| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 12.5% | Grant Elementary School District / 113 |
| 2. | 9.7% | Shawmut Elementary School District / 103 |
| 3. | 7.8% | Highwood High School District / 482 |
| 4. | 6.9% | Highwood Elementary School District / 540 |
| 5. | 6.0% | Lambert High School District / 384 |
| 6. | 5.7% | Sunset Elementary School District / 174 |
| 7. | 5.7% | Lambert Elementary School District / 407 |
| 8. | 5.5% | Geraldine Elementary School District / 652 |
| 9. | 5.2% | Joliet High School District / 2,178 |
| 10. | 5.0% | Twin Bridges K-12 Schools / 1,351 |
| 11. | 4.9% | Geraldine High School District / 713 |
| 12. | 4.8% | Victor K-12 Schools / 3,644 |
| 13. | 4.6% | King Colony Elementary School District / 140 |
| 14. | 4.4% | Laurel Elementary School District / 10,532 |
| 15. | 4.3% | Harlowton High School District / 1,772 |
| 16. | 4.2% | Name N/A / 227 |
| 17. | 4.1% | Troy Elementary School District / 2,612 |
| 18. | 4.0% | Dupuyer Elementary School District / 309 |
| 19. | 3.9% | Fishtail Elementary School District / 366 |
| 20. | 3.9% | Laurel High School District / 10,015 |
| 21. | 3.9% | Harlowton Elementary School District / 1,669 |
| 22. | 3.7% | St. Regis K-12 Schools / 1,055 |
| 23. | 3.7% | Dillon Elementary School District / 7,428 |
| 24. | 3.6% | Deer Lodge Elementary School District / 5,878 |
| 25. | 3.6% | Kila Elementary School District / 1,231 |
| 26. | 3.5% | Troy High School District / 3,222 |
| 27. | 3.5% | Beaverhead County High School District / 8,478 |
| 28. | 3.4% | Trinity Elementary School District / 1,242 |
| 29. | 3.3% | Pioneer Elementary School District / 792 |
| 30. | 3.2% | Columbia Falls Elementary School District / 13,994 |
| 31. | 3.1% | Willow Creek High School District / 169 |
| 32. | 3.1% | Ramsay Elementary School District / 1,040 |
| 33. | 3.1% | Columbia Falls High School District / 14,405 |
| 34. | 3.1% | Deep Creek Elementary School District / 149 |
| 35. | 3.0% | Dutton/Brady K-12 Schools / 945 |
| 36. | 3.0% | Powell County High School District / 7,151 |
| 37. | 2.8% | Upper West Shore Elementary School District / 757 |
| 37. | 2.8% | Alberton K-12 Schools / 1,100 |
| 39. | 2.8% | Cardwell Elementary School District / 481 |
| 40. | 2.8% | Joliet Elementary School District / 1,624 |
| 41. | 2.6% | West Yellowstone K-12 School District / 1,493 |
| 41. | 2.6% | Willow Creek Elementary School District / 212 |
| 43. | 2.6% | Wise River Elementary School District / 294 |
| 44. | 2.6% | Cayuse Prairie Elementary School District / 2,511 |
| 45. | 2.5% | Clancy Elementary School District / 2,569 |
| 46. | 2.4% | Eureka Elementary School District / 4,157 |
| 47. | 2.4% | Ekalaka Elementary School District / 958 |
| 48. | 2.4% | Basin Elementary School District / 264 |
| 49. | 2.3% | Absarokee Elementary School District / 1,841 |
| 50. | 2.2% | Reedpoint High School District / 501 |
| 51. | 2.2% | Drummond Elementary School District / 948 |
| 52. | 2.2% | Carter County High School District / 1,237 |
| 53. | 2.2% | Park City High School District / 2,065 |
| 54. | 2.2% | Bainville K-12 Schools / 335 |
| 55. | 2.1% | Amsterdam Elementary School District / 1,390 |
| 55. | 2.1% | Sun River Valley Elementary School District / 2,060 |
| 55. | 2.1% | Polson Elementary School District / 9,518 |
| 58. | 2.1% | Polson High School District / 10,702 |
| 59. | 2.0% | Shelby Elementary School District / 3,521 |
| 59. | 2.0% | Sheridan Elementary School District / 1,783 |
| 61. | 2.0% | Absarokee High School District / 2,256 |
| 62. | 2.0% | Reedpoint Elementary School District / 549 |
| 62. | 2.0% | Park City Elementary School District / 2,206 |
| 64. | 2.0% | Potomac Elementary School District / 1,138 |
| 65. | 1.9% | Bozeman Elementary School District / 51,961 |
| 66. | 1.9% | Cottonwood Elementary School District / 236 |
| 67. | 1.9% | Libby K-12 Schools / 10,055 |
| 68. | 1.9% | Belgrade Elementary School District / 19,573 |
| 69. | 1.9% | McCormick Elementary School District / 344 |
| 70. | 1.9% | Belgrade High School District / 19,773 |
| 71. | 1.9% | Shelby High School District / 3,810 |
| 72. | 1.9% | Lincoln County High School District / 5,421 |
| 73. | 1.8% | Livingston Elementary School District / 10,306 |
| 73. | 1.8% | Sheridan High School District / 2,075 |
| 75. | 1.8% | Wisdom Elementary School District / 283 |
| 76. | 1.8% | Plevna K-12 Schools / 355 |
| 77. | 1.8% | Bozeman High School District / 58,563 |
| 78. | 1.8% | Whitehall High School District / 3,725 |
| 78. | 1.8% | Drummond High School District / 1,207 |
| 80. | 1.8% | Florence-Carlton K-12 Schools / 5,688 |
| 81. | 1.7% | Hamilton K-12 Schools / 11,767 |
| 82. | 1.7% | East Helena Elementary School District / 8,387 |
| 83. | 1.7% | Helena High School District / 58,464 |
| 84. | 1.7% | East Glacier Park Elementary School District / 850 |
| 85. | 1.7% | Hawks Home Elementary School District / 119 |
| 85. | 1.7% | Manhattan High School District / 3,940 |
| 87. | 1.7% | Helena Elementary School District / 48,201 |
| 87. | 1.7% | Whitehall Elementary School District / 3,168 |
| 89. | 1.6% | Luther Elementary School District / 441 |
| 89. | 1.6% | Simms High School District / 3,100 |
| 89. | 1.6% | Saco High School District / 388 |
| 92. | 1.6% | Park High School District / 12,686 |
| 92. | 1.6% | Raynesford Elementary School District / 132 |
| 92. | 1.6% | Auchard Creek Elementary School District / 143 |
| 95. | 1.6% | Miles City Elementary School District / 9,488 |
| 96. | 1.5% | Malmborg Elementary School District / 133 |
| 96. | 1.5% | Whitefish Elementary School District / 14,029 |
| 98. | 1.5% | Stevensville Elementary School District / 6,627 |
| 98. | 1.5% | Circle Elementary School District / 1,213 |
| 100. | 1.5% | Name N/A / 300 |
| 101. | 1.5% | Custer County High School District / 11,129 |
| 101. | 1.5% | Whitefish High School District / 14,617 |
| 101. | 1.5% | Divide Elementary School District / 138 |
| 104. | 1.5% | Conrad Elementary School District / 3,221 |
| 104. | 1.5% | Noxon Elementary School District / 1,313 |
| 106. | 1.5% | Evergreen Elementary School District / 5,740 |
| 106. | 1.5% | Canyon Creek Elementary School District / 1,807 |
| 108. | 1.5% | Saco Elementary School District / 424 |
| 108. | 1.5% | Plains Elementary School District / 2,960 |
| 110. | 1.5% | Darby K-12 Schools / 3,077 |
| 111. | 1.4% | Manhattan Elementary School District / 2,523 |
| 112. | 1.4% | Conrad High School District / 3,333 |
| 113. | 1.4% | Kircher Elementary School District / 728 |
| 114. | 1.4% | Deer Creek Elementary School District / 1,622 |
| 115. | 1.4% | Plains High School District / 3,352 |
| 116. | 1.4% | Judith Gap High School District / 302 |
| 116. | 1.4% | Judith Gap Elementary School District / 302 |
| 118. | 1.4% | Alzada Elementary School District / 160 |
| 119. | 1.3% | Bynum Elementary School District / 161 |
| 119. | 1.3% | Seeley Lake Elementary School District / 1,614 |
| 121. | 1.3% | Kinsey Elementary School District / 416 |
| 121. | 1.3% | Dixon Elementary School District / 634 |
| 123. | 1.3% | Name N/A / 852,731 |
| 123. | 1.3% | Red Lodge High School District / 4,012 |
| 125. | 1.3% | Harrison K-12 Schools / 927 |
| 126. | 1.3% | Fair-Mont-Egan Elementary School District / 1,130 |
| 127. | 1.2% | Jefferson High School District / 7,804 |
| 127. | 1.2% | Fromberg K-12 Schools / 1,105 |
| 129. | 1.2% | Flathead High School District / 52,794 |
| 130. | 1.2% | Golden Ridge Elementary School District / 180 |
| 130. | 1.2% | Marion Elementary School District / 840 |
| 130. | 1.2% | Circle High School District / 1,747 |
| 133. | 1.2% | Forsyth Elementary School District / 2,497 |
| 134. | 1.2% | Cascade Elementary School District / 1,757 |
| 134. | 1.2% | Butte High School District / 32,714 |
| 134. | 1.2% | Missoula Elementary School District / 70,583 |
| 137. | 1.2% | Forsyth High School District / 2,531 |
| 138. | 1.2% | Philipsburg K-12 Schools / 1,673 |
| 138. | 1.2% | Glasgow K-12 Schools / 4,534 |
| 138. | 1.2% | Billings Elementary School District / 104,681 |
| 141. | 1.1% | Westby K-12 Schools / 358 |
| 142. | 1.1% | Kalispell Elementary School District / 28,562 |
| 143. | 1.1% | Name N/A / 842 |
| 143. | 1.1% | Butte Elementary School District / 31,449 |
| 145. | 1.1% | Smith Valley Elementary School District / 1,761 |
| 146. | 1.1% | Anaconda High School District / 8,782 |
| 147. | 1.1% | Great Falls High School District / 72,659 |
| 147. | 1.1% | Great Falls Elementary School District / 72,584 |
| 149. | 1.1% | Elder Grove Elementary School District / 2,053 |
| 149. | 1.1% | Stevensville High School District / 9,879 |
| 149. | 1.1% | Anaconda Elementary School District / 8,737 |
| 149. | 1.1% | Billings High School District / 122,509 |
| 153. | 1.1% | Stanford K-12 Schools / 857 |
| 154. | 1.1% | Hobson K-12 Schools / 875 |
| 154. | 1.1% | Missoula High School District / 97,049 |
| 154. | 1.1% | Superior K-12 Schools / 2,370 |
| 157. | 1.0% | Noxon High School District / 2,229 |
| 157. | 1.0% | Thompson Falls High School District / 3,096 |
| 157. | 1.0% | Cut Bank Elementary School District / 4,451 |
| 157. | 1.0% | White Sulphur Springs Elementary School District / 1,482 |
| 157. | 1.0% | Cut Bank High School District / 4,451 |
| 157. | 1.0% | Thompson Falls Elementary School District / 3,096 |
| 163. | 1.0% | Lima K-12 Schools / 409 |
| 164. | 1.0% | Somers Elementary School District / 4,396 |
| 165. | 1.0% | Roundup Elementary School District / 3,797 |
| 166. | 1.0% | Shepherd High School District / 2,920 |
| 166. | 1.0% | Shepherd Elementary School District / 2,920 |
| 166. | 1.0% | Greenfield Elementary School District / 598 |
| 166. | 1.0% | Belt High School District / 2,020 |
| 170. | 1.0% | Belt Elementary School District / 2,043 |
| 170. | 1.0% | Wolf Point Elementary School District / 3,715 |
| 172. | 1.0% | Roundup High School District / 3,958 |
| 172. | 1.0% | Cascade High School District / 2,659 |
| 172. | 1.0% | Red Lodge Elementary School District / 3,445 |
| 172. | 1.0% | Choteau Elementary School District / 2,612 |
| 176. | 0.9% | Three Forks High School District / 2,592 |
| 177. | 0.9% | Charlo High School District / 1,976 |
| 177. | 0.9% | Chinook Elementary School District / 2,022 |
| 177. | 0.9% | White Sulphur Springs High School District / 1,628 |
| 180. | 0.9% | Three Forks Elementary School District / 2,639 |
| 181. | 0.9% | Hardin High School District / 8,013 |
| 181. | 0.9% | Valier High School District / 1,417 |
| 181. | 0.9% | Fergus High School District / 8,858 |
| 181. | 0.9% | Hellgate Elementary School District / 10,647 |
| 185. | 0.9% | Pine Creek Elementary School District / 367 |
| 186. | 0.9% | Choteau High School District / 3,107 |
| 186. | 0.9% | Paradise Elementary School District / 392 |
| 188. | 0.8% | Lewistown Elementary School District / 8,714 |
| 189. | 0.8% | West Valley Elementary School District / 2,822 |
| 189. | 0.8% | Fort Benton Elementary School District / 1,699 |
| 189. | 0.8% | Wolf Point High School District / 4,281 |
| 192. | 0.8% | Moore Elementary School District / 387 |
| 192. | 0.8% | Moore High School District / 387 |
| 192. | 0.8% | Dodson Elementary School District / 276 |
| 195. | 0.8% | Colstrip Elementary School District / 2,351 |
| 195. | 0.8% | Colstrip High School District / 2,351 |
| 197. | 0.8% | Hardin Elementary School District / 8,993 |
| 198. | 0.8% | Grass Range Elementary School District / 405 |
| 198. | 0.8% | Anderson Elementary School District / 1,129 |
| 200. | 0.8% | Chinook High School District / 2,407 |
| 201. | 0.8% | Ennis K-12 Schools / 2,563 |
| 201. | 0.8% | Target Range Elementary School District / 3,277 |
| 203. | 0.8% | Grass Range High School District / 420 |
| 204. | 0.7% | Helena Flats Elementary School District / 1,534 |
| 204. | 0.7% | Broadview Elementary School District / 871 |
| 206. | 0.7% | Independent Elementary School District / 2,555 |
| 206. | 0.7% | Charlo Elementary School District / 1,342 |
| 208. | 0.7% | Fort Benton High School District / 1,994 |
| 208. | 0.7% | Elysian Elementary School District / 488 |
| 210. | 0.7% | Alder Elementary School District / 292 |
| 211. | 0.7% | Broadview High School District / 937 |
| 211. | 0.7% | Huntley Project K-12 Schools / 3,750 |
| 213. | 0.7% | Townsend K-12 Schools / 4,335 |
| 213. | 0.7% | Dodson High School District / 331 |
| 215. | 0.7% | Creston Elementary School District / 1,060 |
| 215. | 0.7% | Dawson High School District / 8,074 |
| 217. | 0.6% | Monforton Elementary School District / 1,807 |
| 218. | 0.6% | Vaughn Elementary School District / 1,040 |
| 219. | 0.6% | Box Elder Elementary School District / 335 |
| 219. | 0.6% | Box Elder High School District / 335 |
| 219. | 0.6% | Geyser High School District / 334 |
| 222. | 0.6% | Centerville High School District / 1,474 |
| 222. | 0.6% | Big Timber Elementary School District / 2,819 |
| 224. | 0.6% | Havre Elementary School District / 12,764 |
| 225. | 0.6% | Swan River Elementary School District / 1,685 |
| 225. | 0.6% | Vida Elementary School District / 534 |
| 225. | 0.6% | Wibaux K-12 Schools / 922 |
| 225. | 0.6% | Centerville Elementary School District / 1,526 |
| 225. | 0.6% | Rosebud Elementary School District / 375 |
| 230. | 0.6% | Havre High School District / 13,197 |
| 231. | 0.6% | Columbus Elementary School District / 3,352 |
| 231. | 0.6% | Swan Valley Elementary School District / 403 |
| 233. | 0.5% | Rosebud High School District / 398 |
| 233. | 0.5% | Richey Elementary School District / 381 |
| 235. | 0.5% | Lolo Elementary School District / 3,934 |
| 235. | 0.5% | Arrowhead Elementary School District / 1,852 |
| 237. | 0.5% | Wolf Creek Elementary School District / 407 |
| 237. | 0.5% | Columbus High School District / 3,493 |
| 239. | 0.5% | Terry K-12 Schools / 1,004 |
| 240. | 0.5% | Glendive Elementary School District / 6,042 |
| 241. | 0.5% | Big Sandy Elementary School District / 1,121 |
| 241. | 0.5% | Trout Creek Elementary School District / 916 |
| 243. | 0.5% | Corvallis K-12 Schools / 7,291 |
| 243. | 0.5% | Sweet Grass County High School District / 3,567 |
| 243. | 0.5% | Roberts K-12 Schools / 688 |
| 246. | 0.5% | Boulder Elementary School District / 2,428 |
| 246. | 0.5% | Plentywood K-12 Schools / 2,487 |
| 248. | 0.5% | Bigfork High School District / 7,893 |
| 249. | 0.4% | Richey High School District / 473 |
| 249. | 0.4% | Montana City Elementary School District / 2,543 |
| 251. | 0.4% | Deer Park Elementary School District / 765 |
| 252. | 0.4% | Bigfork Elementary School District / 6,078 |
| 253. | 0.4% | Fairfield High School District / 1,888 |
| 254. | 0.4% | Blue Creek Elementary School District / 2,190 |
| 255. | 0.4% | St. Ignatius K-12 Schools / 3,138 |
| 256. | 0.4% | Bridger K-12 Schools / 1,205 |
| 256. | 0.4% | Gallatin Gateway Elementary School District / 1,489 |
| 256. | 0.4% | Trego Elementary School District / 660 |
| 256. | 0.4% | Ashland Elementary School District / 1,156 |
| 260. | 0.3% | Olney-Bissell Elementary School District / 927 |
| 261. | 0.3% | Augusta High School District / 639 |
| 262. | 0.3% | Shields Valley Elementary School District / 1,731 |
| 262. | 0.3% | Sunburst K-12 Schools / 1,300 |
| 262. | 0.3% | Shields Valley High School District / 1,731 |
| 265. | 0.3% | Sidney Elementary School District / 6,244 |
| 266. | 0.3% | Frenchtown K-12 Schools / 5,970 |
| 266. | 0.3% | Sidney High School District / 6,811 |
| 266. | 0.3% | Valley View Elementary School District / 427 |
| 269. | 0.3% | Gardiner Elementary School District / 1,710 |
| 270. | 0.3% | Big Sandy High School District / 2,034 |
| 270. | 0.3% | Gardiner High School District / 1,787 |
| 270. | 0.3% | Lodge Grass Elementary School District / 1,921 |
| 273. | 0.2% | Ronan Elementary School District / 8,304 |
| 273. | 0.2% | Ronan High School District / 8,304 |
| 273. | 0.2% | Bonner Elementary School District / 2,365 |
| 276. | 0.2% | Nashua K-12 Schools / 935 |
| 277. | 0.2% | Lodge Grass High School District / 2,319 |
| 278. | 0.2% | Lone Rock Elementary School District / 3,252 |
| 278. | 0.2% | Lockwood Elementary School District / 7,389 |
| 280. | 0.2% | Scobey K-12 Schools / 1,346 |
| 280. | 0.2% | Browning High School District / 8,960 |
| 282. | 0.2% | Broadus Elementary School District / 1,363 |
| 283. | 0.1% | Baker K-12 Schools / 2,302 |
| 284. | 0.1% | Powder River County High School District / 1,691 |
| 285. | 0.1% | Lame Deer High School District / 5,339 |
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.
