| Rank | Irish as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 27.5% | Williams Bay School District / 3,518 |
| 2. | 26.7% | Highland School District / 1,564 |
| 3. | 26.6% | Shullsburg School District / 2,172 |
| 4. | 26.0% | Mineral Point School District / 4,379 |
| 5. | 25.3% | Benton School District / 1,446 |
| 6. | 22.8% | Ithaca School District / 1,620 |
| 7. | 22.4% | Southwestern Wisconsin School District / 3,795 |
| 8. | 22.3% | Trevor-Wilmot Consolidated School District / 3,586 |
| 9. | 22.3% | Weston School District / 2,401 |
| 10. | 22.2% | Wauzeka-Steuben School District / 1,585 |
| 11. | 22.0% | Whitefish Bay School District / 14,132 |
| 12. | 21.9% | Linn Joint No. 4 School District / 1,028 |
| 13. | 21.8% | Merton Community School District / 6,294 |
| 14. | 21.4% | Seneca School District / 1,618 |
| 15. | 21.2% | Sharon Joint No. 11 School District / 1,992 |
| 16. | 21.2% | Silver Lake Joint No. 1 School District / 4,145 |
| 17. | 20.9% | Edgerton School District / 11,239 |
| 18. | 20.7% | Darlington Community School District / 5,207 |
| 19. | 20.7% | Walworth Joint No. 1 School District / 4,085 |
| 20. | 20.5% | Rubicon Joint No. 6 School District / 981 |
| 21. | 20.5% | Boscobel Area School District / 5,662 |
| 22. | 20.4% | Pecatonica Area School District / 2,845 |
| 23. | 20.2% | Kickapoo Area School District / 3,162 |
| 24. | 20.2% | Stone Bank School District / 2,774 |
| 25. | 20.0% | Parkview School District / 6,208 |
| 26. | 20.0% | Prairie du Chien Area School District / 8,493 |
| 27. | 19.8% | Royall School District / 4,020 |
| 28. | 19.8% | Mauston School District / 9,862 |
| 29. | 19.7% | Big Foot Union High School District / 9,326 |
| 30. | 19.7% | Belleville School District / 5,552 |
| 31. | 19.6% | Prescott School District / 7,902 |
| 32. | 19.5% | Barneveld School District / 2,277 |
| 33. | 19.4% | Riverdale School District / 4,998 |
| 34. | 19.4% | North Lake School District / 2,814 |
| 35. | 19.3% | Platteville School District / 15,055 |
| 36. | 19.2% | Wauwatosa School District / 46,838 |
| 37. | 19.1% | Janesville School District / 62,962 |
| 38. | 19.0% | Monona Grove School District / 17,583 |
| 39. | 18.8% | Twin Lakes No. 4 School District / 3,655 |
| 40. | 18.8% | North Crawford School District / 3,141 |
| 41. | 18.8% | Somerset School District / 8,083 |
| 42. | 18.8% | River Valley School District / 9,430 |
| 43. | 18.6% | Richland School District / 11,095 |
| 44. | 18.2% | Salem School District / 9,446 |
| 45. | 18.1% | Cornell School District / 2,795 |
| 46. | 18.0% | Genoa City Joint No. 2 School District / 5,453 |
| 47. | 18.0% | Cuba City School District / 4,821 |
| 48. | 18.0% | Arrowhead Union High School District / 34,356 |
| 49. | 17.9% | Waunakee Community School District / 18,546 |
| 50. | 17.8% | Lake Geneva-Genoa City Union High School District / 24,342 |
| 51. | 17.7% | Dodgeville School District / 8,188 |
| 51. | 17.7% | Fontana Joint No. 8 School District / 2,363 |
| 53. | 17.7% | Shorewood School District / 13,245 |
| 54. | 17.7% | Whitnall School District / 17,477 |
| 55. | 17.6% | Oregon School District / 20,141 |
| 56. | 17.6% | Lake Geneva Joint No. 1 School District / 16,734 |
| 57. | 17.6% | Linn Joint No. 6 School District / 886 |
| 58. | 17.5% | Birchwood School District / 2,122 |
| 59. | 17.5% | Lake Country School District / 4,472 |
| 59. | 17.5% | Beecher-Dunbar-Pembine School District / 2,555 |
| 61. | 17.4% | River Ridge School District / 3,807 |
| 62. | 17.4% | Baraboo School District / 20,321 |
| 63. | 17.4% | Erin School District / 2,564 |
| 64. | 17.3% | Wilmot Union High School District / 18,848 |
| 64. | 17.3% | Evansville Community School District / 9,575 |
| 64. | 17.3% | Black Hawk School District / 2,526 |
| 67. | 17.3% | Fox Point Joint No. 2 School District / 11,129 |
| 68. | 17.2% | Hartland-Lakeside Joint No. 3 School District / 11,338 |
| 69. | 17.2% | Wisconsin Dells School District / 11,762 |
| 70. | 17.2% | Potosi School District / 2,344 |
| 71. | 17.1% | Montello School District / 6,151 |
| 72. | 17.1% | Tomah Area School District / 20,794 |
| 73. | 17.1% | Wonewoc-Union Center School District / 3,370 |
| 74. | 17.0% | Nicolet Union High School District / 25,523 |
| 75. | 16.9% | Glendale-River Hills School District / 12,747 |
| 75. | 16.9% | Dover No. 1 School District / 1,821 |
| 77. | 16.8% | Middleton-Cross Plains School District / 39,214 |
| 78. | 16.7% | St. Croix Central School District / 7,585 |
| 79. | 16.7% | McFarland School District / 10,523 |
| 80. | 16.6% | Portage Community School District / 17,320 |
| 81. | 16.6% | Brodhead School District / 6,436 |
| 82. | 16.5% | Maple Dale-Indian Hill School District / 1,647 |
| 83. | 16.5% | Wisconsin Heights School District / 5,965 |
| 84. | 16.5% | Niagara School District / 2,475 |
| 85. | 16.3% | La Crosse School District / 63,606 |
| 86. | 16.3% | Burlington Area School District / 23,139 |
| 86. | 16.3% | Beloit School District / 36,451 |
| 88. | 16.3% | Milton School District / 19,123 |
| 89. | 16.3% | Iowa-Grant School District / 4,543 |
| 90. | 16.1% | Delavan-Darien School District / 17,140 |
| 90. | 16.1% | Westosha Central High School District / 19,733 |
| 90. | 16.1% | Lodi School District / 9,645 |
| 93. | 16.1% | Neosho Joint No. 3 School District / 2,081 |
| 94. | 16.1% | Stoughton Area School District / 21,018 |
| 95. | 16.1% | Waterford Joint No. 1 School District / 13,724 |
| 96. | 16.1% | Elmbrook School District / 45,085 |
| 96. | 16.1% | River Falls School District / 22,810 |
| 98. | 16.1% | Kohler School District / 2,410 |
| 99. | 16.0% | Whitewater School District / 20,275 |
| 100. | 16.0% | Cassville School District / 2,088 |
| 101. | 15.9% | Shell Lake School District / 3,581 |
| 101. | 15.9% | Crandon School District / 5,831 |
| 103. | 15.8% | Columbus School District / 7,809 |
| 104. | 15.8% | Mount Horeb Area School District / 12,578 |
| 105. | 15.8% | Beloit Turner School District / 8,795 |
| 106. | 15.8% | Swallow School District / 3,409 |
| 107. | 15.7% | Oconomowoc Area School District / 33,489 |
| 108. | 15.7% | Bristol No. 1 School District / 4,914 |
| 109. | 15.7% | White Lake School District / 1,431 |
| 109. | 15.7% | Name N/A / 213,969 |
| 111. | 15.6% | Poynette School District / 6,358 |
| 112. | 15.6% | Superior School District / 33,504 |
| 113. | 15.6% | Grafton School District / 14,235 |
| 114. | 15.5% | Mukwonago School District / 29,112 |
| 115. | 15.5% | Cambridge School District / 5,786 |
| 116. | 15.5% | Onalaska School District / 17,696 |
| 117. | 15.4% | Elk Mound Area School District / 4,900 |
| 118. | 15.4% | Campbellsport School District / 10,433 |
| 119. | 15.4% | Reedsburg School District / 17,008 |
| 119. | 15.4% | Neillsville School District / 6,318 |
| 121. | 15.4% | Clinton Community School District / 5,897 |
| 122. | 15.3% | Northwood School District / 2,909 |
| 123. | 15.3% | Rio Community School District / 2,978 |
| 124. | 15.3% | Union Grove Joint No. 1 School District / 5,282 |
| 125. | 15.2% | Lancaster Community School District / 6,028 |
| 126. | 15.2% | Monticello School District / 2,522 |
| 127. | 15.1% | North Cape School District / 813 |
| 128. | 15.1% | Laona School District / 1,317 |
| 129. | 15.1% | Menomonie Area School District / 27,332 |
| 129. | 15.1% | East Troy Community School District / 11,944 |
| 131. | 15.1% | Waterford Union High School District / 18,481 |
| 131. | 15.1% | DeForest Area School District / 20,770 |
| 133. | 15.1% | Chippewa Falls Area School District / 33,735 |
| 134. | 15.1% | Fennimore Community School District / 4,720 |
| 135. | 15.1% | Washington School District / 806 |
| 136. | 15.0% | Elkhorn Area School District / 17,786 |
| 137. | 15.0% | Ellsworth Community School District / 10,828 |
| 138. | 15.0% | Northland Pines School District / 11,239 |
| 139. | 14.9% | Cedarburg School District / 19,793 |
| 140. | 14.9% | Geneva Joint No. 4 School District / 1,127 |
| 141. | 14.9% | Elcho School District / 3,145 |
| 142. | 14.8% | Muskego-Norway School District / 29,362 |
| 142. | 14.8% | Sun Prairie Area School District / 42,859 |
| 144. | 14.7% | South Milwaukee School District / 21,210 |
| 145. | 14.7% | Siren School District / 2,885 |
| 146. | 14.6% | New Glarus School District / 4,752 |
| 147. | 14.6% | Pewaukee School District / 17,369 |
| 148. | 14.6% | Clayton School District / 2,071 |
| 149. | 14.6% | Deerfield Community School District / 4,227 |
| 149. | 14.6% | Lena School District / 2,588 |
| 149. | 14.6% | Little Chute Area School District / 8,423 |
| 152. | 14.5% | Verona Area School District / 40,475 |
| 153. | 14.5% | Madison Metropolitan School District / 231,979 |
| 153. | 14.5% | New Richmond School District / 17,211 |
| 155. | 14.4% | De Soto Area School District / 4,209 |
| 155. | 14.4% | Butternut School District / 1,282 |
| 157. | 14.4% | Glenwood City School District / 3,926 |
| 158. | 14.3% | Crivitz School District / 5,945 |
| 159. | 14.3% | Cadott Community School District / 5,058 |
| 159. | 14.3% | Kettle Moraine School District / 24,656 |
| 161. | 14.2% | Brighton No. 1 School District / 1,150 |
| 162. | 14.2% | Mequon-Thiensville School District / 26,543 |
| 163. | 14.1% | Solon Springs School District / 2,049 |
| 164. | 14.1% | Three Lakes School District / 3,974 |
| 165. | 14.0% | Chequamegon School District / 6,563 |
| 166. | 14.0% | Franklin Public School District / 29,025 |
| 167. | 13.9% | Pardeeville Area School District / 7,116 |
| 168. | 13.9% | Horicon School District / 5,579 |
| 169. | 13.8% | Wabeno Area School District / 3,669 |
| 170. | 13.7% | Spring Valley School District / 4,398 |
| 171. | 13.7% | Hudson School District / 30,864 |
| 172. | 13.7% | Clintonville School District / 10,063 |
| 173. | 13.7% | La Farge School District / 1,895 |
| 174. | 13.7% | De Pere Unified School District / 21,636 |
| 174. | 13.7% | Cudahy School District / 18,321 |
| 176. | 13.6% | Black River Falls School District / 12,464 |
| 177. | 13.6% | Port Washington-Saukville School District / 17,300 |
| 178. | 13.6% | Hartford Joint No. 1 School District / 17,750 |
| 179. | 13.6% | Hamilton School District / 25,784 |
| 179. | 13.6% | South Shore School District / 1,630 |
| 181. | 13.6% | Adams-Friendship Area School District / 14,373 |
| 181. | 13.6% | St. Croix Falls School District / 6,783 |
| 183. | 13.6% | Holmen School District / 19,880 |
| 184. | 13.6% | New London School District / 15,469 |
| 185. | 13.5% | Fort Atkinson School District / 18,389 |
| 186. | 13.4% | Lake Mills Area School District / 9,325 |
| 187. | 13.4% | Richmond School District / 3,255 |
| 188. | 13.4% | Kenosha School District / 128,596 |
| 189. | 13.3% | Necedah Area School District / 4,803 |
| 189. | 13.3% | Rhinelander School District / 20,306 |
| 191. | 13.3% | Waukesha School District / 93,541 |
| 192. | 13.3% | Minocqua Joint No. 1 School District / 6,684 |
| 192. | 13.3% | Westfield School District / 9,240 |
| 194. | 13.3% | Albany School District / 2,827 |
| 195. | 13.3% | Galesville-Ettrick-Trempealeau School District / 8,770 |
| 196. | 13.3% | Maple School District / 8,147 |
| 197. | 13.2% | Lake Holcombe School District / 2,374 |
| 197. | 13.2% | Palmyra-Eagle Area School District / 7,515 |
| 199. | 13.2% | Paris Joint No. 1 School District / 2,038 |
| 199. | 13.2% | Appleton Area School District / 95,613 |
| 201. | 13.2% | Fond du Lac School District / 53,083 |
| 202. | 13.2% | Wild Rose School District / 5,153 |
| 202. | 13.2% | West Salem School District / 9,879 |
| 204. | 13.2% | Marshall School District / 5,829 |
| 204. | 13.2% | Gibraltar Area School District / 5,633 |
| 206. | 13.1% | Elmwood School District / 2,162 |
| 207. | 13.1% | Baldwin-Woodville Area School District / 8,359 |
| 207. | 13.1% | Wrightstown Community School District / 7,476 |
| 209. | 13.1% | Webster School District / 5,650 |
| 210. | 13.1% | West Bend School District / 51,889 |
| 211. | 13.1% | New Lisbon School District / 5,231 |
| 212. | 13.0% | Washburn School District / 3,836 |
| 213. | 13.0% | Frederic School District / 3,563 |
| 214. | 13.0% | Bangor School District / 4,002 |
| 215. | 12.9% | Unity School District / 7,384 |
| 216. | 12.9% | Wheatland Joint No. 1 School District / 4,408 |
| 217. | 12.9% | Argyle School District / 1,959 |
| 218. | 12.9% | Hayward Community School District / 13,434 |
| 218. | 12.9% | New Berlin School District / 35,101 |
| 220. | 12.9% | Berlin Area School District / 10,437 |
| 220. | 12.9% | North Fond du Lac School District / 7,716 |
| 222. | 12.8% | Stockbridge School District / 1,817 |
| 223. | 12.8% | Bloomer School District / 7,337 |
| 224. | 12.8% | Hartford Union High School District / 32,054 |
| 225. | 12.8% | Alma Center School District / 3,097 |
| 226. | 12.7% | Beaver Dam School District / 22,667 |
| 227. | 12.6% | Menomonee Falls School District / 29,371 |
| 228. | 12.6% | West Allis School District / 68,357 |
| 229. | 12.6% | Sparta Area School District / 17,128 |
| 230. | 12.5% | Monroe School District / 15,685 |
| 230. | 12.5% | Belmont Community School District / 2,176 |
| 232. | 12.5% | Bruce School District / 3,675 |
| 233. | 12.5% | Germantown School District / 25,594 |
| 234. | 12.4% | West De Pere School District / 21,072 |
| 235. | 12.3% | Northern Ozaukee School District / 5,776 |
| 236. | 12.3% | Tomahawk School District / 10,012 |
| 237. | 12.3% | Sturgeon Bay School District / 8,317 |
| 238. | 12.2% | Pulaski Community School District / 19,880 |
| 239. | 12.2% | Greendale School District / 14,208 |
| 239. | 12.2% | Ladysmith-Hawkins School District / 5,256 |
| 241. | 12.2% | Eau Claire Area School District / 82,084 |
| 241. | 12.2% | Randolph School District / 3,175 |
| 241. | 12.2% | Grantsburg School District / 4,821 |
| 244. | 12.1% | Tri-County Area School District / 3,834 |
| 245. | 12.1% | Luck School District / 3,501 |
| 246. | 12.1% | Stevens Point Area School District / 56,966 |
| 247. | 12.1% | Kimberly Area School District / 26,314 |
| 247. | 12.1% | Viroqua Area School District / 8,605 |
| 249. | 12.1% | Coleman School District / 4,951 |
| 250. | 12.1% | Randall Joint No. 1 School District / 5,301 |
| 251. | 12.0% | Spooner Area School District / 10,344 |
| 251. | 12.0% | Ripon Area School District / 10,739 |
| 253. | 11.9% | Plymouth School District / 17,055 |
| 253. | 11.9% | Sauk Prairie School District / 16,021 |
| 255. | 11.9% | Green Lake School District / 2,598 |
| 256. | 11.9% | Random Lake School District / 5,687 |
| 257. | 11.8% | Howards Grove School District / 5,885 |
| 258. | 11.8% | Waupaca School District / 15,698 |
| 258. | 11.8% | Union Grove Union High School District / 13,314 |
| 260. | 11.7% | Neenah School District / 44,156 |
| 261. | 11.7% | Osceola School District / 8,963 |
| 262. | 11.7% | Antigo School District / 17,801 |
| 263. | 11.6% | Winter School District / 2,702 |
| 264. | 11.6% | Hillsboro School District / 4,328 |
| 265. | 11.6% | Norway Joint No. 7 School District / 1,884 |
| 265. | 11.6% | Shawano School District / 17,293 |
| 267. | 11.6% | Omro School District / 7,929 |
| 268. | 11.6% | Freedom Area School District / 9,112 |
| 269. | 11.5% | Tomorrow River School District / 4,822 |
| 270. | 11.5% | Elkhart Lake-Glenbeulah School District / 3,687 |
| 270. | 11.5% | Wausaukee School District / 4,075 |
| 272. | 11.5% | Clear Lake School District / 3,261 |
| 273. | 11.5% | Kewaskum School District / 14,066 |
| 274. | 11.5% | Winneconne Community School District / 8,945 |
| 274. | 11.5% | Oshkosh Area School District / 80,425 |
| 276. | 11.4% | Cedar Grove-Belgium Area School District / 5,598 |
| 276. | 11.4% | Princeton School District / 3,128 |
| 278. | 11.3% | St. Francis School District / 9,488 |
| 278. | 11.3% | North Lakeland School District / 2,617 |
| 280. | 11.2% | Reedsville School District / 4,692 |
| 280. | 11.2% | Fall River School District / 2,796 |
| 282. | 11.2% | Gillett School District / 3,877 |
| 283. | 11.2% | Washington-Caldwell School District / 2,060 |
| 284. | 11.1% | Rice Lake Area School District / 16,053 |
| 285. | 11.1% | Sevastopol School District / 5,120 |
| 286. | 11.1% | Denmark School District / 8,500 |
| 287. | 11.1% | New Auburn School District / 1,862 |
| 288. | 11.0% | D.C. Everest Area School District / 34,571 |
| 289. | 11.0% | Phillips School District / 5,899 |
| 289. | 11.0% | Rib Lake School District / 2,704 |
| 289. | 11.0% | Wautoma Area School District / 11,191 |
| 292. | 11.0% | Boyceville Community School District / 4,372 |
| 293. | 11.0% | Watertown School District / 30,906 |
| 294. | 11.0% | Weyauwega-Fremont School District / 6,939 |
| 295. | 11.0% | Drummond Area School District / 4,565 |
| 296. | 10.9% | Howard-Suamico School District / 29,717 |
| 297. | 10.8% | Cumberland School District / 5,692 |
| 298. | 10.8% | Norwalk-Ontario-Wilton School District / 4,425 |
| 299. | 10.8% | Pepin Area School District / 1,963 |
| 300. | 10.8% | Phelps School District / 1,285 |
| 301. | 10.8% | Lakeland Union High School District / 17,992 |
| 302. | 10.8% | Jefferson School District / 13,304 |
| 302. | 10.8% | Green Bay Area School District / 137,011 |
| 304. | 10.7% | Nekoosa School District / 8,698 |
| 305. | 10.7% | Kaukauna Area School District / 22,970 |
| 306. | 10.7% | Gilman School District / 3,025 |
| 306. | 10.7% | Ashland School District / 12,363 |
| 308. | 10.6% | Iola-Scandinavia School District / 4,642 |
| 308. | 10.6% | Friess Lake School District / 2,302 |
| 310. | 10.6% | Manitowoc School District / 38,734 |
| 311. | 10.5% | Hustisford School District / 3,356 |
| 312. | 10.5% | Suring School District / 4,052 |
| 313. | 10.5% | Almond-Bancroft School District / 2,999 |
| 314. | 10.5% | Brown Deer School District / 12,067 |
| 315. | 10.4% | Wisconsin Rapids School District / 34,912 |
| 316. | 10.4% | Florence School District / 4,473 |
| 316. | 10.4% | Greenfield School District / 29,398 |
| 318. | 10.3% | Melrose-Mindoro School District / 4,359 |
| 318. | 10.3% | Lomira School District / 6,736 |
| 320. | 10.3% | Oconto School District / 7,416 |
| 321. | 10.3% | Name N/A / 8,345 |
| 322. | 10.3% | Oak Creek-Franklin School District / 39,401 |
| 323. | 10.3% | Rosendale-Brandon School District / 5,591 |
| 324. | 10.2% | Goodman-Armstrong School District / 1,132 |
| 325. | 10.2% | Woodruff Joint No. 1 School District / 5,252 |
| 326. | 10.1% | Waupun School District / 19,002 |
| 327. | 10.1% | Marinette School District / 15,256 |
| 328. | 10.1% | Mercer School District / 1,354 |
| 329. | 10.1% | Hortonville School District / 20,062 |
| 330. | 10.0% | Shiocton School District / 4,046 |
| 331. | 9.9% | Prairie Farm School District / 1,808 |
| 332. | 9.9% | Altoona School District / 9,149 |
| 333. | 9.9% | Stanley-Boyd Area School District / 7,760 |
| 334. | 9.9% | Manawa School District / 5,076 |
| 335. | 9.9% | Peshtigo School District / 6,305 |
| 336. | 9.8% | Flambeau School District / 4,318 |
| 337. | 9.7% | Oconto Falls School District / 10,837 |
| 338. | 9.6% | Pittsville School District / 4,042 |
| 339. | 9.5% | Barron Area School District / 8,722 |
| 340. | 9.5% | Mosinee School District / 11,575 |
| 340. | 9.5% | Ashwaubenon School District / 16,070 |
| 342. | 9.4% | Fall Creek School District / 3,983 |
| 343. | 9.4% | Port Edwards School District / 3,622 |
| 344. | 9.4% | Sheboygan Falls School District / 11,926 |
| 345. | 9.4% | Wausau School District / 54,341 |
| 346. | 9.4% | Tigerton School District / 2,020 |
| 347. | 9.3% | Juda School District / 1,258 |
| 348. | 9.3% | Racine School District / 138,676 |
| 349. | 9.3% | Plum City School District / 1,836 |
| 350. | 9.3% | Markesan School District / 6,710 |
| 351. | 9.2% | Hurley School District / 4,190 |
| 352. | 9.1% | Chilton School District / 7,148 |
| 353. | 9.0% | Algoma School District / 5,297 |
| 354. | 9.0% | Cambria-Friesland School District / 2,373 |
| 355. | 9.0% | Brillion School District / 5,576 |
| 355. | 9.0% | Turtle Lake School District / 3,201 |
| 357. | 8.9% | Johnson Creek School District / 4,565 |
| 358. | 8.8% | Amery School District / 9,808 |
| 359. | 8.8% | Cameron School District / 4,973 |
| 360. | 8.7% | Menasha School District / 25,218 |
| 361. | 8.7% | Oakfield School District / 3,270 |
| 362. | 8.6% | Mellen School District / 1,913 |
| 362. | 8.6% | Osseo-Fairchild School District / 5,585 |
| 364. | 8.6% | Marion School District / 3,950 |
| 365. | 8.5% | Eleva-Strum School District / 3,668 |
| 366. | 8.5% | Mayville School District / 7,763 |
| 367. | 8.4% | Westby Area School District / 7,902 |
| 368. | 8.4% | Sheboygan Area School District / 60,517 |
| 369. | 8.3% | Kiel Area School District / 8,805 |
| 370. | 8.2% | Valders Area School District / 6,970 |
| 371. | 8.1% | Colby School District / 6,678 |
| 372. | 8.1% | Herman No. 22 School District / 1,824 |
| 373. | 8.0% | Waterloo School District / 5,500 |
| 374. | 7.9% | Bonduel School District / 6,393 |
| 374. | 7.9% | Two Rivers School District / 13,011 |
| 376. | 7.9% | Medford Area School District / 14,425 |
| 377. | 7.9% | Alma School District / 1,515 |
| 378. | 7.8% | Cochrane-Fountain City School District / 4,629 |
| 378. | 7.8% | Seymour Community School District / 13,166 |
| 380. | 7.7% | Durand School District / 7,216 |
| 380. | 7.7% | Merrill Area School District / 20,594 |
| 380. | 7.7% | Greenwood School District / 3,335 |
| 383. | 7.6% | Dodgeland School District / 5,821 |
| 384. | 7.6% | Hilbert School District / 2,902 |
| 385. | 7.5% | Southern Door County School District / 7,913 |
| 386. | 7.5% | Marshfield School District / 27,462 |
| 387. | 7.5% | Prentice School District / 3,034 |
| 388. | 7.3% | Slinger School District / 15,883 |
| 389. | 7.3% | Blair-Taylor School District / 4,291 |
| 389. | 7.3% | Richfield Joint No. 1 School District / 4,552 |
| 391. | 7.2% | Owen-Withee School District / 4,552 |
| 392. | 7.1% | Auburndale School District / 4,651 |
| 392. | 7.1% | New Holstein School District / 8,948 |
| 394. | 7.0% | Granton Area School District / 2,223 |
| 395. | 7.0% | Bayfield School District / 2,763 |
| 396. | 6.9% | Colfax School District / 4,639 |
| 397. | 6.8% | Augusta School District / 4,598 |
| 398. | 6.8% | Bowler School District / 2,769 |
| 399. | 6.8% | Abbotsford School District / 3,735 |
| 400. | 6.7% | Arcadia School District / 5,779 |
| 401. | 6.7% | Mishicot School District / 5,971 |
| 402. | 6.7% | Marathon City School District / 4,688 |
| 403. | 6.7% | Milwaukee School District / 598,035 |
| 404. | 6.6% | Yorkville Joint No. 2 School District / 2,875 |
| 404. | 6.6% | Luxemburg-Casco School District / 10,957 |
| 406. | 6.6% | Lac du Flambeau No. 1 School District / 3,439 |
| 407. | 6.5% | Raymond No. 14 School District / 3,274 |
| 408. | 6.4% | Spencer School District / 4,659 |
| 409. | 6.3% | Cashton School District / 3,579 |
| 410. | 6.2% | Kewaunee School District / 6,889 |
| 411. | 6.2% | Independence School District / 2,561 |
| 412. | 6.1% | Wittenberg-Birnamwood School District / 7,656 |
| 413. | 6.0% | Rosholt School District / 3,824 |
| 414. | 5.7% | Gilmanton School District / 1,052 |
| 414. | 5.7% | Oostburg School District / 6,422 |
| 416. | 5.5% | Whitehall School District / 5,016 |
| 417. | 5.5% | Stratford School District / 5,380 |
| 418. | 5.4% | Mondovi School District / 5,877 |
| 419. | 5.4% | Thorp School District / 4,434 |
| 420. | 5.3% | Gresham School District / 1,918 |
| 421. | 4.5% | Edgar School District / 3,713 |
| 422. | 4.2% | Loyal School District / 4,064 |
| 423. | 4.0% | Athens School District / 4,181 |
| 424. | 3.7% | Norris School District / 64 |
| 425. | 1.7% | Menominee Indian School District / 4,382 |
Please note that we only rank locations with 'Irish as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Irish as First Ancestry Population Percentage' data are not listed.
