| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 28.6% | Auchard Creek Elementary School District / 7 |
| 2. | 11.6% | Grant Elementary School District / 103 |
| 3. | 8.5% | Biddle Elementary School District / 109 |
| 4. | 7.4% | Lambert High School District / 295 |
| 5. | 7.2% | Geraldine Elementary School District / 610 |
| 6. | 6.6% | Geraldine High School District / 664 |
| 7. | 6.6% | Lambert Elementary School District / 324 |
| 8. | 6.2% | Cardwell Elementary School District / 397 |
| 9. | 5.9% | Highwood High School District / 466 |
| 10. | 5.4% | West Yellowstone K-12 School District / 2,005 |
| 11. | 5.3% | Highwood Elementary School District / 512 |
| 12. | 4.7% | Pioneer Elementary School District / 1,187 |
| 13. | 4.4% | Terry K-12 Schools / 1,193 |
| 14. | 4.2% | Grass Range Elementary School District / 410 |
| 15. | 4.2% | Clancy Elementary School District / 2,732 |
| 16. | 4.1% | Wisdom Elementary School District / 333 |
| 17. | 4.1% | Dutton/Brady K-12 Schools / 1,034 |
| 18. | 4.0% | Rapelje Elementary School District / 347 |
| 19. | 3.9% | Grass Range High School District / 444 |
| 20. | 3.9% | Greycliff Elementary School District / 278 |
| 21. | 3.7% | Dodson High School District / 320 |
| 22. | 3.4% | Rapelje High School District / 438 |
| 23. | 3.3% | Potomac Elementary School District / 895 |
| 24. | 3.3% | Shields Valley High School District / 1,893 |
| 24. | 3.3% | Shields Valley Elementary School District / 1,893 |
| 26. | 3.2% | Ovando Elementary School District / 311 |
| 26. | 3.2% | Deer Lodge Elementary School District / 5,626 |
| 28. | 3.2% | Eureka Elementary School District / 4,688 |
| 29. | 3.2% | St. Regis K-12 Schools / 1,258 |
| 30. | 3.1% | Sun River Valley Elementary School District / 2,258 |
| 31. | 3.1% | Cottonwood Elementary School District / 397 |
| 32. | 3.0% | Lima K-12 Schools / 516 |
| 32. | 3.0% | Sunset Elementary School District / 235 |
| 34. | 3.0% | Upper West Shore Elementary School District / 800 |
| 35. | 2.9% | Belgrade Elementary School District / 20,505 |
| 36. | 2.9% | Ekalaka Elementary School District / 944 |
| 36. | 2.9% | Belgrade High School District / 20,757 |
| 38. | 2.9% | Kila Elementary School District / 2,045 |
| 39. | 2.8% | McCormick Elementary School District / 593 |
| 40. | 2.8% | Harrison K-12 Schools / 824 |
| 41. | 2.7% | Powell County High School District / 7,234 |
| 42. | 2.6% | Nye Elementary School District / 283 |
| 43. | 2.6% | Lincoln K-12 Schools / 975 |
| 44. | 2.6% | Butte Elementary School District / 32,639 |
| 45. | 2.6% | Lincoln County High School District / 6,225 |
| 46. | 2.6% | Butte High School District / 34,143 |
| 47. | 2.5% | Woodman Elementary School District / 472 |
| 48. | 2.4% | Plevna K-12 Schools / 461 |
| 49. | 2.4% | Cayuse Prairie Elementary School District / 2,703 |
| 50. | 2.4% | Beaverhead County High School District / 8,712 |
| 51. | 2.3% | Hamilton K-12 Schools / 11,101 |
| 51. | 2.3% | Name N/A / 2,131 |
| 53. | 2.3% | Dillon Elementary School District / 7,659 |
| 53. | 2.3% | Carter County High School District / 1,261 |
| 53. | 2.3% | De Smet Elementary School District / 694 |
| 56. | 2.3% | Simms High School District / 3,312 |
| 57. | 2.3% | Troy Elementary School District / 2,534 |
| 57. | 2.3% | Troy High School District / 3,339 |
| 57. | 2.3% | Stevensville Elementary School District / 7,158 |
| 60. | 2.3% | Alberton K-12 Schools / 1,198 |
| 61. | 2.2% | Victor K-12 Schools / 3,338 |
| 62. | 2.2% | Brorson Elementary School District / 176 |
| 63. | 2.2% | Lolo Elementary School District / 4,450 |
| 64. | 2.2% | Sheridan Elementary School District / 1,320 |
| 64. | 2.2% | Bridger K-12 Schools / 1,528 |
| 66. | 2.2% | Amsterdam Elementary School District / 1,975 |
| 66. | 2.2% | Columbia Falls Elementary School District / 14,268 |
| 68. | 2.1% | Columbia Falls High School District / 14,823 |
| 69. | 2.1% | Plains Elementary School District / 2,861 |
| 70. | 2.1% | Jefferson High School District / 8,101 |
| 70. | 2.1% | Red Lodge Elementary School District / 3,120 |
| 70. | 2.1% | Ramsay Elementary School District / 1,257 |
| 73. | 2.0% | East Glacier Park Elementary School District / 807 |
| 74. | 2.0% | Anaconda Elementary School District / 9,029 |
| 75. | 2.0% | Philipsburg K-12 Schools / 1,557 |
| 76. | 2.0% | Dixon Elementary School District / 613 |
| 76. | 2.0% | Whitehall High School District / 3,632 |
| 76. | 2.0% | Anaconda High School District / 9,110 |
| 79. | 1.9% | Conrad Elementary School District / 3,357 |
| 79. | 1.9% | Red Lodge High School District / 3,565 |
| 81. | 1.9% | Plains High School District / 3,250 |
| 82. | 1.9% | Custer K-12 Schools / 474 |
| 83. | 1.9% | Sheridan High School District / 1,622 |
| 84. | 1.9% | Dupuyer Elementary School District / 228 |
| 85. | 1.9% | Boulder Elementary School District / 2,155 |
| 86. | 1.8% | Conrad High School District / 3,568 |
| 87. | 1.8% | Whitewater K-12 Schools / 123 |
| 88. | 1.7% | West Glacier Elementary School District / 555 |
| 89. | 1.7% | Stevensville High School District / 10,559 |
| 89. | 1.7% | Darby K-12 Schools / 3,631 |
| 89. | 1.7% | Willow Creek High School District / 375 |
| 92. | 1.7% | White Sulphur Springs Elementary School District / 1,853 |
| 93. | 1.7% | Seeley Lake Elementary School District / 1,777 |
| 94. | 1.7% | White Sulphur Springs High School District / 1,900 |
| 95. | 1.7% | Miles City Elementary School District / 9,908 |
| 96. | 1.6% | Joliet Elementary School District / 1,896 |
| 97. | 1.6% | Jackson Elementary School District / 140 |
| 98. | 1.6% | Laurel High School District / 10,417 |
| 99. | 1.6% | Bigfork Elementary School District / 5,807 |
| 100. | 1.5% | Willow Creek Elementary School District / 418 |
| 100. | 1.5% | Whitefish Elementary School District / 13,286 |
| 102. | 1.5% | Cut Bank Elementary School District / 4,406 |
| 102. | 1.5% | Cut Bank High School District / 4,406 |
| 104. | 1.5% | Florence-Carlton K-12 Schools / 5,443 |
| 105. | 1.5% | Laurel Elementary School District / 10,859 |
| 106. | 1.5% | Custer County High School District / 11,706 |
| 106. | 1.5% | Hawks Home Elementary School District / 134 |
| 108. | 1.5% | Canyon Creek Elementary School District / 2,211 |
| 109. | 1.5% | Target Range Elementary School District / 3,331 |
| 109. | 1.5% | Charlo High School District / 1,910 |
| 109. | 1.5% | Fortine Elementary School District / 816 |
| 109. | 1.5% | Whitefish High School District / 13,999 |
| 109. | 1.5% | Fishtail Elementary School District / 298 |
| 114. | 1.4% | Whitehall Elementary School District / 3,133 |
| 115. | 1.4% | Monforton Elementary School District / 2,074 |
| 116. | 1.4% | Manhattan High School District / 4,646 |
| 117. | 1.4% | Bozeman Elementary School District / 51,299 |
| 118. | 1.4% | Golden Ridge Elementary School District / 171 |
| 118. | 1.4% | Bigfork High School District / 7,617 |
| 120. | 1.3% | Bozeman High School District / 57,488 |
| 121. | 1.3% | Judith Gap High School District / 357 |
| 121. | 1.3% | Judith Gap Elementary School District / 357 |
| 121. | 1.3% | Joliet High School District / 2,338 |
| 124. | 1.3% | Reichle Elementary School District / 92 |
| 125. | 1.3% | Box Elder High School District / 338 |
| 125. | 1.3% | Springhill Elementary School District / 173 |
| 125. | 1.3% | Missoula High School District / 100,130 |
| 125. | 1.3% | Box Elder Elementary School District / 338 |
| 129. | 1.3% | Lewistown Elementary School District / 8,923 |
| 129. | 1.3% | Blue Creek Elementary School District / 2,204 |
| 131. | 1.3% | Great Falls Elementary School District / 71,331 |
| 131. | 1.3% | Helena Elementary School District / 50,452 |
| 131. | 1.3% | Name N/A / 878,315 |
| 134. | 1.2% | Missoula Elementary School District / 69,543 |
| 134. | 1.2% | Great Falls High School District / 71,447 |
| 134. | 1.2% | Absarokee High School District / 2,105 |
| 137. | 1.2% | Melrose Elementary School District / 88 |
| 138. | 1.2% | Fergus High School District / 9,218 |
| 139. | 1.2% | Charlo Elementary School District / 1,297 |
| 139. | 1.2% | Sweet Grass County High School District / 3,533 |
| 139. | 1.2% | Hellgate Elementary School District / 13,221 |
| 142. | 1.2% | Big Timber Elementary School District / 2,719 |
| 143. | 1.2% | Helena High School District / 61,687 |
| 144. | 1.1% | Cascade Elementary School District / 1,727 |
| 145. | 1.1% | Gallatin Gateway Elementary School District / 1,559 |
| 145. | 1.1% | Stanford K-12 Schools / 924 |
| 147. | 1.1% | Ronan Elementary School District / 8,775 |
| 147. | 1.1% | Ronan High School District / 8,775 |
| 149. | 1.1% | Yaak Elementary School District / 212 |
| 149. | 1.1% | La Motte Elementary School District / 792 |
| 151. | 1.1% | Billings Elementary School District / 107,997 |
| 151. | 1.1% | Roundup Elementary School District / 4,152 |
| 153. | 1.1% | Swan Valley Elementary School District / 495 |
| 154. | 1.1% | West Valley Elementary School District / 3,597 |
| 155. | 1.1% | Billings High School District / 128,803 |
| 155. | 1.1% | Creston Elementary School District / 1,202 |
| 155. | 1.1% | Fairfield Elementary School District / 1,020 |
| 158. | 1.1% | Havre High School District / 12,675 |
| 158. | 1.1% | Polson High School District / 11,057 |
| 160. | 1.0% | Roundup High School District / 4,330 |
| 160. | 1.0% | Luther Elementary School District / 335 |
| 162. | 1.0% | Havre Elementary School District / 12,257 |
| 163. | 1.0% | Libby K-12 Schools / 10,030 |
| 163. | 1.0% | Fairfield High School District / 1,690 |
| 165. | 1.0% | Flathead High School District / 56,804 |
| 165. | 1.0% | Colstrip Elementary School District / 2,674 |
| 165. | 1.0% | Ennis K-12 Schools / 3,471 |
| 165. | 1.0% | Colstrip High School District / 2,674 |
| 169. | 0.9% | Absarokee Elementary School District / 1,634 |
| 169. | 0.9% | Plentywood K-12 Schools / 2,259 |
| 171. | 0.9% | Kalispell Elementary School District / 27,618 |
| 172. | 0.9% | Kircher Elementary School District / 824 |
| 172. | 0.9% | Fromberg K-12 Schools / 1,317 |
| 172. | 0.9% | Reedpoint High School District / 641 |
| 172. | 0.9% | Polson Elementary School District / 9,980 |
| 176. | 0.9% | Evergreen Elementary School District / 5,567 |
| 177. | 0.9% | East Helena Elementary School District / 9,157 |
| 177. | 0.9% | Circle Elementary School District / 1,362 |
| 179. | 0.9% | Helena Flats Elementary School District / 1,884 |
| 180. | 0.8% | Reedpoint Elementary School District / 682 |
| 180. | 0.8% | Shelby Elementary School District / 3,790 |
| 182. | 0.8% | Manhattan Elementary School District / 2,624 |
| 183. | 0.8% | Paradise Elementary School District / 389 |
| 183. | 0.8% | Swan River Elementary School District / 1,611 |
| 183. | 0.8% | Richey Elementary School District / 389 |
| 183. | 0.8% | Choteau Elementary School District / 2,616 |
| 187. | 0.8% | Superior K-12 Schools / 2,361 |
| 187. | 0.8% | Trinity Elementary School District / 1,420 |
| 189. | 0.8% | Shelby High School District / 4,048 |
| 189. | 0.8% | Columbus Elementary School District / 3,669 |
| 189. | 0.8% | Wibaux K-12 Schools / 899 |
| 192. | 0.8% | Frenchtown K-12 Schools / 6,743 |
| 193. | 0.8% | Valley View Elementary School District / 277 |
| 193. | 0.8% | Cascade High School District / 2,570 |
| 195. | 0.7% | Columbus High School District / 3,820 |
| 195. | 0.7% | Molt Elementary School District / 149 |
| 195. | 0.7% | Elder Grove Elementary School District / 2,982 |
| 195. | 0.7% | Elysian Elementary School District / 1,079 |
| 199. | 0.7% | Forsyth Elementary School District / 2,524 |
| 199. | 0.7% | Bynum Elementary School District / 278 |
| 199. | 0.7% | Choteau High School District / 3,203 |
| 202. | 0.7% | Forsyth High School District / 2,588 |
| 202. | 0.7% | Arrowhead Elementary School District / 1,889 |
| 204. | 0.7% | Richey High School District / 455 |
| 204. | 0.7% | Alder Elementary School District / 302 |
| 206. | 0.7% | Corvallis K-12 Schools / 7,547 |
| 206. | 0.7% | Fort Benton Elementary School District / 1,790 |
| 208. | 0.7% | Twin Bridges K-12 Schools / 1,419 |
| 209. | 0.7% | Park City High School District / 2,154 |
| 210. | 0.7% | Divide Elementary School District / 159 |
| 211. | 0.6% | Belt High School District / 2,236 |
| 211. | 0.6% | Greenfield Elementary School District / 506 |
| 211. | 0.6% | Circle High School District / 1,808 |
| 214. | 0.6% | Belt Elementary School District / 2,282 |
| 215. | 0.6% | Park City Elementary School District / 2,305 |
| 216. | 0.6% | Centerville High School District / 1,683 |
| 217. | 0.6% | Centerville Elementary School District / 1,753 |
| 217. | 0.6% | Gardiner Elementary School District / 1,563 |
| 219. | 0.6% | Kinsey Elementary School District / 569 |
| 219. | 0.6% | Fort Benton High School District / 2,149 |
| 219. | 0.6% | Powder River County High School District / 1,654 |
| 219. | 0.6% | Gardiner High School District / 1,615 |
| 223. | 0.6% | Nashua K-12 Schools / 854 |
| 223. | 0.6% | Anderson Elementary School District / 1,311 |
| 225. | 0.6% | Huntley Project K-12 Schools / 3,701 |
| 225. | 0.6% | Townsend K-12 Schools / 5,148 |
| 227. | 0.5% | Saco High School District / 488 |
| 228. | 0.5% | Scobey K-12 Schools / 1,734 |
| 228. | 0.5% | Saco Elementary School District / 507 |
| 230. | 0.5% | Avon Elementary School District / 214 |
| 230. | 0.5% | Moore Elementary School District / 460 |
| 230. | 0.5% | Moore High School District / 460 |
| 233. | 0.5% | Marion Elementary School District / 1,354 |
| 234. | 0.5% | Somers Elementary School District / 5,769 |
| 234. | 0.5% | Lone Rock Elementary School District / 3,401 |
| 234. | 0.5% | St. Ignatius K-12 Schools / 3,676 |
| 237. | 0.5% | Park High School District / 12,435 |
| 237. | 0.5% | Frazer Elementary School District / 425 |
| 237. | 0.5% | Lavina K-12 Schools / 441 |
| 237. | 0.5% | Froid High School District / 445 |
| 237. | 0.5% | Froid Elementary School District / 445 |
| 237. | 0.5% | Independent Elementary School District / 2,739 |
| 243. | 0.5% | Livingston Elementary School District / 9,903 |
| 244. | 0.5% | Drummond Elementary School District / 1,224 |
| 244. | 0.5% | Big Sandy Elementary School District / 1,326 |
| 246. | 0.4% | Montana City Elementary School District / 2,970 |
| 247. | 0.4% | Harlowton Elementary School District / 1,779 |
| 247. | 0.4% | Malmborg Elementary School District / 248 |
| 247. | 0.4% | Smith Valley Elementary School District / 1,982 |
| 250. | 0.4% | Harlowton High School District / 1,852 |
| 251. | 0.4% | Lockwood Elementary School District / 7,779 |
| 251. | 0.4% | Shepherd Elementary School District / 3,927 |
| 251. | 0.4% | Zurich Elementary School District / 299 |
| 251. | 0.4% | Shepherd High School District / 3,927 |
| 255. | 0.4% | Drummond High School District / 1,526 |
| 256. | 0.4% | Sunburst K-12 Schools / 1,162 |
| 257. | 0.4% | Rau Elementary School District / 286 |
| 258. | 0.3% | Vaughn Elementary School District / 1,054 |
| 259. | 0.3% | Frazer High School District / 634 |
| 259. | 0.3% | Wolf Creek Elementary School District / 658 |
| 261. | 0.3% | Baker K-12 Schools / 2,590 |
| 261. | 0.3% | Thompson Falls Elementary School District / 3,405 |
| 261. | 0.3% | Thompson Falls High School District / 3,405 |
| 264. | 0.3% | Browning High School District / 9,016 |
| 264. | 0.3% | Fair-Mont-Egan Elementary School District / 1,449 |
| 266. | 0.3% | Noxon Elementary School District / 1,791 |
| 267. | 0.3% | Valier High School District / 1,473 |
| 267. | 0.3% | Augusta High School District / 770 |
| 269. | 0.3% | Glendive Elementary School District / 6,490 |
| 269. | 0.3% | Malta K-12 Schools / 3,272 |
| 271. | 0.2% | Big Sandy High School District / 2,532 |
| 272. | 0.2% | Chester-Joplin-Inverness Elementary School District / 2,263 |
| 273. | 0.2% | Denton Elementary School District / 581 |
| 273. | 0.2% | Sidney High School District / 7,731 |
| 273. | 0.2% | Three Forks High School District / 3,076 |
| 276. | 0.2% | Three Forks Elementary School District / 3,148 |
| 276. | 0.2% | Chester-Joplin-Inverness High School District / 2,451 |
| 276. | 0.2% | Denton High School District / 610 |
| 279. | 0.2% | Noxon High School District / 2,618 |
| 280. | 0.2% | Dawson High School District / 8,567 |
| 281. | 0.2% | Frontier Elementary School District / 648 |
| 281. | 0.2% | Sidney Elementary School District / 7,143 |
| 283. | 0.2% | Clinton Elementary School District / 2,314 |
| 283. | 0.2% | Hysham K-12 Schools / 698 |
| 285. | 0.2% | Hot Springs High School District / 1,565 |
| 285. | 0.2% | Hot Springs Elementary School District / 1,565 |
| 287. | 0.1% | Browning Elementary School District / 8,209 |
| 288. | 0.1% | Wolf Point High School District / 4,527 |
| 288. | 0.1% | Medicine Lake K-12 Schools / 868 |
| 290. | 0.1% | Wolf Point Elementary School District / 3,879 |
| 291. | 0.1% | Glasgow K-12 Schools / 5,157 |
| 292. | 0.1% | Chinook High School District / 2,267 |
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.
