| Rank | Irish as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 29.1% | Fontana Joint No. 8 School District / 2,355 |
| 2. | 28.9% | Benton School District / 1,549 |
| 3. | 27.6% | Stone Bank School District / 2,674 |
| 4. | 27.4% | Shullsburg School District / 2,224 |
| 5. | 26.7% | Mineral Point School District / 4,613 |
| 6. | 25.5% | Darlington Community School District / 5,159 |
| 7. | 25.5% | Wauzeka-Steuben School District / 1,706 |
| 8. | 25.2% | Rubicon Joint No. 6 School District / 1,177 |
| 9. | 24.2% | Southwestern Wisconsin School District / 3,943 |
| 10. | 23.9% | Erin School District / 2,707 |
| 11. | 23.8% | Merton Community School District / 6,374 |
| 12. | 23.5% | Highland School District / 1,671 |
| 13. | 23.1% | Boscobel Area School District / 5,590 |
| 14. | 22.6% | Whitefish Bay School District / 14,063 |
| 15. | 22.4% | Kickapoo Area School District / 2,951 |
| 16. | 22.3% | Ithaca School District / 1,898 |
| 17. | 22.2% | North Cape School District / 876 |
| 18. | 22.0% | Williams Bay School District / 3,258 |
| 19. | 21.7% | Pecatonica Area School District / 2,690 |
| 20. | 21.3% | Sharon Joint No. 11 School District / 1,876 |
| 21. | 21.3% | Potosi School District / 2,400 |
| 22. | 21.2% | Silver Lake Joint No. 1 School District / 4,226 |
| 23. | 21.1% | Cuba City School District / 4,749 |
| 24. | 20.9% | Big Foot Union High School District / 9,072 |
| 25. | 20.8% | Laona School District / 1,491 |
| 26. | 20.5% | Richland School District / 11,315 |
| 27. | 20.0% | North Crawford School District / 3,190 |
| 28. | 20.0% | Salem School District / 9,104 |
| 29. | 19.9% | Dodgeville School District / 7,964 |
| 30. | 19.9% | Monona Grove School District / 17,268 |
| 31. | 19.7% | Parkview School District / 6,171 |
| 32. | 19.6% | Beloit Turner School District / 8,753 |
| 33. | 19.5% | Riverdale School District / 4,839 |
| 34. | 19.4% | Seneca School District / 1,608 |
| 35. | 19.4% | North Lake School District / 2,971 |
| 36. | 19.4% | Wonewoc-Union Center School District / 3,244 |
| 37. | 19.3% | McFarland School District / 10,132 |
| 38. | 19.2% | Wauwatosa School District / 46,457 |
| 39. | 19.1% | Portage Community School District / 17,464 |
| 40. | 19.1% | White Lake School District / 1,430 |
| 41. | 19.1% | Platteville School District / 14,589 |
| 42. | 19.0% | Iowa-Grant School District / 4,489 |
| 43. | 19.0% | Mauston School District / 10,096 |
| 44. | 18.9% | Poynette School District / 6,343 |
| 44. | 18.9% | Linn Joint No. 4 School District / 1,127 |
| 46. | 18.9% | Montello School District / 6,294 |
| 47. | 18.8% | Columbus School District / 7,740 |
| 48. | 18.8% | Geneva Joint No. 4 School District / 1,207 |
| 49. | 18.8% | River Valley School District / 9,368 |
| 50. | 18.6% | Twin Lakes No. 4 School District / 3,532 |
| 51. | 18.5% | Trevor-Wilmot Consolidated School District / 3,697 |
| 52. | 18.5% | Janesville School District / 63,046 |
| 53. | 18.2% | Oregon School District / 19,779 |
| 54. | 18.2% | Weston School District / 2,316 |
| 55. | 18.2% | Prairie du Chien Area School District / 8,530 |
| 56. | 18.1% | Milton School District / 18,878 |
| 57. | 18.0% | Wilmot Union High School District / 18,948 |
| 58. | 17.9% | Arrowhead Union High School District / 34,358 |
| 59. | 17.8% | Cornell School District / 2,733 |
| 60. | 17.8% | St. Croix Central School District / 7,437 |
| 61. | 17.8% | Deerfield Community School District / 3,981 |
| 62. | 17.6% | River Ridge School District / 3,712 |
| 62. | 17.6% | Shorewood School District / 13,154 |
| 64. | 17.6% | Baraboo School District / 20,337 |
| 65. | 17.5% | Edgerton School District / 11,246 |
| 66. | 17.5% | Barneveld School District / 2,205 |
| 67. | 17.4% | Glendale-River Hills School District / 12,664 |
| 68. | 17.3% | Albany School District / 2,873 |
| 69. | 17.1% | Linn Joint No. 6 School District / 844 |
| 70. | 17.1% | Westosha Central High School District / 19,427 |
| 71. | 17.0% | La Crosse School District / 63,061 |
| 71. | 17.0% | Mequon-Thiensville School District / 26,457 |
| 73. | 16.9% | Washington School District / 716 |
| 74. | 16.9% | Swallow School District / 3,304 |
| 75. | 16.9% | Wisconsin Dells School District / 12,195 |
| 76. | 16.9% | Cassville School District / 2,179 |
| 77. | 16.8% | Butternut School District / 1,266 |
| 77. | 16.8% | Waterford Joint No. 1 School District / 13,677 |
| 79. | 16.8% | Crandon School District / 5,884 |
| 80. | 16.7% | Beecher-Dunbar-Pembine School District / 2,833 |
| 81. | 16.6% | Brodhead School District / 6,327 |
| 82. | 16.6% | East Troy Community School District / 11,922 |
| 83. | 16.6% | Elmbrook School District / 44,852 |
| 84. | 16.6% | Mukwonago School District / 28,642 |
| 85. | 16.6% | Fennimore Community School District / 4,749 |
| 86. | 16.5% | Clinton Community School District / 5,765 |
| 87. | 16.5% | Walworth Joint No. 1 School District / 3,997 |
| 88. | 16.5% | Campbellsport School District / 10,652 |
| 89. | 16.5% | Middleton-Cross Plains School District / 38,506 |
| 90. | 16.4% | Dover No. 1 School District / 1,824 |
| 91. | 16.4% | Bristol No. 1 School District / 4,818 |
| 92. | 16.3% | Mount Horeb Area School District / 11,939 |
| 93. | 16.3% | Nicolet Union High School District / 25,475 |
| 94. | 16.3% | Minocqua Joint No. 1 School District / 6,761 |
| 94. | 16.3% | Rio Community School District / 3,030 |
| 96. | 16.2% | Belmont Community School District / 1,998 |
| 97. | 16.1% | River Falls School District / 22,886 |
| 98. | 16.1% | Belleville School District / 5,511 |
| 99. | 16.0% | Sun Prairie Area School District / 42,002 |
| 100. | 16.0% | Baldwin-Woodville Area School District / 8,467 |
| 101. | 15.9% | Lodi School District / 9,514 |
| 101. | 15.9% | Muskego-Norway School District / 29,209 |
| 103. | 15.8% | Name N/A / 213,319 |
| 103. | 15.8% | Reedsburg School District / 16,457 |
| 103. | 15.8% | Three Lakes School District / 4,230 |
| 106. | 15.8% | Black Hawk School District / 2,583 |
| 106. | 15.8% | Randall Joint No. 1 School District / 5,338 |
| 108. | 15.7% | Evansville Community School District / 9,627 |
| 109. | 15.7% | Waterford Union High School District / 18,214 |
| 110. | 15.7% | Lancaster Community School District / 6,183 |
| 110. | 15.7% | Palmyra-Eagle Area School District / 7,258 |
| 112. | 15.7% | De Soto Area School District / 3,936 |
| 112. | 15.7% | Lake Geneva-Genoa City Union High School District / 24,508 |
| 114. | 15.7% | Germantown School District / 25,626 |
| 115. | 15.6% | Elkhorn Area School District / 17,939 |
| 116. | 15.6% | Waunakee Community School District / 18,207 |
| 117. | 15.6% | Genoa City Joint No. 2 School District / 5,211 |
| 118. | 15.6% | Onalaska School District / 17,255 |
| 119. | 15.5% | Argyle School District / 1,912 |
| 120. | 15.5% | Kettle Moraine School District / 24,829 |
| 121. | 15.4% | Niagara School District / 2,417 |
| 122. | 15.4% | Beloit School District / 36,723 |
| 123. | 15.4% | West De Pere School District / 19,892 |
| 124. | 15.3% | Elmwood School District / 2,238 |
| 125. | 15.3% | Burlington Area School District / 23,174 |
| 125. | 15.3% | Lake Geneva Joint No. 1 School District / 16,963 |
| 127. | 15.3% | Prescott School District / 7,771 |
| 127. | 15.3% | Pardeeville Area School District / 6,895 |
| 129. | 15.3% | Royall School District / 5,559 |
| 130. | 15.3% | Little Chute Area School District / 8,180 |
| 131. | 15.3% | Glenwood City School District / 3,854 |
| 132. | 15.2% | Fox Point Joint No. 2 School District / 11,065 |
| 133. | 15.2% | Omro School District / 7,837 |
| 134. | 15.2% | Elk Mound Area School District / 4,533 |
| 135. | 15.2% | New Lisbon School District / 5,191 |
| 136. | 15.2% | Whitewater School District / 19,822 |
| 136. | 15.2% | Wisconsin Heights School District / 5,975 |
| 136. | 15.2% | Northland Pines School District / 11,080 |
| 139. | 15.2% | Verona Area School District / 37,836 |
| 140. | 15.1% | Chippewa Falls Area School District / 33,121 |
| 141. | 15.1% | Birchwood School District / 2,094 |
| 141. | 15.1% | Hartland-Lakeside Joint No. 3 School District / 11,479 |
| 143. | 15.1% | Whitnall School District / 17,503 |
| 144. | 15.0% | Ellsworth Community School District / 11,203 |
| 145. | 15.0% | Pewaukee School District / 16,961 |
| 146. | 15.0% | Menomonie Area School District / 27,164 |
| 147. | 14.9% | Somerset School District / 7,908 |
| 148. | 14.9% | New Berlin School District / 34,658 |
| 149. | 14.9% | DeForest Area School District / 19,617 |
| 150. | 14.8% | Clintonville School District / 10,096 |
| 150. | 14.8% | Oconomowoc Area School District / 32,686 |
| 152. | 14.8% | Waukesha School District / 92,659 |
| 153. | 14.8% | Webster School District / 5,634 |
| 154. | 14.7% | Wabeno Area School District / 3,771 |
| 154. | 14.7% | Stoughton Area School District / 21,192 |
| 156. | 14.7% | Siren School District / 3,061 |
| 157. | 14.7% | Delavan-Darien School District / 17,203 |
| 158. | 14.6% | Lake Country School District / 4,741 |
| 159. | 14.6% | Maple Dale-Indian Hill School District / 1,746 |
| 160. | 14.6% | Madison Metropolitan School District / 227,184 |
| 161. | 14.5% | Superior School District / 33,591 |
| 162. | 14.5% | Menomonee Falls School District / 28,613 |
| 163. | 14.5% | Waupaca School District / 15,858 |
| 164. | 14.5% | Necedah Area School District / 4,769 |
| 164. | 14.5% | Fond du Lac School District / 52,549 |
| 166. | 14.5% | Port Washington-Saukville School District / 16,846 |
| 167. | 14.4% | Elcho School District / 3,455 |
| 168. | 14.4% | Brighton No. 1 School District / 1,284 |
| 169. | 14.3% | St. Croix Falls School District / 6,776 |
| 170. | 14.3% | Westfield School District / 9,180 |
| 171. | 14.3% | Cedarburg School District / 19,473 |
| 171. | 14.3% | Cambridge School District / 5,815 |
| 173. | 14.3% | Holmen School District / 19,651 |
| 173. | 14.3% | Neillsville School District / 6,710 |
| 175. | 14.2% | New Richmond School District / 17,415 |
| 176. | 14.2% | Wheatland Joint No. 1 School District / 4,538 |
| 177. | 14.2% | Horicon School District / 5,518 |
| 178. | 14.2% | Alma Center School District / 3,037 |
| 179. | 14.1% | Appleton Area School District / 94,486 |
| 180. | 14.1% | Gibraltar Area School District / 5,721 |
| 181. | 14.0% | South Milwaukee School District / 21,119 |
| 181. | 14.0% | Franklin Public School District / 28,209 |
| 183. | 14.0% | Hudson School District / 29,970 |
| 184. | 14.0% | Lake Holcombe School District / 2,460 |
| 184. | 14.0% | Galesville-Ettrick-Trempealeau School District / 8,561 |
| 186. | 14.0% | Tomah Area School District / 20,165 |
| 187. | 13.9% | Wrightstown Community School District / 6,844 |
| 188. | 13.9% | Shell Lake School District / 3,589 |
| 189. | 13.9% | West Salem School District / 9,760 |
| 189. | 13.9% | Kenosha School District / 127,921 |
| 191. | 13.8% | Sparta Area School District / 16,882 |
| 192. | 13.8% | Greendale School District / 14,085 |
| 193. | 13.8% | Spring Valley School District / 4,212 |
| 194. | 13.6% | Random Lake School District / 6,124 |
| 195. | 13.5% | Hartford Union High School District / 31,949 |
| 196. | 13.5% | West Allis School District / 68,742 |
| 197. | 13.5% | Friess Lake School District / 2,513 |
| 198. | 13.5% | Hamilton School District / 26,157 |
| 199. | 13.5% | Florence School District / 4,486 |
| 200. | 13.5% | Kohler School District / 2,366 |
| 201. | 13.3% | Wautoma Area School District / 11,098 |
| 202. | 13.2% | Osceola School District / 9,145 |
| 203. | 13.2% | Rhinelander School District / 20,298 |
| 204. | 13.2% | Hartford Joint No. 1 School District / 17,330 |
| 204. | 13.2% | Adams-Friendship Area School District / 14,675 |
| 204. | 13.2% | Paris Joint No. 1 School District / 1,874 |
| 207. | 13.1% | Green Lake School District / 2,752 |
| 208. | 13.1% | Spooner Area School District / 10,363 |
| 209. | 13.1% | Fort Atkinson School District / 18,361 |
| 210. | 13.1% | Neosho Joint No. 3 School District / 2,094 |
| 211. | 13.0% | Stevens Point Area School District / 56,668 |
| 212. | 13.0% | Hustisford School District / 3,459 |
| 213. | 13.0% | Clear Lake School District / 3,181 |
| 214. | 12.9% | Hillsboro School District / 4,617 |
| 215. | 12.8% | New London School District / 15,499 |
| 216. | 12.8% | Frederic School District / 3,659 |
| 216. | 12.8% | Reedsville School District / 4,626 |
| 218. | 12.8% | Monticello School District / 2,482 |
| 219. | 12.8% | Winter School District / 2,847 |
| 220. | 12.6% | Flambeau School District / 3,580 |
| 221. | 12.6% | Northwood School District / 3,122 |
| 222. | 12.6% | Kaukauna Area School District / 22,706 |
| 223. | 12.6% | Monroe School District / 15,857 |
| 223. | 12.6% | Weyauwega-Fremont School District / 7,021 |
| 223. | 12.6% | Clayton School District / 1,931 |
| 226. | 12.6% | Lakeland Union High School District / 18,116 |
| 226. | 12.6% | West Bend School District / 51,521 |
| 226. | 12.6% | Nekoosa School District / 9,041 |
| 229. | 12.5% | Coleman School District / 4,953 |
| 229. | 12.5% | Ladysmith-Hawkins School District / 6,043 |
| 231. | 12.5% | North Lakeland School District / 2,573 |
| 232. | 12.4% | Sturgeon Bay School District / 8,520 |
| 233. | 12.4% | Washburn School District / 3,922 |
| 234. | 12.4% | Union Grove Joint No. 1 School District / 5,369 |
| 234. | 12.4% | Marshall School District / 5,905 |
| 234. | 12.4% | Crivitz School District / 5,983 |
| 237. | 12.4% | De Pere Unified School District / 20,790 |
| 238. | 12.4% | Luck School District / 3,653 |
| 239. | 12.3% | Kewaskum School District / 14,141 |
| 240. | 12.3% | Iola-Scandinavia School District / 4,646 |
| 240. | 12.3% | Bruce School District / 3,734 |
| 242. | 12.3% | Altoona School District / 8,910 |
| 243. | 12.3% | Richmond School District / 2,815 |
| 243. | 12.3% | Wausaukee School District / 4,071 |
| 245. | 12.2% | Maple School District / 7,978 |
| 246. | 12.2% | Mosinee School District / 11,820 |
| 247. | 12.1% | Cedar Grove-Belgium Area School District / 5,658 |
| 248. | 12.1% | Eau Claire Area School District / 81,106 |
| 249. | 12.0% | Northern Ozaukee School District / 5,747 |
| 250. | 12.0% | Sauk Prairie School District / 15,534 |
| 250. | 12.0% | Beaver Dam School District / 22,560 |
| 252. | 12.0% | Cadott Community School District / 5,102 |
| 253. | 12.0% | Drummond Area School District / 4,634 |
| 254. | 11.9% | Freedom Area School District / 9,014 |
| 255. | 11.9% | Berlin Area School District / 10,636 |
| 255. | 11.9% | Winneconne Community School District / 8,725 |
| 257. | 11.9% | Cudahy School District / 18,251 |
| 258. | 11.9% | Tri-County Area School District / 3,963 |
| 259. | 11.9% | La Farge School District / 1,946 |
| 259. | 11.9% | Kimberly Area School District / 25,942 |
| 261. | 11.8% | Neenah School District / 44,048 |
| 262. | 11.8% | Wild Rose School District / 5,316 |
| 263. | 11.8% | Name N/A / 8,433 |
| 263. | 11.8% | Ashland School District / 12,231 |
| 265. | 11.8% | Antigo School District / 17,735 |
| 265. | 11.8% | Ripon Area School District / 10,768 |
| 267. | 11.7% | Plymouth School District / 16,939 |
| 268. | 11.7% | Peshtigo School District / 6,228 |
| 269. | 11.7% | South Shore School District / 1,696 |
| 269. | 11.7% | Black River Falls School District / 12,234 |
| 271. | 11.7% | Dodgeland School District / 6,232 |
| 271. | 11.7% | Waterloo School District / 5,472 |
| 273. | 11.6% | Wisconsin Rapids School District / 34,539 |
| 273. | 11.6% | Tomahawk School District / 9,867 |
| 275. | 11.6% | Lena School District / 2,586 |
| 276. | 11.6% | Cameron School District / 5,070 |
| 277. | 11.6% | North Fond du Lac School District / 7,977 |
| 277. | 11.6% | Bangor School District / 4,053 |
| 279. | 11.6% | Hayward Community School District / 13,279 |
| 280. | 11.4% | Rib Lake School District / 2,775 |
| 280. | 11.4% | Juda School District / 1,389 |
| 282. | 11.4% | Manawa School District / 4,940 |
| 283. | 11.4% | Woodruff Joint No. 1 School District / 5,340 |
| 284. | 11.3% | Lomira School District / 6,726 |
| 285. | 11.2% | New Glarus School District / 4,536 |
| 286. | 11.2% | Johnson Creek School District / 4,555 |
| 287. | 11.2% | Stockbridge School District / 1,961 |
| 287. | 11.2% | Oshkosh Area School District / 79,941 |
| 287. | 11.2% | Oak Creek-Franklin School District / 39,009 |
| 290. | 11.1% | Solon Springs School District / 2,001 |
| 291. | 11.1% | Viroqua Area School District / 8,847 |
| 292. | 11.1% | Watertown School District / 30,876 |
| 293. | 11.0% | Green Bay Area School District / 136,304 |
| 294. | 11.0% | Prairie Farm School District / 1,690 |
| 295. | 11.0% | Phelps School District / 1,472 |
| 295. | 11.0% | Union Grove Union High School District / 13,252 |
| 297. | 10.8% | Pepin Area School District / 1,997 |
| 297. | 10.8% | New Auburn School District / 1,820 |
| 299. | 10.8% | Rice Lake Area School District / 15,885 |
| 300. | 10.8% | Grafton School District / 14,470 |
| 301. | 10.7% | Marinette School District / 15,436 |
| 302. | 10.7% | Grantsburg School District / 4,756 |
| 303. | 10.7% | Lake Mills Area School District / 9,154 |
| 304. | 10.6% | Hilbert School District / 2,857 |
| 305. | 10.6% | Unity School District / 7,132 |
| 306. | 10.6% | Cumberland School District / 5,816 |
| 306. | 10.6% | Bloomer School District / 7,275 |
| 308. | 10.6% | Howard-Suamico School District / 28,532 |
| 309. | 10.6% | Chequamegon School District / 6,680 |
| 310. | 10.6% | Randolph School District / 3,206 |
| 311. | 10.5% | Waupun School District / 18,904 |
| 311. | 10.5% | Goodman-Armstrong School District / 919 |
| 313. | 10.5% | Boyceville Community School District / 4,552 |
| 314. | 10.5% | Almond-Bancroft School District / 2,701 |
| 315. | 10.4% | Greenfield School District / 28,825 |
| 316. | 10.4% | Fall Creek School District / 3,894 |
| 317. | 10.4% | Seymour Community School District / 12,861 |
| 318. | 10.3% | Gilman School District / 2,994 |
| 318. | 10.3% | St. Francis School District / 9,365 |
| 320. | 10.3% | Port Edwards School District / 4,099 |
| 321. | 10.3% | Markesan School District / 6,482 |
| 322. | 10.2% | Alma School District / 1,624 |
| 323. | 10.2% | Shawano School District / 17,415 |
| 323. | 10.2% | Osseo-Fairchild School District / 5,340 |
| 325. | 10.2% | Washington-Caldwell School District / 1,784 |
| 326. | 10.2% | Denmark School District / 8,698 |
| 327. | 10.1% | Pulaski Community School District / 19,999 |
| 327. | 10.1% | Tomorrow River School District / 5,035 |
| 329. | 10.0% | Manitowoc School District / 39,139 |
| 330. | 10.0% | Hurley School District / 3,972 |
| 331. | 10.0% | Fall River School District / 2,693 |
| 331. | 10.0% | Norway Joint No. 7 School District / 1,877 |
| 333. | 10.0% | Racine School District / 138,878 |
| 333. | 10.0% | D.C. Everest Area School District / 33,597 |
| 335. | 9.9% | Tigerton School District / 1,872 |
| 336. | 9.9% | Norwalk-Ontario-Wilton School District / 2,985 |
| 337. | 9.9% | Barron Area School District / 8,920 |
| 338. | 9.8% | Sevastopol School District / 4,844 |
| 339. | 9.8% | Rosendale-Brandon School District / 5,418 |
| 339. | 9.8% | Elkhart Lake-Glenbeulah School District / 3,646 |
| 341. | 9.8% | Ashwaubenon School District / 16,360 |
| 342. | 9.8% | Brown Deer School District / 11,980 |
| 343. | 9.7% | Brillion School District / 5,592 |
| 344. | 9.7% | Cashton School District / 3,688 |
| 345. | 9.6% | Suring School District / 3,947 |
| 346. | 9.6% | Mercer School District / 1,670 |
| 347. | 9.6% | Oakfield School District / 3,183 |
| 348. | 9.5% | Eleva-Strum School District / 3,555 |
| 349. | 9.5% | Yorkville Joint No. 2 School District / 2,803 |
| 350. | 9.4% | Amery School District / 9,858 |
| 351. | 9.4% | Oconto Falls School District / 11,022 |
| 352. | 9.4% | Algoma School District / 5,367 |
| 352. | 9.4% | Valders Area School District / 7,094 |
| 354. | 9.4% | Chilton School District / 7,104 |
| 355. | 9.4% | Phillips School District / 6,061 |
| 356. | 9.3% | Blair-Taylor School District / 4,266 |
| 357. | 9.3% | Plum City School District / 1,663 |
| 358. | 9.3% | Menasha School District / 24,903 |
| 359. | 9.2% | Turtle Lake School District / 3,563 |
| 360. | 9.1% | Durand School District / 7,490 |
| 361. | 9.1% | Stanley-Boyd Area School District / 7,524 |
| 362. | 9.1% | Mayville School District / 7,853 |
| 362. | 9.1% | Colfax School District / 4,575 |
| 362. | 9.1% | Colby School District / 6,732 |
| 365. | 9.0% | Jefferson School District / 13,377 |
| 366. | 9.0% | Two Rivers School District / 12,950 |
| 367. | 8.9% | Slinger School District / 15,792 |
| 368. | 8.9% | Sheboygan Falls School District / 11,566 |
| 368. | 8.9% | Pittsville School District / 3,881 |
| 370. | 8.9% | Sheboygan Area School District / 60,985 |
| 371. | 8.8% | Wausau School District / 54,266 |
| 372. | 8.8% | Shiocton School District / 4,217 |
| 372. | 8.8% | Greenwood School District / 3,694 |
| 374. | 8.8% | Melrose-Mindoro School District / 3,927 |
| 375. | 8.7% | Cochrane-Fountain City School District / 4,470 |
| 376. | 8.7% | Cambria-Friesland School District / 2,231 |
| 377. | 8.7% | Gillett School District / 4,124 |
| 378. | 8.6% | Hortonville School District / 19,216 |
| 379. | 8.6% | Wittenberg-Birnamwood School District / 7,865 |
| 380. | 8.6% | Princeton School District / 3,107 |
| 381. | 8.4% | Medford Area School District / 14,376 |
| 382. | 8.3% | Merrill Area School District / 20,784 |
| 383. | 8.3% | Howards Grove School District / 6,016 |
| 384. | 8.3% | Oconto School District / 7,342 |
| 385. | 8.2% | Richfield Joint No. 1 School District / 4,439 |
| 386. | 8.1% | Prentice School District / 2,950 |
| 387. | 8.1% | Spencer School District / 4,556 |
| 388. | 8.0% | Marshfield School District / 27,346 |
| 388. | 8.0% | New Holstein School District / 8,931 |
| 390. | 8.0% | Marion School District / 3,980 |
| 391. | 7.9% | Granton Area School District / 2,130 |
| 392. | 7.8% | Westby Area School District / 7,727 |
| 393. | 7.6% | Mellen School District / 1,907 |
| 394. | 7.6% | Lac du Flambeau No. 1 School District / 3,442 |
| 395. | 7.6% | Mishicot School District / 6,131 |
| 396. | 7.5% | Mondovi School District / 5,826 |
| 396. | 7.5% | Independence School District / 2,609 |
| 398. | 7.5% | Thorp School District / 4,366 |
| 399. | 7.5% | Bonduel School District / 6,523 |
| 400. | 7.3% | Arcadia School District / 5,653 |
| 401. | 7.1% | Raymond No. 14 School District / 3,220 |
| 402. | 7.1% | Kiel Area School District / 8,819 |
| 403. | 7.0% | Owen-Withee School District / 4,417 |
| 404. | 6.8% | Herman No. 22 School District / 1,689 |
| 405. | 6.8% | Milwaukee School District / 594,260 |
| 406. | 6.7% | Abbotsford School District / 3,459 |
| 407. | 6.6% | Southern Door County School District / 8,071 |
| 408. | 6.4% | Auburndale School District / 4,529 |
| 409. | 6.3% | Augusta School District / 4,826 |
| 410. | 6.1% | Luxemburg-Casco School District / 10,979 |
| 411. | 6.0% | Stratford School District / 5,112 |
| 412. | 5.9% | Marathon City School District / 4,747 |
| 413. | 5.7% | Whitehall School District / 5,165 |
| 414. | 5.3% | Gresham School District / 1,966 |
| 415. | 5.2% | Kewaunee School District / 6,700 |
| 416. | 5.1% | Bayfield School District / 2,818 |
| 417. | 5.1% | Bowler School District / 2,555 |
| 418. | 4.9% | Gilmanton School District / 1,206 |
| 419. | 4.8% | Edgar School District / 3,606 |
| 420. | 4.5% | Oostburg School District / 6,019 |
| 421. | 4.1% | Rosholt School District / 3,766 |
| 422. | 4.1% | Loyal School District / 4,126 |
| 423. | 3.4% | Athens School District / 4,414 |
| 424. | 2.7% | Menominee Indian School District / 4,274 |
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.
*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.
