 114. | 1.3% | Missoula High School District / 102,467 |
| 116. | 1.3% | Arrowhead Elementary School District / 1,718 |
| 117. | 1.3% | Cottonwood Elementary School District / 193 |
| 117. | 1.3% | Lambert High School District / 283 |
| 119. | 1.2% | Lavina K-12 Schools / 385 |
| 120. | 1.2% | Manhattan High School District / 4,431 |
| 121. | 1.2% | Great Falls Elementary School District / 72,487 |
| 121. | 1.2% | Great Falls High School District / 72,595 |
| 123. | 1.2% | Roundup Elementary School District / 4,399 |
| 123. | 1.2% | Libby K-12 Schools / 9,600 |
| 125. | 1.2% | Stevensville Elementary School District / 7,152 |
| 126. | 1.2% | St. Regis K-12 Schools / 1,333 |
| 126. | 1.2% | Helena Elementary School District / 51,357 |
| 128. | 1.2% | Missoula Elementary School District / 70,909 |
| 129. | 1.2% | Billings Elementary School District / 111,515 |
| 129. | 1.2% | Miles City Elementary School District / 10,064 |
| 129. | 1.2% | Roundup High School District / 4,551 |
| 132. | 1.1% | Manhattan Elementary School District / 2,390 |
| 132. | 1.1% | Cascade Elementary School District / 1,907 |
| 134. | 1.1% | Ronan High School District / 8,707 |
| 134. | 1.1% | Ronan Elementary School District / 8,707 |
| 136. | 1.1% | Custer County High School District / 11,869 |
| 136. | 1.1% | Townsend K-12 Schools / 5,219 |
| 138. | 1.1% | Billings High School District / 133,015 |
| 138. | 1.1% | Name N/A / 891,341 |
| 138. | 1.1% | Polson High School District / 11,606 |
| 141. | 1.1% | Polson Elementary School District / 10,500 |
| 142. | 1.1% | Whitehall Elementary School District / 3,215 |
| 142. | 1.1% | Helena High School District / 62,953 |
| 142. | 1.1% | Whitefish Elementary School District / 13,008 |
| 142. | 1.1% | Gallatin Gateway Elementary School District / 1,711 |
| 146. | 1.1% | Swan Valley Elementary School District / 639 |
| 147. | 1.1% | Charlo High School District / 1,834 |
| 148. | 1.1% | Evergreen Elementary School District / 5,586 |
| 149. | 1.0% | Whitefish High School District / 13,669 |
| 149. | 1.0% | Victor K-12 Schools / 3,538 |
| 151. | 1.0% | Yaak Elementary School District / 267 |
| 151. | 1.0% | Montana City Elementary School District / 2,853 |
| 153. | 1.0% | Luther Elementary School District / 385 |
| 154. | 1.0% | Carter Elementary School District / 208 |
| 155. | 1.0% | Red Lodge Elementary School District / 3,112 |
| 155. | 1.0% | Melville Elementary School District / 237 |
| 157. | 1.0% | Plentywood K-12 Schools / 2,464 |
| 157. | 1.0% | Red Lodge High School District / 3,631 |
| 157. | 1.0% | Absarokee High School District / 2,076 |
| 157. | 1.0% | Anaconda High School District / 9,046 |
| 161. | 1.0% | Anaconda Elementary School District / 8,970 |
| 162. | 0.9% | Charlo Elementary School District / 1,248 |
| 163. | 0.9% | Stevensville High School District / 10,247 |
| 164. | 0.9% | Big Timber Elementary School District / 2,771 |
| 165. | 0.9% | Reedpoint High School District / 711 |
| 166. | 0.9% | Kalispell Elementary School District / 28,320 |
| 166. | 0.9% | Joliet Elementary School District / 2,089 |
| 166. | 0.9% | Reedpoint Elementary School District / 718 |
| 169. | 0.9% | Belt High School District / 1,774 |
| 169. | 0.9% | Big Sandy Elementary School District / 1,336 |
| 171. | 0.9% | Belfry K-12 Schools / 628 |
| 171. | 0.9% | Trout Creek Elementary School District / 901 |
| 171. | 0.9% | Lambert Elementary School District / 393 |
| 171. | 0.9% | Flathead High School District / 58,126 |
| 175. | 0.9% | Dutton/Brady K-12 Schools / 1,068 |
| 176. | 0.8% | Belt Elementary School District / 1,832 |
| 177. | 0.8% | Wolf Creek Elementary School District / 581 |
| 178. | 0.8% | Troy High School District / 3,396 |
| 179. | 0.8% | Wolf Point Elementary School District / 4,141 |
| 179. | 0.8% | Sunburst K-12 Schools / 1,115 |
| 179. | 0.8% | Canyon Creek Elementary School District / 2,315 |
| 179. | 0.8% | Cascade High School District / 2,639 |
| 183. | 0.8% | Plains Elementary School District / 2,788 |
| 183. | 0.8% | Wibaux K-12 Schools / 987 |
| 185. | 0.8% | Anderson Elementary School District / 1,397 |
| 186. | 0.8% | Vaughn Elementary School District / 1,034 |
| 186. | 0.8% | Willow Creek Elementary School District / 368 |
| 186. | 0.8% | Valley View Elementary School District / 308 |
| 186. | 0.8% | Fort Benton Elementary School District / 1,728 |
| 186. | 0.8% | Joliet High School District / 2,414 |
| 191. | 0.7% | Wolf Point High School District / 4,735 |
| 191. | 0.7% | Helena Flats Elementary School District / 1,780 |
| 191. | 0.7% | Turner High School District / 307 |
| 194. | 0.7% | Harrison K-12 Schools / 749 |
| 194. | 0.7% | Saco High School District / 516 |
| 194. | 0.7% | Plains High School District / 3,177 |
| 197. | 0.7% | Havre High School District / 12,531 |
| 198. | 0.7% | Fort Benton High School District / 2,166 |
| 198. | 0.7% | Saco Elementary School District / 545 |
| 198. | 0.7% | Turner Elementary School District / 322 |
| 201. | 0.7% | Somers Elementary School District / 6,322 |
| 201. | 0.7% | Froid Elementary School District / 502 |
| 201. | 0.7% | Froid High School District / 502 |
| 204. | 0.7% | Havre Elementary School District / 12,161 |
| 205. | 0.7% | Shepherd Elementary School District / 4,069 |
| 205. | 0.7% | Park High School District / 12,483 |
| 205. | 0.7% | Trinity Elementary School District / 1,733 |
| 205. | 0.7% | Shepherd High School District / 4,069 |
| 209. | 0.6% | East Helena Elementary School District / 9,282 |
| 210. | 0.6% | Lewistown Elementary School District / 8,920 |
| 211. | 0.6% | Elysian Elementary School District / 1,338 |
| 211. | 0.6% | Fairfield Elementary School District / 1,270 |
| 211. | 0.6% | Shelby Elementary School District / 3,793 |
| 214. | 0.6% | Fergus High School District / 9,271 |
| 215. | 0.6% | Malmborg Elementary School District / 213 |
| 216. | 0.6% | Wise River Elementary School District / 383 |
| 217. | 0.6% | Baker K-12 Schools / 2,568 |
| 217. | 0.6% | Shelby High School District / 4,093 |
| 217. | 0.6% | Chester-Joplin-Inverness Elementary School District / 2,185 |
| 220. | 0.5% | Laurel High School District / 10,113 |
| 221. | 0.5% | Rau Elementary School District / 391 |
| 222. | 0.5% | Laurel Elementary School District / 10,438 |
| 222. | 0.5% | Fromberg K-12 Schools / 1,030 |
| 222. | 0.5% | Drummond Elementary School District / 1,167 |
| 222. | 0.5% | Pine Creek Elementary School District / 448 |
| 226. | 0.5% | Livingston Elementary School District / 10,129 |
| 227. | 0.5% | Chester-Joplin-Inverness High School District / 2,391 |
| 227. | 0.5% | Chinook High School District / 2,241 |
| 229. | 0.5% | Denton Elementary School District / 469 |
| 229. | 0.5% | Park City High School District / 2,061 |
| 229. | 0.5% | Malta K-12 Schools / 3,160 |
| 232. | 0.5% | Roberts K-12 Schools / 747 |
| 232. | 0.5% | Centerville Elementary School District / 1,665 |
| 232. | 0.5% | Centerville High School District / 1,615 |
| 232. | 0.5% | Denton High School District / 479 |
| 236. | 0.5% | Big Sandy High School District / 2,612 |
| 237. | 0.5% | Trego Elementary School District / 753 |
| 237. | 0.5% | Frenchtown K-12 Schools / 6,408 |
| 239. | 0.5% | Park City Elementary School District / 2,265 |
| 239. | 0.5% | Powder River County High School District / 1,728 |
| 241. | 0.4% | Medicine Lake K-12 Schools / 747 |
| 242. | 0.4% | Kinsey Elementary School District / 559 |
| 242. | 0.4% | Swan River Elementary School District / 1,489 |
| 242. | 0.4% | Drummond High School District / 1,489 |
| 245. | 0.4% | Conrad Elementary School District / 3,568 |
| 246. | 0.4% | Fairfield High School District / 1,965 |
| 246. | 0.4% | Scobey K-12 Schools / 1,813 |
| 246. | 0.4% | West Valley Elementary School District / 3,967 |
| 249. | 0.4% | Conrad High School District / 3,800 |
| 250. | 0.4% | Hot Springs High School District / 1,471 |
| 250. | 0.4% | Forsyth Elementary School District / 2,609 |
| 252. | 0.4% | Huntley Project K-12 Schools / 3,538 |
| 252. | 0.4% | Forsyth High School District / 2,680 |
| 254. | 0.3% | Fair-Mont-Egan Elementary School District / 1,341 |
| 254. | 0.3% | Columbia Falls High School District / 15,228 |
| 256. | 0.3% | Deer Park Elementary School District / 1,119 |
| 256. | 0.3% | Lone Rock Elementary School District / 3,095 |
| 256. | 0.3% | Choteau Elementary School District / 2,399 |
| 256. | 0.3% | Arlee Elementary School District / 2,479 |
| 256. | 0.3% | East Glacier Park Elementary School District / 683 |
| 256. | 0.3% | Arlee High School District / 2,479 |
| 256. | 0.3% | Augusta High School District / 689 |
| 256. | 0.3% | Marion Elementary School District / 1,486 |
| 264. | 0.3% | Hysham K-12 Schools / 761 |
| 264. | 0.3% | Lockwood Elementary School District / 8,067 |
| 264. | 0.3% | Noxon High School District / 2,403 |
| 267. | 0.3% | Winifred K-12 Schools / 424 |
| 267. | 0.3% | Columbia Falls Elementary School District / 14,658 |
| 269. | 0.3% | Columbus Elementary School District / 3,754 |
| 270. | 0.3% | Paradise Elementary School District / 389 |
| 270. | 0.3% | Gardiner Elementary School District / 1,733 |
| 270. | 0.3% | Choteau High School District / 2,921 |
| 273. | 0.3% | Gardiner High School District / 1,776 |
| 273. | 0.3% | Columbus High School District / 3,958 |
| 273. | 0.3% | St. Ignatius K-12 Schools / 3,369 |
| 276. | 0.2% | Highwood High School District / 513 |
| 276. | 0.2% | Valier Elementary School District / 1,022 |
| 278. | 0.2% | Clinton Elementary School District / 2,448 |
| 278. | 0.2% | Frontier Elementary School District / 594 |
| 278. | 0.2% | Absarokee Elementary School District / 1,608 |
| 278. | 0.2% | Frazer Elementary School District / 498 |
| 282. | 0.2% | Elder Grove Elementary School District / 3,410 |
| 282. | 0.2% | Creston Elementary School District / 1,111 |
| 284. | 0.2% | Valier High School District / 1,210 |
| 285. | 0.2% | Nashua K-12 Schools / 800 |
| 286. | 0.1% | North Star Elementary School District / 811 |
| 286. | 0.1% | Poplar Elementary School District / 3,661 |
| 286. | 0.1% | Thompson Falls High School District / 3,734 |
| 286. | 0.1% | Poplar High School District / 3,661 |
| 286. | 0.1% | Thompson Falls Elementary School District / 3,734 |
| 286. | 0.1% | Troy Elementary School District / 2,629 |
| 286. | 0.1% | Frazer High School District / 719 |
| 293. | 0.1% | North Star High School District / 941 |
| 294. | 0.1% | Harlem Elementary School District / 2,405 |
| 294. | 0.1% | Browning High School District / 9,318 |
| 296. | 0.1% | Browning Elementary School District / 8,635 |
| 296. | 0.1% | Sidney High School District / 8,438 |
| 296. | 0.1% | Harlem High School District / 2,569 |
| 299. | 0.1% | Lodge Grass Elementary School District / 1,467 |
| 299. | 0.1% | Glasgow K-12 Schools / 5,202 |
| 301. | 0.1% | Lodge Grass High School District / 1,841 |
| 302. | 0.0% | Hardin High School District / 8,868 |
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.
