| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 3.8% | Cambria-Friesland School District / 2,302 |
| 2. | 3.2% | Marshall School District / 5,593 |
| 3. | 2.4% | Wild Rose School District / 4,981 |
| 4. | 2.2% | Phelps School District / 1,391 |
| 5. | 2.1% | Gibraltar Area School District / 5,529 |
| 6. | 2.1% | Weston School District / 2,161 |
| 7. | 2.0% | Belleville School District / 5,141 |
| 8. | 2.0% | Barneveld School District / 2,201 |
| 9. | 1.8% | Twin Lakes No. 4 School District / 3,382 |
| 10. | 1.8% | Merton Community School District / 5,964 |
| 11. | 1.7% | Horicon School District / 5,526 |
| 12. | 1.7% | Markesan School District / 6,145 |
| 13. | 1.7% | Mount Horeb Area School District / 11,326 |
| 13. | 1.7% | Pecatonica Area School District / 2,568 |
| 15. | 1.6% | Albany School District / 2,837 |
| 16. | 1.6% | Iowa-Grant School District / 3,850 |
| 16. | 1.6% | Kohler School District / 2,171 |
| 18. | 1.6% | Kettle Moraine School District / 24,340 |
| 18. | 1.6% | Union Grove Joint No. 1 School District / 5,565 |
| 20. | 1.6% | Dodgeville School District / 8,053 |
| 21. | 1.5% | Paris Joint No. 1 School District / 1,940 |
| 22. | 1.5% | Winneconne Community School District / 9,018 |
| 23. | 1.4% | Dover No. 1 School District / 1,834 |
| 24. | 1.4% | Princeton School District / 3,320 |
| 25. | 1.4% | Kickapoo Area School District / 2,682 |
| 26. | 1.3% | Randolph School District / 3,087 |
| 27. | 1.3% | Monona Grove School District / 16,782 |
| 28. | 1.3% | Palmyra-Eagle Area School District / 7,191 |
| 29. | 1.2% | Evansville Community School District / 9,421 |
| 30. | 1.2% | West Salem School District / 9,801 |
| 30. | 1.2% | Portage Community School District / 16,775 |
| 32. | 1.2% | Madison Metropolitan School District / 222,718 |
| 33. | 1.2% | Maple Dale-Indian Hill School District / 2,008 |
| 34. | 1.2% | Oshkosh Area School District / 77,270 |
| 34. | 1.2% | Swallow School District / 2,952 |
| 36. | 1.1% | Montello School District / 5,900 |
| 36. | 1.1% | Richland School District / 10,993 |
| 38. | 1.1% | Wautoma Area School District / 11,367 |
| 39. | 1.1% | River Valley School District / 9,384 |
| 40. | 1.1% | Yorkville Joint No. 2 School District / 2,959 |
| 40. | 1.1% | Green Lake School District / 2,908 |
| 42. | 1.1% | Fall River School District / 2,716 |
| 42. | 1.1% | Birchwood School District / 2,024 |
| 42. | 1.1% | Whitewater School District / 19,776 |
| 42. | 1.1% | Belmont Community School District / 2,063 |
| 46. | 1.1% | Prairie du Chien Area School District / 8,390 |
| 46. | 1.1% | Elkhorn Area School District / 16,771 |
| 48. | 1.1% | Pardeeville Area School District / 6,506 |
| 48. | 1.1% | Union Grove Union High School District / 13,539 |
| 50. | 1.0% | Oregon School District / 20,076 |
| 50. | 1.0% | Oconomowoc Area School District / 30,951 |
| 52. | 1.0% | Lake Country School District / 4,857 |
| 52. | 1.0% | Glendale-River Hills School District / 12,742 |
| 54. | 1.0% | Brodhead School District / 6,186 |
| 55. | 1.0% | Sun Prairie Area School District / 38,814 |
| 56. | 1.0% | Brighton No. 1 School District / 1,311 |
| 57. | 1.0% | Erin School District / 2,790 |
| 57. | 1.0% | La Crosse School District / 62,285 |
| 57. | 1.0% | Northland Pines School District / 11,597 |
| 60. | 1.0% | Friess Lake School District / 2,590 |
| 60. | 1.0% | Elmbrook School District / 45,922 |
| 62. | 0.9% | Nicolet Union High School District / 25,951 |
| 63. | 0.9% | Shorewood School District / 13,267 |
| 63. | 0.9% | Benton School District / 1,567 |
| 65. | 0.9% | Baraboo School District / 19,076 |
| 65. | 0.9% | Westby Area School District / 7,212 |
| 65. | 0.9% | Columbus School District / 7,741 |
| 65. | 0.9% | Arrowhead Union High School District / 32,481 |
| 69. | 0.9% | Prescott School District / 7,675 |
| 69. | 0.9% | Geneva Joint No. 4 School District / 1,167 |
| 71. | 0.9% | Berlin Area School District / 10,100 |
| 71. | 0.9% | Janesville School District / 63,080 |
| 73. | 0.9% | Cumberland School District / 6,162 |
| 73. | 0.9% | Waunakee Community School District / 16,833 |
| 75. | 0.9% | Flambeau School District / 3,630 |
| 75. | 0.9% | Beloit Turner School District / 8,280 |
| 77. | 0.9% | Westfield School District / 9,151 |
| 77. | 0.9% | Monticello School District / 2,387 |
| 77. | 0.9% | Fort Atkinson School District / 17,804 |
| 77. | 0.9% | North Lake School District / 2,685 |
| 81. | 0.9% | Omro School District / 7,512 |
| 81. | 0.9% | New Berlin School District / 34,820 |
| 81. | 0.9% | Burlington Area School District / 23,077 |
| 81. | 0.9% | Amery School District / 9,598 |
| 81. | 0.9% | River Falls School District / 22,217 |
| 86. | 0.8% | Bayfield School District / 2,387 |
| 87. | 0.8% | Edgar School District / 3,577 |
| 87. | 0.8% | Clinton Community School District / 5,978 |
| 87. | 0.8% | Stockbridge School District / 2,043 |
| 90. | 0.8% | Cambridge School District / 5,814 |
| 90. | 0.8% | Wilmot Union High School District / 18,832 |
| 90. | 0.8% | Neenah School District / 41,573 |
| 90. | 0.8% | Waukesha School District / 89,815 |
| 94. | 0.8% | Verona Area School District / 35,811 |
| 95. | 0.8% | Middleton-Cross Plains School District / 35,906 |
| 95. | 0.8% | Whitefish Bay School District / 13,683 |
| 95. | 0.8% | Muskego-Norway School District / 27,887 |
| 98. | 0.8% | Nekoosa School District / 8,855 |
| 98. | 0.8% | Fox Point Joint No. 2 School District / 11,201 |
| 98. | 0.8% | Rio Community School District / 2,903 |
| 98. | 0.8% | Adams-Friendship Area School District / 13,952 |
| 102. | 0.8% | Drummond Area School District / 4,370 |
| 102. | 0.8% | Sevastopol School District / 4,846 |
| 104. | 0.8% | Waupaca School District / 15,916 |
| 104. | 0.8% | Seneca School District / 1,908 |
| 104. | 0.8% | Sparta Area School District / 16,504 |
| 107. | 0.8% | Beaver Dam School District / 21,540 |
| 107. | 0.8% | Riverdale School District / 4,868 |
| 109. | 0.7% | Onalaska School District / 16,591 |
| 109. | 0.7% | East Troy Community School District / 11,354 |
| 111. | 0.7% | Chetek School District / 7,003 |
| 111. | 0.7% | Bowler School District / 2,331 |
| 113. | 0.7% | Waupun School District / 19,274 |
| 113. | 0.7% | DeForest Area School District / 19,960 |
| 113. | 0.7% | Deerfield Community School District / 4,109 |
| 116. | 0.7% | Pewaukee School District / 16,744 |
| 116. | 0.7% | Jefferson School District / 13,042 |
| 116. | 0.7% | Wisconsin Heights School District / 5,851 |
| 116. | 0.7% | Silver Lake Joint No. 1 School District / 4,486 |
| 116. | 0.7% | Holmen School District / 17,600 |
| 121. | 0.7% | Randall Joint No. 1 School District / 5,179 |
| 121. | 0.7% | North Lakeland School District / 2,727 |
| 123. | 0.7% | New Richmond School District / 16,258 |
| 124. | 0.7% | Southwestern Wisconsin School District / 4,124 |
| 124. | 0.7% | Mercer School District / 1,818 |
| 124. | 0.7% | West Allis School District / 67,023 |
| 124. | 0.7% | Chippewa Falls Area School District / 31,501 |
| 128. | 0.7% | Franklin Public School District / 29,764 |
| 128. | 0.7% | Hamilton School District / 24,846 |
| 128. | 0.7% | Prairie Farm School District / 1,616 |
| 128. | 0.7% | Port Edwards School District / 3,843 |
| 132. | 0.7% | Darlington Community School District / 4,514 |
| 133. | 0.7% | Prentice School District / 2,913 |
| 133. | 0.7% | Superior School District / 33,306 |
| 133. | 0.7% | Reedsburg School District / 15,805 |
| 136. | 0.6% | Mukwonago School District / 27,667 |
| 136. | 0.6% | Sauk Prairie School District / 14,428 |
| 136. | 0.6% | Rhinelander School District / 19,952 |
| 136. | 0.6% | Maple School District / 7,700 |
| 140. | 0.6% | Manawa School District / 4,971 |
| 140. | 0.6% | Wauwatosa School District / 45,287 |
| 140. | 0.6% | Poynette School District / 6,436 |
| 143. | 0.6% | Trevor-Wilmot Consolidated School District / 4,067 |
| 143. | 0.6% | Lake Holcombe School District / 2,511 |
| 143. | 0.6% | Kenosha School District / 125,189 |
| 143. | 0.6% | Cuba City School District / 4,650 |
| 143. | 0.6% | Northwood School District / 3,432 |
| 143. | 0.6% | Richmond School District / 2,426 |
| 149. | 0.6% | Ripon Area School District / 10,200 |
| 149. | 0.6% | Mequon-Thiensville School District / 26,600 |
| 149. | 0.6% | Valders Area School District / 6,841 |
| 152. | 0.6% | Augusta School District / 4,190 |
| 152. | 0.6% | Grafton School District / 12,980 |
| 152. | 0.6% | Elk Mound Area School District / 4,162 |
| 152. | 0.6% | Tri-County Area School District / 4,179 |
| 152. | 0.6% | Sturgeon Bay School District / 8,632 |
| 157. | 0.6% | Name N/A / 211,431 |
| 157. | 0.6% | Wisconsin Dells School District / 11,803 |
| 157. | 0.6% | New Holstein School District / 8,782 |
| 157. | 0.6% | Sheboygan Area School District / 60,056 |
| 157. | 0.6% | Chilton School District / 6,704 |
| 157. | 0.6% | Bangor School District / 3,941 |
| 157. | 0.6% | Neillsville School District / 6,650 |
| 164. | 0.6% | Name N/A / 5,655 |
| 164. | 0.6% | Minocqua Joint No. 1 School District / 7,276 |
| 166. | 0.5% | Monroe School District / 15,457 |
| 166. | 0.5% | St. Croix Falls School District / 6,620 |
| 166. | 0.5% | Lodi School District / 9,127 |
| 169. | 0.5% | Elcho School District / 3,491 |
| 169. | 0.5% | Hartland-Lakeside Joint No. 3 School District / 10,958 |
| 169. | 0.5% | Clintonville School District / 10,215 |
| 169. | 0.5% | Rice Lake Area School District / 16,259 |
| 169. | 0.5% | Wisconsin Rapids School District / 34,403 |
| 174. | 0.5% | Phillips School District / 6,242 |
| 174. | 0.5% | Hudson School District / 28,419 |
| 174. | 0.5% | Mineral Point School District / 4,648 |
| 174. | 0.5% | Webster School District / 5,843 |
| 174. | 0.5% | Shullsburg School District / 2,156 |
| 179. | 0.5% | Wausau School District / 53,797 |
| 179. | 0.5% | Beecher-Dunbar-Pembine School District / 3,180 |
| 179. | 0.5% | Fennimore Community School District / 4,827 |
| 179. | 0.5% | Unity School District / 7,056 |
| 179. | 0.5% | Fond du Lac School District / 50,942 |
| 179. | 0.5% | Argyle School District / 1,877 |
| 185. | 0.5% | Colfax School District / 4,681 |
| 185. | 0.5% | Pulaski Community School District / 19,517 |
| 185. | 0.5% | South Shore School District / 1,687 |
| 185. | 0.5% | Iola-Scandinavia School District / 4,757 |
| 185. | 0.5% | Norwalk-Ontario-Wilton School District / 3,041 |
| 190. | 0.5% | Ellsworth Community School District / 11,125 |
| 190. | 0.5% | Racine School District / 142,809 |
| 190. | 0.5% | McFarland School District / 10,141 |
| 190. | 0.5% | Eau Claire Area School District / 80,629 |
| 194. | 0.5% | Appleton Area School District / 90,728 |
| 194. | 0.5% | Two Rivers School District / 12,901 |
| 196. | 0.5% | Greenfield School District / 27,694 |
| 196. | 0.5% | Stoughton Area School District / 21,171 |
| 196. | 0.5% | West De Pere School District / 18,222 |
| 196. | 0.5% | Mishicot School District / 6,106 |
| 196. | 0.5% | Highland School District / 1,789 |
| 196. | 0.5% | West Bend School District / 49,832 |
| 196. | 0.5% | Bristol No. 1 School District / 4,606 |
| 203. | 0.5% | Port Washington-Saukville School District / 17,400 |
| 204. | 0.5% | New Lisbon School District / 4,069 |
| 204. | 0.5% | Suring School District / 3,887 |
| 204. | 0.5% | Altoona School District / 8,478 |
| 207. | 0.4% | Milton School District / 18,293 |
| 207. | 0.4% | Shell Lake School District / 3,970 |
| 207. | 0.4% | Melrose-Mindoro School District / 4,034 |
| 207. | 0.4% | Watertown School District / 29,914 |
| 211. | 0.4% | Tomah Area School District / 19,171 |
| 211. | 0.4% | Washburn School District / 4,322 |
| 211. | 0.4% | Northern Ozaukee School District / 5,646 |
| 211. | 0.4% | Wabeno Area School District / 3,971 |
| 211. | 0.4% | Necedah Area School District / 4,742 |
| 211. | 0.4% | Hortonville School District / 17,935 |
| 211. | 0.4% | Wonewoc-Union Center School District / 3,314 |
| 211. | 0.4% | South Milwaukee School District / 21,171 |
| 211. | 0.4% | Cassville School District / 2,147 |
| 220. | 0.4% | Cedar Grove-Belgium Area School District / 5,587 |
| 220. | 0.4% | Edgerton School District / 11,199 |
| 220. | 0.4% | Menasha School District / 24,013 |
| 220. | 0.4% | Wausaukee School District / 4,490 |
| 220. | 0.4% | New London School District / 15,455 |
| 220. | 0.4% | Waterford Joint No. 1 School District / 13,328 |
| 226. | 0.4% | Shawano School District / 17,132 |
| 226. | 0.4% | Three Lakes School District / 4,710 |
| 226. | 0.4% | Mauston School District / 10,598 |
| 226. | 0.4% | Westosha Central High School District / 18,593 |
| 226. | 0.4% | Spring Valley School District / 3,893 |
| 231. | 0.4% | Black River Falls School District / 11,655 |
| 231. | 0.4% | Whitnall School District / 17,854 |
| 231. | 0.4% | Southern Door County School District / 8,156 |
| 231. | 0.4% | Lakeland Union High School District / 18,271 |
| 231. | 0.4% | Mosinee School District / 11,944 |
| 231. | 0.4% | River Ridge School District / 3,446 |
| 237. | 0.4% | Beloit School District / 36,593 |
| 237. | 0.4% | Kiel Area School District / 8,152 |
| 237. | 0.4% | Menomonee Falls School District / 27,330 |
| 237. | 0.4% | Boscobel Area School District / 5,579 |
| 237. | 0.4% | North Cape School District / 846 |
| 237. | 0.4% | Black Hawk School District / 2,554 |
| 237. | 0.4% | Galesville-Ettrick-Trempealeau School District / 8,143 |
| 244. | 0.4% | Antigo School District / 17,688 |
| 245. | 0.4% | Mellen School District / 2,055 |
| 245. | 0.4% | Cashton School District / 3,928 |
| 245. | 0.4% | Oak Creek-Franklin School District / 37,649 |
| 245. | 0.4% | Campbellsport School District / 10,825 |
| 245. | 0.4% | Elkhart Lake-Glenbeulah School District / 3,754 |
| 245. | 0.4% | Tomahawk School District / 10,708 |
| 245. | 0.4% | Owen-Withee School District / 4,357 |
| 245. | 0.4% | Kimberly Area School District / 24,296 |
| 245. | 0.4% | Weyauwega-Fremont School District / 6,996 |
| 254. | 0.4% | Tomorrow River School District / 5,165 |
| 254. | 0.4% | Rosendale-Brandon School District / 5,640 |
| 254. | 0.4% | Spooner Area School District / 10,403 |
| 254. | 0.4% | Stanley-Boyd Area School District / 7,109 |
| 254. | 0.4% | Ashland School District / 12,301 |
| 254. | 0.4% | Dodgeland School District / 6,090 |
| 260. | 0.4% | Waterford Union High School District / 17,890 |
| 260. | 0.4% | Shiocton School District / 4,203 |
| 260. | 0.4% | Sharon Joint No. 11 School District / 1,845 |
| 260. | 0.4% | Stratford School District / 4,843 |
| 260. | 0.4% | Royall School District / 5,105 |
| 260. | 0.4% | Platteville School District / 13,315 |
| 260. | 0.4% | Stevens Point Area School District / 54,916 |
| 267. | 0.3% | Fall Creek School District / 4,048 |
| 267. | 0.3% | Random Lake School District / 6,368 |
| 267. | 0.3% | Lake Geneva-Genoa City Union High School District / 24,606 |
| 267. | 0.3% | Delavan-Darien School District / 16,410 |
| 267. | 0.3% | Genoa City Joint No. 2 School District / 4,729 |
| 272. | 0.3% | Athens School District / 3,994 |
| 272. | 0.3% | Marshfield School District / 27,670 |
| 272. | 0.3% | Grantsburg School District / 5,121 |
| 272. | 0.3% | Marion School District / 3,724 |
| 272. | 0.3% | Barron Area School District / 8,763 |
| 272. | 0.3% | Lake Mills Area School District / 8,595 |
| 272. | 0.3% | Pittsville School District / 3,901 |
| 272. | 0.3% | Clear Lake School District / 3,364 |
| 272. | 0.3% | Osseo-Fairchild School District / 5,457 |
| 272. | 0.3% | Crivitz School District / 6,083 |
| 272. | 0.3% | Cornell School District / 2,814 |
| 283. | 0.3% | Lake Geneva Joint No. 1 School District / 17,731 |
| 284. | 0.3% | Blair-Taylor School District / 4,107 |
| 284. | 0.3% | Hartford Union High School District / 31,642 |
| 284. | 0.3% | Cudahy School District / 18,742 |
| 284. | 0.3% | Bonduel School District / 6,670 |
| 284. | 0.3% | Linn Joint No. 6 School District / 1,039 |
| 289. | 0.3% | Germantown School District / 24,870 |
| 289. | 0.3% | Green Bay Area School District / 134,628 |
| 289. | 0.3% | Lancaster Community School District / 6,080 |
| 289. | 0.3% | De Pere Unified School District / 20,008 |
| 293. | 0.3% | Wauzeka-Steuben School District / 1,668 |
| 293. | 0.3% | Luxemburg-Casco School District / 11,075 |
| 293. | 0.3% | Glenwood City School District / 3,848 |
| 293. | 0.3% | Oconto Falls School District / 10,745 |
| 297. | 0.3% | Kaukauna Area School District / 22,200 |
| 297. | 0.3% | Williams Bay School District / 3,058 |
| 297. | 0.3% | Denmark School District / 8,159 |
| 297. | 0.3% | Cochrane-Fountain City School District / 4,477 |
| 297. | 0.3% | Washington School District / 738 |
| 297. | 0.3% | Manitowoc School District / 39,531 |
| 297. | 0.3% | Luck School District / 3,802 |
| 297. | 0.3% | Hurley School District / 4,156 |
| 297. | 0.3% | Solon Springs School District / 2,430 |
| 297. | 0.3% | Medford Area School District / 13,417 |
| 297. | 0.3% | Stone Bank School District / 2,639 |
| 308. | 0.3% | Florence School District / 4,721 |
| 308. | 0.3% | Fontana Joint No. 8 School District / 2,758 |
| 308. | 0.3% | New Glarus School District / 4,323 |
| 311. | 0.3% | Waterloo School District / 5,411 |
| 311. | 0.3% | Winter School District / 2,996 |
| 311. | 0.3% | Merrill Area School District / 20,897 |
| 311. | 0.3% | Alma School District / 1,679 |
| 315. | 0.3% | Frederic School District / 3,954 |
| 315. | 0.3% | North Crawford School District / 3,070 |
| 317. | 0.2% | La Farge School District / 1,908 |
| 317. | 0.2% | Whitehall School District / 5,034 |
| 317. | 0.2% | Mondovi School District / 5,599 |
| 317. | 0.2% | Milwaukee School District / 603,255 |
| 321. | 0.2% | Juda School District / 1,436 |
| 321. | 0.2% | Cadott Community School District / 4,849 |
| 321. | 0.2% | Hayward Community School District / 13,592 |
| 321. | 0.2% | North Fond du Lac School District / 7,782 |
| 321. | 0.2% | Auburndale School District / 4,650 |
| 321. | 0.2% | Seymour Community School District / 12,925 |
| 321. | 0.2% | Johnson Creek School District / 4,181 |
| 328. | 0.2% | Oostburg School District / 5,817 |
| 328. | 0.2% | Hustisford School District / 3,341 |
| 328. | 0.2% | Hartford Joint No. 1 School District / 16,978 |
| 328. | 0.2% | Wittenberg-Birnamwood School District / 7,362 |
| 328. | 0.2% | Brown Deer School District / 11,974 |
| 328. | 0.2% | Spencer School District / 4,307 |
| 328. | 0.2% | Howards Grove School District / 5,795 |
| 335. | 0.2% | Alma Center School District / 3,040 |
| 335. | 0.2% | D.C. Everest Area School District / 31,024 |
| 335. | 0.2% | Plum City School District / 1,612 |
| 335. | 0.2% | Gillett School District / 4,176 |
| 339. | 0.2% | De Soto Area School District / 4,230 |
| 339. | 0.2% | Oakfield School District / 3,345 |
| 339. | 0.2% | Woodruff Joint No. 1 School District / 5,140 |
| 339. | 0.2% | Marinette School District / 15,224 |
| 343. | 0.2% | Washington-Caldwell School District / 1,750 |
| 343. | 0.2% | Ithaca School District / 1,897 |
| 343. | 0.2% | Bruce School District / 3,669 |
| 343. | 0.2% | Bloomer School District / 6,956 |
| 347. | 0.2% | Cedarburg School District / 19,545 |
| 347. | 0.2% | Big Foot Union High School District / 9,626 |
| 347. | 0.2% | Brillion School District / 5,196 |
| 347. | 0.2% | Tigerton School District / 1,775 |
| 347. | 0.2% | Gresham School District / 1,814 |
| 352. | 0.2% | Hillsboro School District / 4,582 |
| 352. | 0.2% | Greendale School District / 14,028 |
| 352. | 0.2% | Osceola School District / 9,318 |
| 352. | 0.2% | Rosholt School District / 3,877 |
| 352. | 0.2% | Parkview School District / 6,046 |
| 357. | 0.2% | Laona School District / 1,512 |
| 357. | 0.2% | Richfield Joint No. 1 School District / 4,433 |
| 357. | 0.2% | Reedsville School District / 4,709 |
| 357. | 0.2% | Kewaskum School District / 13,085 |
| 357. | 0.2% | Wrightstown Community School District / 6,732 |
| 362. | 0.2% | Little Chute Area School District / 8,863 |
| 362. | 0.2% | Gilman School District / 2,988 |
| 362. | 0.2% | White Lake School District / 1,430 |
| 362. | 0.2% | Baldwin-Woodville Area School District / 8,073 |
| 366. | 0.1% | St. Croix Central School District / 7,459 |
| 366. | 0.1% | Coleman School District / 4,866 |
| 366. | 0.1% | Almond-Bancroft School District / 2,497 |
| 366. | 0.1% | Ashwaubenon School District / 16,738 |
| 370. | 0.1% | Lac du Flambeau No. 1 School District / 3,128 |
| 370. | 0.1% | Mayville School District / 8,290 |
| 370. | 0.1% | Salem School District / 8,079 |
| 370. | 0.1% | Menomonie Area School District / 25,867 |
| 374. | 0.1% | Crandon School District / 5,897 |
| 374. | 0.1% | Plymouth School District / 16,867 |
| 374. | 0.1% | Loyal School District / 3,868 |
| 377. | 0.1% | Hilbert School District / 2,993 |
| 377. | 0.1% | Colby School District / 6,847 |
| 379. | 0.1% | Turtle Lake School District / 3,417 |
| 380. | 0.1% | Slinger School District / 15,261 |
| 381. | 0.1% | Algoma School District / 5,193 |
| 382. | 0.1% | Howard-Suamico School District / 27,350 |
| 382. | 0.1% | Durand School District / 7,514 |
| 384. | 0.1% | Thorp School District / 4,157 |
| 385. | 0.0% | Oconto School District / 7,553 |
| 385. | 0.0% | St. Francis School District / 9,709 |
| 387. | 0.0% | Sheboygan Falls School District / 11,681 |
| 387. | 0.0% | Lomira School District / 6,384 |
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.
