| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 7.2% | Carbonado School District / 812 |
| 2. | 6.1% | Almira School District / 445 |
| 3. | 5.9% | Shaw Island School District / 274 |
| 4. | 5.7% | Goldendale School District / 7,490 |
| 5. | 4.7% | Dixie School District / 420 |
| 6. | 4.6% | Lyle School District / 2,708 |
| 7. | 4.5% | Wilson Creek School District / 490 |
| 8. | 4.2% | Southside School District / 2,211 |
| 9. | 4.2% | Queets-Clearwater School District / 741 |
| 10. | 4.0% | Selkirk School District / 2,105 |
| 11. | 3.7% | Orcas Island School District / 5,017 |
| 12. | 3.6% | Odessa School District / 1,390 |
| 13. | 3.5% | Enumclaw School District / 26,239 |
| 13. | 3.5% | Eatonville School District / 11,515 |
| 15. | 3.5% | Easton School District / 972 |
| 16. | 3.3% | Orient School District / 773 |
| 17. | 3.2% | South Whidbey School District / 15,666 |
| 18. | 3.2% | Coulee-Hartline School District / 1,255 |
| 19. | 3.1% | Palouse School District / 1,390 |
| 20. | 2.9% | Woodland School District / 11,259 |
| 21. | 2.8% | Mossyrock School District / 4,168 |
| 22. | 2.7% | Kalama School District / 6,438 |
| 23. | 2.7% | Entiat School District / 2,694 |
| 24. | 2.7% | Sequim School District / 29,439 |
| 25. | 2.6% | Skykomish School District / 458 |
| 26. | 2.6% | Creston School District / 1,041 |
| 26. | 2.6% | Port Townsend School District / 13,955 |
| 28. | 2.6% | Lopez School District / 2,399 |
| 29. | 2.6% | Pioneer School District / 9,722 |
| 30. | 2.5% | Highland School District / 5,240 |
| 31. | 2.4% | Kelso School District / 27,698 |
| 32. | 2.4% | Grapeview School District / 2,901 |
| 33. | 2.4% | Waterville School District / 1,949 |
| 34. | 2.3% | Northport School District / 1,500 |
| 35. | 2.3% | Tenino School District / 9,689 |
| 36. | 2.3% | Wilbur School District / 1,190 |
| 37. | 2.3% | Burlington-Edison School District / 20,403 |
| 38. | 2.3% | Kiona-Benton School District / 8,079 |
| 38. | 2.3% | Chehalis School District / 15,013 |
| 40. | 2.2% | Ferndale School District / 30,082 |
| 41. | 2.2% | Cle Elum-Roslyn School District / 6,815 |
| 42. | 2.2% | Onalaska School District / 4,820 |
| 43. | 2.2% | White Salmon Valley School District / 6,901 |
| 44. | 2.1% | Steptoe School District / 353 |
| 44. | 2.1% | Klickitat School District / 744 |
| 46. | 2.1% | North Franklin School District / 9,034 |
| 47. | 2.1% | Clarkston School District / 18,810 |
| 48. | 2.0% | Richland School District / 62,785 |
| 49. | 2.0% | Riverview School District / 19,166 |
| 50. | 1.9% | Raymond School District / 3,937 |
| 51. | 1.9% | Darrington School District / 3,028 |
| 52. | 1.9% | Monroe School District / 38,539 |
| 53. | 1.9% | Thorp School District / 1,544 |
| 53. | 1.9% | Orchard Prairie School District / 713 |
| 55. | 1.9% | Ellensburg School District / 26,752 |
| 56. | 1.8% | St. John School District / 1,130 |
| 57. | 1.8% | Snohomish School District / 52,346 |
| 57. | 1.8% | Republic School District / 3,818 |
| 59. | 1.8% | Ocean Beach School District / 9,752 |
| 60. | 1.7% | Eastmont School District / 29,715 |
| 60. | 1.7% | Oakesdale School District / 910 |
| 62. | 1.7% | San Juan Island School District / 8,050 |
| 63. | 1.7% | Quilcene School District / 1,772 |
| 64. | 1.7% | Washougal School District / 19,774 |
| 65. | 1.6% | Orting School District / 13,705 |
| 65. | 1.6% | Mead School District / 51,164 |
| 67. | 1.6% | Port Angeles School District / 30,177 |
| 67. | 1.6% | La Conner School District / 4,663 |
| 67. | 1.6% | White Pass School District / 4,160 |
| 70. | 1.6% | Sumner School District / 43,601 |
| 71. | 1.6% | North Kitsap School District / 46,260 |
| 71. | 1.6% | Trout Lake School District / 819 |
| 73. | 1.6% | Peninsula School District / 60,673 |
| 74. | 1.6% | Sprague School District / 671 |
| 75. | 1.6% | Tahoma School District / 37,682 |
| 76. | 1.5% | Stevenson-Carson School District / 5,891 |
| 77. | 1.5% | Onion Creek School District / 354 |
| 77. | 1.5% | Rainier School District / 4,437 |
| 79. | 1.5% | Central Valley School District / 76,352 |
| 79. | 1.5% | Lake Quinault School District / 923 |
| 81. | 1.5% | White River School District / 20,934 |
| 82. | 1.5% | Snoqualmie Valley School District / 34,844 |
| 83. | 1.5% | Olympia School District / 62,294 |
| 83. | 1.5% | Harrington School District / 546 |
| 85. | 1.5% | Northshore School District / 123,771 |
| 86. | 1.5% | Dieringer School District / 8,622 |
| 87. | 1.4% | Camas School District / 29,035 |
| 87. | 1.4% | Mill A School District / 632 |
| 89. | 1.4% | Bainbridge Island School District / 22,933 |
| 89. | 1.4% | Chewelah School District / 5,802 |
| 91. | 1.4% | Riverside School District / 11,578 |
| 92. | 1.4% | Coupeville School District / 9,715 |
| 93. | 1.4% | Ritzville School District / 2,766 |
| 93. | 1.4% | Seattle School District / 613,622 |
| 95. | 1.4% | Mercer Island School District / 22,922 |
| 96. | 1.4% | Edmonds School District / 156,223 |
| 97. | 1.3% | Mount Baker School District / 14,586 |
| 97. | 1.3% | Central Kitsap School District / 67,891 |
| 99. | 1.3% | Skamania School District / 913 |
| 99. | 1.3% | Issaquah School District / 104,350 |
| 101. | 1.3% | Kennewick School District / 86,026 |
| 101. | 1.3% | Pomeroy School District / 2,174 |
| 103. | 1.3% | Wishkah Valley School District / 942 |
| 103. | 1.3% | Mount Vernon School District / 37,552 |
| 103. | 1.3% | Wahkiakum School District / 2,758 |
| 103. | 1.3% | Cashmere School District / 7,989 |
| 107. | 1.3% | Vancouver Public Schools / 143,172 |
| 107. | 1.3% | Castle Rock School District / 9,955 |
| 109. | 1.3% | West Valley School District / 19,410 |
| 109. | 1.3% | Grandview School District / 15,786 |
| 109. | 1.3% | Rochester School District / 14,228 |
| 109. | 1.3% | Sultan School District / 13,293 |
| 109. | 1.3% | Battle Ground School District / 63,300 |
| 114. | 1.2% | South Kitsap School District / 68,230 |
| 114. | 1.2% | Lake Washington School District / 182,099 |
| 114. | 1.2% | Boistfort School District / 964 |
| 117. | 1.2% | Shoreline School District / 65,974 |
| 117. | 1.2% | Anacortes School District / 20,273 |
| 119. | 1.2% | Shelton School District / 23,795 |
| 119. | 1.2% | Deer Park School District / 10,394 |
| 119. | 1.2% | Newport School District / 8,007 |
| 119. | 1.2% | College Place School District / 13,050 |
| 123. | 1.2% | Arlington School District / 30,237 |
| 123. | 1.2% | Everett School District / 128,974 |
| 125. | 1.2% | Morton School District / 2,381 |
| 125. | 1.2% | North Thurston Public Schools / 94,489 |
| 125. | 1.2% | Pullman School District / 31,997 |
| 125. | 1.2% | Brinnon School District / 1,264 |
| 129. | 1.2% | Lynden School District / 17,746 |
| 130. | 1.1% | Griffin School District / 5,879 |
| 130. | 1.1% | Glenwood School District / 533 |
| 132. | 1.1% | Prosser School District / 12,971 |
| 133. | 1.1% | Vashon Island School District / 10,854 |
| 133. | 1.1% | Chimacum School District / 11,434 |
| 133. | 1.1% | Oak Harbor School District / 37,740 |
| 133. | 1.1% | Royal School District / 6,130 |
| 137. | 1.1% | Puyallup School District / 121,401 |
| 137. | 1.1% | Keller School District / 389 |
| 139. | 1.1% | Auburn School District / 84,460 |
| 140. | 1.1% | Renton School District / 116,522 |
| 140. | 1.1% | Marysville School District / 70,248 |
| 142. | 1.1% | Franklin Pierce School District / 50,105 |
| 143. | 1.1% | Spokane Public Schools / 220,197 |
| 143. | 1.1% | Fife Public Schools / 20,369 |
| 143. | 1.1% | McCleary School District / 2,994 |
| 146. | 1.0% | Moses Lake School District / 40,863 |
| 147. | 1.0% | Sedro-Woolley School District / 26,040 |
| 148. | 1.0% | Tacoma Public Schools / 209,499 |
| 148. | 1.0% | Lake Stevens School District / 39,454 |
| 148. | 1.0% | Inchelium School District / 1,067 |
| 151. | 1.0% | South Bend School District / 2,373 |
| 151. | 1.0% | Selah School District / 17,722 |
| 153. | 1.0% | Hockinson School District / 8,945 |
| 153. | 1.0% | Montesano School District / 8,349 |
| 153. | 1.0% | Stanwood-Camano School District / 32,782 |
| 153. | 1.0% | University Place School District / 29,676 |
| 157. | 1.0% | Tumwater School District / 36,815 |
| 157. | 1.0% | Ridgefield School District / 13,779 |
| 159. | 1.0% | Mukilteo School District / 92,909 |
| 159. | 1.0% | Bellingham School District / 102,129 |
| 161. | 0.9% | Star School District / 212 |
| 161. | 0.9% | Freeman School District / 3,788 |
| 163. | 0.9% | Medical Lake School District / 11,439 |
| 164. | 0.9% | Bickleton School District / 575 |
| 164. | 0.9% | Tekoa School District / 908 |
| 164. | 0.9% | Kent School District / 151,786 |
| 167. | 0.9% | Oroville School District / 4,076 |
| 167. | 0.9% | Blaine School District / 16,551 |
| 167. | 0.9% | Evergreen School District (Clark) / 140,938 |
| 167. | 0.9% | Bremerton School District / 45,796 |
| 167. | 0.9% | Granite Falls School District / 12,787 |
| 167. | 0.9% | Cape Flattery School District / 3,173 |
| 173. | 0.9% | West Valley School District / 29,055 |
| 174. | 0.9% | Davenport School District / 3,279 |
| 174. | 0.9% | Cusick School District / 2,172 |
| 176. | 0.9% | Hoquiam School District / 11,341 |
| 176. | 0.9% | Kettle Falls School District / 5,601 |
| 178. | 0.9% | Lind School District / 1,018 |
| 178. | 0.9% | Nine Mile Falls School District / 8,100 |
| 178. | 0.9% | Ephrata School District / 10,759 |
| 178. | 0.9% | Steilacoom Historical School District / 20,739 |
| 182. | 0.9% | Aberdeen School District / 20,478 |
| 183. | 0.8% | Bellevue School District / 123,980 |
| 183. | 0.8% | Okanogan School District / 5,347 |
| 185. | 0.8% | North Mason School District / 14,497 |
| 185. | 0.8% | Colville School District / 12,141 |
| 187. | 0.8% | Highline School District / 120,110 |
| 188. | 0.8% | Bethel School District / 101,552 |
| 189. | 0.8% | Federal Way School District / 131,459 |
| 189. | 0.8% | Methow Valley School District / 4,751 |
| 191. | 0.8% | Yelm Community Schools / 28,149 |
| 191. | 0.8% | Colton School District / 1,183 |
| 193. | 0.8% | Conway School District / 3,237 |
| 194. | 0.8% | Hood Canal School District / 5,424 |
| 194. | 0.8% | Wenatchee School District / 41,908 |
| 196. | 0.7% | East Valley School District (Spokane) / 26,142 |
| 196. | 0.7% | Concrete School District / 4,848 |
| 198. | 0.7% | Longview Public Schools / 45,733 |
| 199. | 0.7% | Great Northern School District / 978 |
| 200. | 0.7% | Dayton School District / 3,837 |
| 201. | 0.7% | Loon Lake School District / 1,632 |
| 202. | 0.7% | North Beach School District / 7,162 |
| 202. | 0.7% | Quillayute Valley School District / 6,545 |
| 202. | 0.7% | Clover Park School District / 80,097 |
| 202. | 0.7% | Mary Walker School District / 3,251 |
| 206. | 0.7% | Centralia School District / 22,416 |
| 207. | 0.6% | Cosmopolis School District / 1,918 |
| 207. | 0.6% | Crescent School District / 2,713 |
| 209. | 0.6% | Liberty School District / 4,540 |
| 209. | 0.6% | Cheney School District / 32,224 |
| 209. | 0.6% | Evergreen School District (Stevens) / 369 |
| 212. | 0.6% | La Center School District / 8,370 |
| 213. | 0.6% | Lake Chelan School District / 7,474 |
| 213. | 0.6% | Walla Walla School District / 37,242 |
| 215. | 0.6% | Pasco School District / 68,812 |
| 216. | 0.6% | Kittitas School District / 4,054 |
| 217. | 0.6% | LaCrosse School District / 639 |
| 217. | 0.6% | Ocosta School District / 7,399 |
| 217. | 0.6% | Tonasket School District / 7,582 |
| 220. | 0.5% | Reardan-Edwall School District / 4,881 |
| 221. | 0.5% | Quincy School District / 12,355 |
| 221. | 0.5% | Toutle Lake School District / 3,346 |
| 223. | 0.5% | Prescott School District / 1,841 |
| 223. | 0.5% | Lakewood School District / 13,082 |
| 225. | 0.5% | Asotin-Anatone School District / 2,920 |
| 225. | 0.5% | Union Gap School District / 3,322 |
| 227. | 0.5% | Tukwila School District / 17,944 |
| 227. | 0.5% | Warden School District / 4,161 |
| 227. | 0.5% | Winlock School District / 5,083 |
| 230. | 0.5% | Pateros School District / 1,412 |
| 231. | 0.5% | Orondo School District / 1,405 |
| 232. | 0.5% | Elma School District / 8,226 |
| 233. | 0.4% | Naselle-Grays River Valley School District / 2,754 |
| 234. | 0.4% | Zillah School District / 4,780 |
| 235. | 0.4% | Bridgeport School District / 3,446 |
| 235. | 0.4% | Omak School District / 10,711 |
| 237. | 0.4% | Toledo School District / 4,635 |
| 238. | 0.4% | Meridian School District / 9,760 |
| 238. | 0.4% | Yakima School District / 77,416 |
| 240. | 0.4% | Manson School District / 3,592 |
| 241. | 0.4% | Summit Valley School District / 832 |
| 242. | 0.4% | Mount Adams School District / 4,046 |
| 243. | 0.4% | Curlew School District / 1,389 |
| 243. | 0.4% | Adna School District / 3,905 |
| 245. | 0.4% | Granger School District / 5,227 |
| 245. | 0.4% | Centerville School District / 763 |
| 247. | 0.3% | Soap Lake School District / 3,041 |
| 247. | 0.3% | Garfield School District / 666 |
| 249. | 0.3% | Napavine School District / 4,359 |
| 249. | 0.3% | Valley School District / 1,419 |
| 251. | 0.3% | Pe Ell School District / 1,490 |
| 251. | 0.3% | Columbia School District / 1,050 |
| 253. | 0.3% | Naches Valley School District / 8,317 |
| 253. | 0.3% | Willapa Valley School District / 2,432 |
| 255. | 0.3% | Columbia School District / 3,646 |
| 256. | 0.3% | Nooksack Valley School District / 10,432 |
| 256. | 0.3% | Wapato School District / 14,114 |
| 258. | 0.2% | Grand Coulee Dam School District / 5,172 |
| 259. | 0.2% | Colfax School District / 4,006 |
| 260. | 0.2% | Sunnyside School District / 24,062 |
| 261. | 0.2% | Cascade School District / 8,952 |
| 262. | 0.2% | East Valley School District (Yakima) / 14,991 |
| 263. | 0.2% | Evaline School District / 746 |
| 264. | 0.1% | Oakville School District / 2,414 |
| 265. | 0.1% | Toppenish School District / 15,684 |
| 266. | 0.1% | Green Mountain School District / 948 |
| 267. | 0.1% | Mabton School District / 3,444 |
| 268. | 0.1% | Othello School District / 14,317 |
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.
