| Rank | Irish as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 55.1% | West Wildwood Borough School District / 544 |
| 2. | 51.1% | Avon-by-the-Sea Borough School District / 2,270 |
| 3. | 50.3% | Allenhurst Borough School District / 582 |
| 4. | 49.9% | Sea Isle City School District / 2,932 |
| 5. | 49.0% | Spring Lake Heights Borough School District / 5,154 |
| 6. | 44.8% | North Wildwood City School District / 4,812 |
| 7. | 44.6% | Brielle Borough School District / 4,898 |
| 8. | 43.5% | Woodbury Heights Borough School District / 3,035 |
| 9. | 43.2% | Gloucester City School District / 11,532 |
| 10. | 43.1% | Spring Lake Borough School District / 3,529 |
| 11. | 42.9% | Name N/A / 22 |
| 12. | 42.2% | Manasquan Borough School District / 6,270 |
| 13. | 42.1% | Sea Girt Borough School District / 2,051 |
| 14. | 41.8% | Audubon Borough School District / 8,944 |
| 15. | 41.3% | Wenonah Borough School District / 2,251 |
| 16. | 41.2% | Interlaken Borough School District / 893 |
| 17. | 40.8% | Mount Ephraim Borough School District / 4,415 |
| 18. | 40.6% | Corbin City School District / 553 |
| 19. | 40.5% | Belmar Borough School District / 5,944 |
| 20. | 40.3% | Name N/A / 1,062 |
| 21. | 40.2% | Laurel Springs Borough School District / 2,294 |
| 22. | 40.1% | Tuckerton Borough School District / 3,855 |
| 23. | 40.0% | Lower Township School District / 20,612 |
| 24. | 40.0% | Oaklyn Borough School District / 4,071 |
| 25. | 39.9% | Point Pleasant Borough School District / 20,022 |
| 26. | 39.8% | Little Silver Borough School District / 6,160 |
| 27. | 39.4% | Haddon Township School District / 14,408 |
| 28. | 39.2% | Gibbsboro Borough School District / 2,616 |
| 29. | 39.1% | Fair Haven Borough School District / 5,945 |
| 30. | 39.0% | Gateway Regional School District / 12,985 |
| 31. | 38.9% | Hampton Township School District / 5,145 |
| 32. | 38.7% | Woodland Township School District / 842 |
| 33. | 38.6% | Haddon Heights Borough School District / 7,471 |
| 34. | 38.3% | National Park Borough School District / 3,228 |
| 35. | 38.1% | Island Heights Borough School District / 1,506 |
| 36. | 38.1% | Lower Cape May Regional School District / 25,361 |
| 37. | 37.4% | Avalon Borough School District / 1,965 |
| 38. | 37.1% | Medford Lakes Borough School District / 4,130 |
| 39. | 37.0% | Name N/A / 403 |
| 40. | 36.9% | Rumson-Fair Haven Regional School District / 13,212 |
| 41. | 36.4% | Middletown Township School District / 66,574 |
| 42. | 36.2% | Stratford Borough School District / 7,088 |
| 43. | 36.1% | Hazlet Township School District / 21,072 |
| 44. | 36.0% | Ocean City School District / 14,967 |
| 44. | 36.0% | Montague Township School District / 3,862 |
| 46. | 36.0% | Shrewsbury Borough School District / 3,765 |
| 47. | 35.9% | Oceanport Borough School District / 5,780 |
| 48. | 35.7% | Elmer Borough School District / 1,271 |
| 49. | 35.4% | Ocean Gate Borough School District / 1,886 |
| 50. | 35.0% | Rumson Borough School District / 7,267 |
| 51. | 35.0% | Westville Borough School District / 4,471 |
| 52. | 35.0% | Palmyra Borough School District / 7,438 |
| 53. | 35.0% | Alloway Township School District / 3,039 |
| 54. | 34.8% | Morris Plains Borough School District / 5,889 |
| 55. | 34.7% | Upper Township School District / 11,256 |
| 56. | 34.7% | Berlin Borough School District / 7,901 |
| 57. | 34.7% | Mendham Borough School District / 5,077 |
| 58. | 34.7% | Lake Como Borough School District / 1,861 |
| 59. | 34.6% | Stanhope Borough School District / 3,596 |
| 60. | 34.5% | Waterford Township School District / 10,658 |
| 61. | 34.4% | Green Township School District / 3,537 |
| 62. | 34.3% | Bellmawr Borough School District / 11,177 |
| 63. | 34.3% | Cinnaminson Township School District / 15,288 |
| 64. | 34.2% | Waldwick Borough School District / 9,477 |
| 64. | 34.2% | Denville Township School District / 16,420 |
| 66. | 34.0% | Bethlehem Township School District / 3,952 |
| 67. | 34.0% | Sandyston-Walpack Township School District / 1,956 |
| 68. | 34.0% | Lebanon Borough School District / 1,267 |
| 69. | 33.8% | Alexandria Township School District / 5,072 |
| 70. | 33.8% | Bass River Township School District / 1,186 |
| 71. | 33.7% | Keansburg Borough School District / 10,745 |
| 72. | 33.6% | Cape May Point Borough School District / 132 |
| 73. | 33.4% | Pitman Borough School District / 9,233 |
| 74. | 33.3% | Highlands Borough School District / 5,295 |
| 75. | 33.2% | Estell Manor City School District / 1,539 |
| 76. | 33.2% | Magnolia Borough School District / 4,354 |
| 77. | 33.0% | Wall Township School District / 26,226 |
| 78. | 33.0% | Ho-Ho-Kus Borough School District / 4,010 |
| 79. | 33.0% | East Greenwich Township School District / 7,279 |
| 80. | 32.8% | West Deptford Township School District / 21,719 |
| 81. | 32.7% | The Chathams School District / 18,366 |
| 82. | 32.7% | Washington Township School District / 51,909 |
| 83. | 32.6% | Northfield City School District / 7,911 |
| 84. | 32.5% | Sterling High School Dist School District / 16,557 |
| 85. | 32.3% | Milford Borough School District / 1,313 |
| 86. | 32.2% | Ringwood Borough School District / 12,600 |
| 87. | 32.0% | Rockaway Borough School District / 6,288 |
| 88. | 32.0% | Longport Borough School District / 1,161 |
| 89. | 31.9% | Henry Hudson Regional School District / 9,921 |
| 90. | 31.9% | Runnemede Borough School District / 8,446 |
| 91. | 31.8% | Name N/A / 981 |
| 91. | 31.8% | Logan Township School District / 6,216 |
| 93. | 31.7% | Brigantine City School District / 12,701 |
| 94. | 31.7% | Riverton Borough School District / 2,675 |
| 95. | 31.6% | Maple Shade Township School District / 19,251 |
| 96. | 31.5% | Name N/A / 1,586 |
| 97. | 31.5% | Brick Township School District / 78,321 |
| 98. | 31.3% | Farmingdale Borough School District / 1,511 |
| 99. | 31.3% | Port Republic City School District / 996 |
| 100. | 31.3% | Name N/A / 2,000 |
| 101. | 31.2% | Barrington Borough School District / 6,974 |
| 102. | 31.2% | Black Horse Pike Regional School District / 84,630 |
| 103. | 31.1% | Kittatinny Regional School District / 14,756 |
| 104. | 31.0% | Collingswood Borough School District / 13,928 |
| 105. | 31.0% | Vernon Township School District / 24,999 |
| 106. | 31.0% | Ogdensburg Borough School District / 2,572 |
| 107. | 30.9% | West Milford Township School District / 27,601 |
| 108. | 30.9% | Hardyston Township School District / 8,188 |
| 109. | 30.8% | Springfield Township School District / 3,498 |
| 110. | 30.8% | Shamong Township School District / 6,768 |
| 111. | 30.8% | Elk Township School District / 3,900 |
| 112. | 30.7% | Washington Township School District / 6,867 |
| 113. | 30.6% | Essex Fells Borough School District / 2,050 |
| 114. | 30.6% | Cranford Township School District / 21,941 |
| 115. | 30.6% | Clayton Borough School District / 7,512 |
| 116. | 30.5% | Lacey Township School District / 26,323 |
| 117. | 30.5% | Gloucester Township School District / 65,007 |
| 118. | 30.5% | Wildwood Crest Borough School District / 3,987 |
| 119. | 30.5% | Oakland Borough School District / 13,282 |
| 120. | 30.4% | Newton Town School District / 8,205 |
| 121. | 30.4% | Monroe Township School District / 32,464 |
| 122. | 30.3% | Pinelands Regional School District / 27,116 |
| 123. | 30.3% | Andover Regional School District / 7,172 |
| 124. | 30.3% | Atlantic Highlands Borough School District / 4,626 |
| 125. | 30.3% | Cape May City School District / 3,731 |
| 126. | 30.3% | Bay Head Borough School District / 1,278 |
| 127. | 30.3% | Riverside Township School District / 7,798 |
| 128. | 30.3% | Barnegat Township School District / 21,618 |
| 128. | 30.3% | Mantua Township School District / 15,135 |
| 130. | 30.2% | Weymouth Township School District / 2,679 |
| 131. | 30.2% | Mainland Regional School District / 26,576 |
| 132. | 30.2% | Monmouth Beach Borough School District / 3,601 |
| 133. | 30.1% | Haddonfield Borough School District / 11,489 |
| 134. | 30.0% | Medford Township School District / 22,950 |
| 135. | 30.0% | Clementon Borough School District / 4,908 |
| 136. | 29.8% | Clearview Regional School District / 27,188 |
| 137. | 29.8% | Neptune City School District / 5,162 |
| 138. | 29.8% | Moorestown Township School District / 19,646 |
| 139. | 29.7% | Linwood City School District / 7,256 |
| 140. | 29.7% | Wallkill Valley Regional School District / 19,375 |
| 141. | 29.6% | Stafford Township School District / 26,248 |
| 142. | 29.6% | Hamburg Borough School District / 3,488 |
| 143. | 29.6% | Evesham Township School District / 45,770 |
| 144. | 29.5% | Tabernacle Township School District / 7,216 |
| 145. | 29.5% | Deptford Township School District / 30,338 |
| 146. | 29.5% | Stone Harbor Borough School District / 956 |
| 147. | 29.4% | Shore Regional School District / 19,345 |
| 148. | 29.3% | Delanco Township School District / 4,384 |
| 149. | 29.3% | Harrison Township School District / 12,053 |
| 150. | 29.3% | Southern Regional School District / 35,692 |
| 151. | 29.2% | Caldwell-West Caldwell School District / 17,732 |
| 152. | 29.1% | Belvidere Town School District / 2,655 |
| 153. | 29.0% | Dennis Township School District / 5,860 |
| 154. | 29.0% | Red Bank Regional School District / 21,847 |
| 155. | 28.9% | Somers Point City School District / 11,409 |
| 156. | 28.8% | Kingsway Regional School District / 21,365 |
| 157. | 28.7% | Berlin Township School District / 5,400 |
| 158. | 28.7% | Lenape Regional School District / 138,216 |
| 159. | 28.6% | Eastampton Township School District / 6,573 |
| 160. | 28.6% | Ocean Township School District / 8,545 |
| 161. | 28.6% | Little Egg Harbor Township School District / 20,368 |
| 162. | 28.4% | Long Beach Island School District / 7,801 |
| 163. | 28.4% | Folsom Borough School District / 1,804 |
| 164. | 28.3% | Stockton Borough School District / 558 |
| 165. | 28.3% | Brooklawn Borough School District / 2,129 |
| 166. | 28.3% | Glen Ridge Borough School District / 6,755 |
| 167. | 28.2% | Southampton Township School District / 10,882 |
| 168. | 28.2% | Fredon Township School District / 3,324 |
| 169. | 28.2% | Winfield Township School District / 1,540 |
| 170. | 28.2% | Oradell Borough School District / 7,790 |
| 171. | 28.0% | Lambertville City School District / 3,781 |
| 172. | 28.0% | Pine Hill Borough School District / 11,291 |
| 173. | 27.9% | Name N/A / 1,527 |
| 174. | 27.8% | Upper Freehold Regional School District / 8,680 |
| 175. | 27.7% | Union Beach Borough School District / 6,669 |
| 176. | 27.7% | Beach Haven Borough School District / 1,643 |
| 177. | 27.6% | Lafayette Township School District / 2,480 |
| 178. | 27.5% | Ridgewood Village School District / 24,181 |
| 178. | 27.5% | Middle Township School District / 16,409 |
| 180. | 27.5% | Jackson Township School District / 52,497 |
| 181. | 27.3% | Swedesboro-Woolwich School District / 11,034 |
| 182. | 27.2% | Seaside Park Borough School District / 2,339 |
| 183. | 27.1% | Bradley Beach Borough School District / 4,867 |
| 184. | 27.1% | Clinton Town School District / 2,570 |
| 185. | 27.1% | Franklin Borough School District / 5,127 |
| 185. | 27.1% | Ramsey Borough School District / 14,496 |
| 185. | 27.1% | Pequannock Township School District / 16,423 |
| 185. | 27.1% | Lenape Valley Regional School District / 15,350 |
| 189. | 27.0% | Delsea Regional High School School District / 20,950 |
| 190. | 27.0% | Commercial Township School District / 5,390 |
| 191. | 27.0% | Florence Township School District / 11,433 |
| 192. | 26.9% | Toms River Regional School District / 112,244 |
| 193. | 26.9% | Lakeland Regional School District / 24,008 |
| 194. | 26.9% | Harding Township School District / 3,302 |
| 195. | 26.9% | Colts Neck Township School District / 10,113 |
| 195. | 26.9% | Jefferson Township School District / 21,538 |
| 197. | 26.8% | Name N/A / 433 |
| 197. | 26.8% | Eagleswood Township School District / 1,707 |
| 199. | 26.8% | Lakehurst Borough School District / 2,698 |
| 199. | 26.8% | Somerdale Borough School District / 5,115 |
| 201. | 26.7% | South Hunterdon Regional School District / 7,260 |
| 202. | 26.6% | Frankford Township School District / 5,607 |
| 203. | 26.6% | Verona Borough School District / 12,227 |
| 204. | 26.6% | High Point Regional School District / 22,455 |
| 205. | 26.6% | Harrington Park Borough School District / 4,840 |
| 206. | 26.4% | New Providence Borough School District / 11,797 |
| 207. | 26.4% | Kinnelon Borough School District / 9,546 |
| 208. | 26.4% | Park Ridge Borough School District / 8,833 |
| 209. | 26.4% | Greenwich Township School District / 4,991 |
| 210. | 26.3% | Point Pleasant Beach Borough School District / 5,406 |
| 211. | 26.3% | Florham Park Borough School District / 12,401 |
| 212. | 26.3% | West Cape May Borough School District / 1,018 |
| 213. | 26.2% | Plumsted Township School District / 8,188 |
| 214. | 26.2% | Chester Township School District / 9,163 |
| 215. | 26.2% | Franklin Township School District / 17,050 |
| 216. | 26.2% | Hillsdale Borough School District / 9,854 |
| 217. | 26.1% | Union Township School District / 6,250 |
| 218. | 26.1% | Washington Borough School District / 6,731 |
| 219. | 26.0% | Pennsville Township School District / 13,267 |
| 220. | 26.0% | Sussex-Wantage Regional School District / 13,387 |
| 221. | 26.0% | Keyport Borough School District / 7,521 |
| 222. | 26.0% | Readington Township School District / 16,149 |
| 223. | 25.9% | Milltown Borough School District / 6,952 |
| 224. | 25.7% | Byram Township School District / 8,513 |
| 225. | 25.7% | Woodbury City School District / 10,420 |
| 226. | 25.7% | Howell Township School District / 51,272 |
| 227. | 25.6% | Delaware Valley Regional School District / 17,096 |
| 228. | 25.5% | Warren Hills Regional School District / 24,860 |
| 229. | 25.5% | Sparta Township School District / 19,144 |
| 230. | 25.5% | Hampton Borough School District / 1,909 |
| 231. | 25.5% | Mount Arlington Borough School District / 5,595 |
| 232. | 25.4% | Merchantville Borough School District / 3,779 |
| 233. | 25.3% | Mount Laurel Township School District / 39,658 |
| 234. | 25.3% | Morris Hills Regional School District / 54,119 |
| 235. | 25.3% | Allamuchy Township School District / 4,220 |
| 236. | 25.2% | Boonton Town School District / 8,451 |
| 237. | 25.1% | West Morris Regional School District / 38,140 |
| 238. | 25.1% | North Hunterdon-Voorhees Regional School District / 52,335 |
| 239. | 25.1% | Lebanon Township School District / 6,225 |
| 240. | 25.1% | Cranbury Township School District / 3,912 |
| 241. | 25.1% | Pompton Lakes Borough School District / 11,005 |
| 242. | 25.0% | Rutherford Borough School District / 17,506 |
| 243. | 24.9% | East Amwell Township School District / 4,491 |
| 244. | 24.9% | Oldmans Township School District / 1,916 |
| 245. | 24.9% | Galloway Township School District / 36,037 |
| 246. | 24.8% | Central Regional School District / 51,683 |
| 246. | 24.8% | Hunterdon Central Regional School District / 52,053 |
| 248. | 24.8% | Hi-Nella Borough School District / 1,027 |
| 249. | 24.7% | River Dell Regional School District / 18,434 |
| 250. | 24.6% | West Amwell Township School District / 2,921 |
| 251. | 24.6% | Egg Harbor Township School District / 39,162 |
| 252. | 24.5% | Allendale Borough School District / 6,600 |
| 253. | 24.5% | Mannington Township School District / 1,412 |
| 254. | 24.4% | Clinton Township School District / 13,887 |
| 255. | 24.4% | Hopatcong Borough School District / 15,625 |
| 255. | 24.4% | Flemington-Raritan Regional School District / 26,724 |
| 257. | 24.4% | Elsinboro Township School District / 1,109 |
| 258. | 24.4% | Hoboken City School District / 39,978 |
| 259. | 24.4% | Absecon City School District / 8,179 |
| 260. | 24.3% | Glassboro Borough School District / 19,560 |
| 261. | 24.3% | South Harrison Township School District / 3,052 |
| 262. | 24.2% | Franklin Township School District / 3,133 |
| 263. | 24.2% | Westfield Town School District / 29,416 |
| 264. | 24.2% | Name N/A / 2,183,102 |
| 265. | 24.2% | Washington Township School District / 18,384 |
| 266. | 24.1% | West Long Branch Borough School District / 8,378 |
| 267. | 24.1% | Mountain Lakes Borough School District / 4,272 |
| 268. | 24.1% | Frelinghuysen Township School District / 2,112 |
| 269. | 24.0% | Quinton Township School District / 2,840 |
| 270. | 24.0% | Manchester Township School District / 41,780 |
| 271. | 24.0% | Berkeley Township School District / 42,657 |
| 272. | 23.9% | Mahwah Township School District / 24,108 |
| 273. | 23.8% | Name N/A / 1,978 |
| 274. | 23.6% | Madison Borough School District / 15,872 |
| 275. | 23.6% | Delran Township School District / 16,949 |
| 276. | 23.5% | Pine Valley Borough School District / 17 |
| 277. | 23.5% | Garwood Borough School District / 4,204 |
| 278. | 23.5% | River Vale Township School District / 9,589 |
| 279. | 23.4% | Margate City School District / 8,525 |
| 280. | 23.4% | Name N/A / 671 |
| 281. | 23.4% | Name N/A / 1,369 |
| 282. | 23.3% | Glen Rock Borough School District / 11,151 |
| 283. | 23.3% | Mount Olive Township School District / 25,802 |
| 284. | 23.3% | Montvale Borough School District / 7,353 |
| 285. | 23.3% | Spotswood Borough School District / 8,120 |
| 286. | 23.2% | Lumberton Township School District / 12,114 |
| 287. | 23.0% | Ramapo-Indian Hill Regional School District / 41,475 |
| 288. | 23.0% | Tinton Falls Borough School District / 20,419 |
| 288. | 23.0% | Phillipsburg Town School District / 14,580 |
| 290. | 23.0% | Roseland Borough School District / 5,329 |
| 290. | 23.0% | South Amboy City School District / 7,768 |
| 292. | 23.0% | Berkeley Heights Township School District / 13,312 |
| 293. | 22.9% | Northvale Borough School District / 4,593 |
| 294. | 22.9% | Bloomsbury Borough School District / 773 |
| 295. | 22.9% | Pittsgrove Township School District / 9,446 |
| 296. | 22.8% | Wildwood City School District / 5,250 |
| 297. | 22.7% | Bernards Township School District / 26,436 |
| 298. | 22.6% | Great Meadows Regional School District / 8,605 |
| 298. | 22.6% | Delaware Township School District / 4,689 |
| 300. | 22.6% | White Township School District / 5,795 |
| 301. | 22.6% | Midland Park Borough School District / 6,762 |
| 302. | 22.5% | Lavallette Borough School District / 2,754 |
| 302. | 22.5% | North Warren Regional School District / 12,687 |
| 304. | 22.5% | Stillwater Township School District / 4,331 |
| 305. | 22.4% | Tewksbury Township School District / 6,040 |
| 306. | 22.4% | Millstone Township School District / 10,188 |
| 306. | 22.4% | Robbinsville Township School District / 11,894 |
| 308. | 22.3% | Pascack Valley Regional School District / 32,661 |
| 309. | 22.3% | Rockleigh Borough School District / 603 |
| 310. | 22.3% | Greater Egg Harbor Regional School District / 70,688 |
| 311. | 22.3% | River Edge Borough School District / 10,644 |
| 312. | 22.2% | Butler Borough School District / 8,038 |
| 313. | 22.2% | Rancocas Valley Regional School District / 43,712 |
| 314. | 22.1% | Westwood Regional School District / 20,197 |
| 315. | 22.1% | Netcong Borough School District / 3,241 |
| 316. | 22.1% | Blairstown Township School District / 5,920 |
| 317. | 22.1% | Califon Borough School District / 1,361 |
| 318. | 22.0% | Wyckoff Township School District / 16,836 |
| 319. | 22.0% | Newfield Elementary School District / 1,617 |
| 320. | 21.9% | Bordentown Regional School District / 14,729 |
| 321. | 21.9% | Lincoln Park Borough School District / 10,668 |
| 322. | 21.8% | Long Hill Township School District / 8,629 |
| 323. | 21.7% | Dumont Borough School District / 16,988 |
| 324. | 21.7% | Matawan-Aberdeen Regional School District / 27,395 |
| 325. | 21.6% | Emerson Borough School District / 7,264 |
| 326. | 21.6% | Holland Township School District / 5,252 |
| 327. | 21.5% | Seaside Heights Borough School District / 3,295 |
| 328. | 21.4% | Red Bank Borough School District / 11,922 |
| 329. | 21.4% | Bloomingdale Borough School District / 7,435 |
| 330. | 21.4% | Freehold Township School District / 34,502 |
| 331. | 21.3% | Lower Alloways Creek Township School District / 1,948 |
| 332. | 21.2% | Boonton Township School District / 4,397 |
| 333. | 21.2% | Mansfield Township School District / 8,129 |
| 334. | 21.2% | Kingwood Township School District / 4,026 |
| 335. | 21.1% | Cherry Hill Township School District / 71,061 |
| 336. | 21.0% | Middlesex Borough School District / 13,604 |
| 337. | 21.0% | Eastern Camden County Regional School District / 41,305 |
| 337. | 21.0% | Mountainside Borough School District / 6,541 |
| 339. | 20.9% | Cedar Grove Township School District / 12,603 |
| 340. | 20.9% | Mansfield Township School District / 7,927 |
| 341. | 20.9% | Wanaque Borough School District / 11,408 |
| 342. | 20.8% | Mullica Township School District / 6,046 |
| 343. | 20.8% | Northern Highlands Regional School District / 14,986 |
| 344. | 20.8% | Warren Township School District / 15,717 |
| 345. | 20.7% | Rockaway Township School District / 25,313 |
| 346. | 20.7% | Hainesport Township School District / 6,009 |
| 347. | 20.7% | Randolph Township School District / 25,219 |
| 348. | 20.5% | Scotch Plains-Fanwood Regional School District / 29,902 |
| 349. | 20.5% | Lopatcong Township School District / 8,307 |
| 350. | 20.5% | Hamilton Township School District / 24,201 |
| 351. | 20.4% | North Arlington Borough School District / 14,727 |
| 352. | 20.3% | Maywood Borough School District / 9,176 |
| 353. | 20.3% | Hamilton Township School District / 89,767 |
| 354. | 20.3% | High Bridge Borough School District / 3,702 |
| 355. | 20.2% | Monmouth Regional School District / 34,626 |
| 356. | 20.2% | Westampton Township School District / 8,627 |
| 357. | 20.1% | Watchung Hills Regional School District / 30,591 |
| 358. | 20.1% | Hawthorne Borough School District / 17,909 |
| 359. | 20.1% | Dunellen Borough School District / 6,940 |
| 360. | 20.1% | Northern Burlington Regional School District / 30,316 |
| 361. | 20.1% | Hopewell Valley Regional School District / 22,348 |
| 362. | 19.9% | Summit City School District / 20,657 |
| 363. | 19.9% | Ocean Township School District / 28,301 |
| 364. | 19.8% | Beverly City School District / 2,597 |
| 365. | 19.8% | Alpha Borough School District / 2,576 |
| 366. | 19.8% | Knowlton Township School District / 3,128 |
| 367. | 19.7% | Little Falls Township School District / 11,622 |
| 368. | 19.7% | Hope Township School District / 1,968 |
| 369. | 19.7% | Riverdale Borough School District / 2,924 |
| 370. | 19.5% | Clark Township School District / 14,349 |
| 371. | 19.4% | Morris Township School District / 39,854 |
| 371. | 19.4% | Moonachie Borough School District / 2,765 |
| 373. | 19.3% | Burlington Township School District / 21,446 |
| 374. | 19.3% | North Hanover Township School District / 11,917 |
| 375. | 19.3% | Roxbury Township School District / 23,247 |
| 376. | 19.2% | Mount Holly Township School District / 10,389 |
| 377. | 19.2% | Holmdel Township School District / 16,931 |
| 378. | 19.2% | Somerset Hills Regional School District / 11,021 |
| 379. | 19.2% | Hasbrouck Heights Borough School District / 11,389 |
| 380. | 19.1% | Harmony Township School District / 2,809 |
| 381. | 19.1% | Branchburg Township School District / 14,876 |
| 382. | 18.9% | Metuchen Borough School District / 13,070 |
| 382. | 18.9% | Greenwich Township School District / 805 |
| 384. | 18.9% | Roosevelt Borough School District / 950 |
| 385. | 18.9% | Green Brook Township School District / 6,796 |
| 386. | 18.9% | Hanover Township School District / 13,591 |
| 387. | 18.8% | Lawrence Township School District / 2,933 |
| 387. | 18.8% | Freehold Regional School District / 189,519 |
| 389. | 18.8% | Penns Grove-Carneys Point Regional School District / 12,628 |
| 390. | 18.7% | Carlstadt Borough School District / 5,962 |
| 391. | 18.7% | Hanover Park Regional School District / 37,401 |
| 392. | 18.6% | Pennsauken Township School District / 35,160 |
| 393. | 18.5% | Wood-Ridge Borough School District / 7,453 |
| 394. | 18.5% | Pohatcong Township School District / 3,338 |
| 395. | 18.4% | Old Bridge Township School District / 65,036 |
| 396. | 18.3% | Neptune Township School District / 28,416 |
| 397. | 18.1% | Edgewater Park Township School District / 7,822 |
| 398. | 18.1% | Frenchtown Borough School District / 1,433 |
| 399. | 18.1% | Winslow Township School District / 38,751 |
| 400. | 18.1% | Mendham Township School District / 5,516 |
| 401. | 18.0% | Hackettstown Town School District / 9,435 |
| 402. | 18.0% | Bayonne City School District / 58,004 |
| 403. | 18.0% | New Milford Borough School District / 15,926 |
| 404. | 17.9% | Franklin Township School District / 3,172 |
| 405. | 17.7% | Upper Saddle River Borough School District / 8,386 |
| 406. | 17.7% | Woodstown-Pilesgrove Regional School District / 7,798 |
| 407. | 17.7% | Pemberton Township School District / 28,340 |
| 408. | 17.7% | Burlington City School District / 9,540 |
| 409. | 17.6% | Hillsborough Township School District / 38,225 |
| 410. | 17.5% | Greenwich Township School District / 5,134 |
| 411. | 17.5% | Stow Creek Township School District / 1,631 |
| 412. | 17.4% | Hammonton Town School District / 13,445 |
| 413. | 17.1% | Old Tappan Borough School District / 5,943 |
| 414. | 17.1% | Haworth Borough School District / 3,382 |
| 415. | 17.1% | Kenilworth Borough School District / 7,617 |
| 415. | 17.1% | Oxford Township School District / 2,598 |
| 417. | 17.1% | Sayreville Borough School District / 42,104 |
| 418. | 16.9% | North Haledon Borough School District / 8,863 |
| 418. | 16.9% | West Essex Regional School District / 21,967 |
| 420. | 16.8% | Saddle River Borough School District / 3,747 |
| 421. | 16.8% | Bogota Borough School District / 7,929 |
| 422. | 16.7% | Secaucus Town School District / 15,408 |
| 423. | 16.7% | Wayne Township School District / 53,812 |
| 424. | 16.7% | Montgomery Township School District / 22,785 |
| 425. | 16.6% | Paramus Borough School District / 26,055 |
| 426. | 16.5% | Upper Pittsgrove Township School District / 3,585 |
| 427. | 16.5% | Bridgewater-Raritan Regional School District / 50,950 |
| 428. | 16.5% | Hopewell Township School District / 4,767 |
| 429. | 16.3% | Lyndhurst Township School District / 19,230 |
| 430. | 16.3% | Upper Deerfield Township School District / 8,067 |
| 430. | 16.3% | Cresskill Borough School District / 8,434 |
| 432. | 16.3% | Saddle Brook Township School District / 13,576 |
| 433. | 16.2% | Eatontown Borough School District / 14,207 |
| 434. | 16.1% | Watchung Borough School District / 6,245 |
| 435. | 16.1% | Mine Hill Township School District / 3,598 |
| 436. | 16.1% | Manalapan-Englishtown Regional School District / 40,270 |
| 437. | 15.9% | Ewing Township School District / 36,331 |
| 438. | 15.9% | Northern Valley Regional School District / 38,574 |
| 439. | 15.7% | Franklin Lakes Borough School District / 11,357 |
| 440. | 15.7% | Voorhees Township School District / 30,788 |
| 441. | 15.5% | Manville Borough School District / 10,581 |
| 442. | 15.5% | South Plainfield Borough School District / 22,569 |
| 443. | 15.4% | Lawrence Township School District / 31,528 |
| 444. | 15.2% | Freehold Borough School District / 11,473 |
| 445. | 15.2% | Ventnor City City School District / 12,349 |
| 446. | 15.2% | South Orange-Maplewood School District / 38,897 |
| 447. | 15.1% | Chesilhurst Borough School District / 1,499 |
| 448. | 15.0% | Maurice River Township School District / 8,099 |
| 449. | 14.9% | Nutley Town School District / 26,355 |
| 450. | 14.9% | Norwood Borough School District / 6,158 |
| 451. | 14.8% | Woodbridge Township School District / 97,922 |
| 452. | 14.7% | Parsippany-Troy Hills Township School District / 50,508 |
| 453. | 14.7% | Ridgefield Park Township School District / 12,407 |
| 454. | 14.6% | Monroe Township School District / 35,598 |
| 455. | 14.5% | Deerfield Township School District / 3,229 |
| 456. | 14.5% | Bedminster Township School District / 8,304 |
| 457. | 14.4% | Rochelle Park Township School District / 5,957 |
| 458. | 14.3% | South Hackensack Township School District / 2,428 |
| 459. | 14.2% | Buena Regional School District / 11,158 |
| 460. | 14.2% | Chesterfield Township School District / 6,974 |
| 461. | 14.2% | Carlstadt-East Rutherford School District / 14,708 |
| 462. | 14.1% | Montclair Town School District / 36,945 |
| 463. | 14.1% | Princeton Regional School District / 30,732 |
| 464. | 14.1% | Montville Township School District / 21,077 |
| 465. | 14.0% | Jamesburg Borough School District / 6,348 |
| 466. | 14.0% | Paulsboro Borough School District / 6,085 |
| 467. | 14.0% | Fair Lawn Borough School District / 30,570 |
| 468. | 13.9% | Millville City School District / 28,397 |
| 469. | 13.6% | Passaic Valley Regional School District / 33,613 |
| 470. | 13.6% | Lindenwold Borough School District / 17,377 |
| 471. | 13.6% | Cumberland Regional School District / 25,827 |
| 472. | 13.3% | Egg Harbor City School District / 4,404 |
| 473. | 13.3% | South Bound Brook Borough School District / 4,785 |
| 474. | 13.3% | South River Borough School District / 15,662 |
| 475. | 13.2% | New Hanover Township School District / 5,387 |
| 476. | 13.2% | Deal Borough School District / 1,147 |
| 477. | 13.2% | Weehawken Township School District / 12,437 |
| 478. | 13.0% | Wharton Borough School District / 6,098 |
| 478. | 13.0% | Downe Township School District / 1,756 |
| 480. | 13.0% | East Windsor Regional School District / 31,972 |
| 481. | 13.0% | East Brunswick Township School District / 47,148 |
| 482. | 12.9% | Woodcliff Lake Borough School District / 5,865 |
| 483. | 12.9% | Fairfield Township School District / 7,502 |
| 484. | 12.8% | West Windsor-Plainsboro Regional School District / 47,152 |
| 485. | 12.7% | North Caldwell Borough School District / 7,086 |
| 486. | 12.6% | Englewood Cliffs Borough School District / 5,724 |
| 487. | 12.4% | Millburn Township School District / 18,694 |
| 488. | 12.3% | Elmwood Park Borough School District / 18,545 |
| 489. | 12.3% | Salem City School District / 5,723 |
| 490. | 12.2% | Bloomfield Township School District / 44,392 |
| 491. | 12.2% | South Brunswick Township School District / 40,485 |
| 492. | 12.1% | Somerville Borough School District / 12,503 |
| 493. | 11.9% | Kearny Town School District / 37,163 |
| 493. | 11.9% | Roselle Park Borough School District / 12,821 |
| 495. | 11.9% | Woodbine Borough School District / 2,696 |
| 496. | 11.8% | Long Branch City School District / 32,566 |
| 497. | 11.6% | Carteret Borough School District / 22,512 |
| 498. | 11.6% | Bound Brook Borough School District / 10,171 |
| 499. | 11.5% | Name N/A / 554 |
| 500. | 11.2% | Livingston Township School District / 27,597 |
| 501. | 11.0% | East Rutherford Borough School District / 8,746 |
| 502. | 11.0% | Rahway City School District / 27,941 |
| 503. | 11.0% | West Orange Town School District / 43,190 |
| 504. | 11.0% | Totowa Borough School District / 10,504 |
| 505. | 11.0% | East Hanover Township School District / 11,409 |
| 506. | 10.6% | Vineland City School District / 58,426 |
| 507. | 10.4% | Bergenfield Borough School District / 25,575 |
| 508. | 10.3% | Demarest Borough School District / 5,050 |
| 509. | 10.2% | Woodland Park Borough School District / 11,487 |
| 510. | 10.2% | Springfield Township School District / 14,689 |
| 511. | 10.1% | Passaic County Manchester Regional School District / 22,860 |
| 512. | 9.7% | Leonia Borough School District / 8,619 |
| 513. | 9.5% | Edison Township School District / 98,996 |
| 514. | 9.5% | Ridgefield Borough School District / 10,812 |
| 515. | 9.5% | Harrison Town School District / 14,369 |
| 516. | 9.4% | Edgewater Borough School District / 9,507 |
| 517. | 9.3% | Marlboro Township School District / 40,378 |
| 518. | 9.3% | Clifton City School District / 78,049 |
| 519. | 9.1% | North Brunswick Township School District / 39,333 |
| 520. | 9.0% | Little Ferry Borough School District / 10,468 |
| 521. | 8.9% | Closter Borough School District / 8,608 |
| 522. | 8.8% | Haledon Borough School District / 8,396 |
| 523. | 8.6% | Belleville Town School District / 33,881 |
| 524. | 8.3% | Franklin Township School District / 58,898 |
| 525. | 8.3% | Highland Park Borough School District / 14,107 |
| 526. | 8.0% | Alpine Borough School District / 2,008 |
| 527. | 7.8% | Union Township School District / 53,796 |
| 528. | 7.8% | North Plainfield Borough School District / 21,315 |
| 529. | 7.6% | Linden City School District / 39,173 |
| 530. | 7.5% | Tenafly Borough School District / 14,324 |
| 531. | 7.2% | Cliffside Park Borough School District / 22,677 |
| 532. | 7.0% | Piscataway Township School District / 52,112 |
| 533. | 6.6% | Washington Township School District / 1,781 |
| 534. | 6.5% | Fairfield Township School District / 6,774 |
| 535. | 6.5% | Lodi Borough School District / 23,793 |
| 536. | 6.3% | Asbury Park City School District / 16,652 |
| 537. | 6.3% | Englewood City School District / 27,829 |
| 538. | 6.2% | Willingboro Township School District / 34,998 |
| 539. | 6.0% | Lakewood Township School District / 70,046 |
| 540. | 5.9% | Dover Town School District / 17,996 |
| 541. | 5.8% | New Brunswick City School District / 50,326 |
| 542. | 5.8% | East Newark Borough School District / 2,249 |
| 543. | 5.8% | Jersey City School District / 239,127 |
| 544. | 5.5% | Hackensack City School District / 42,768 |
| 545. | 5.3% | North Bergen Township School District / 55,715 |
| 546. | 5.2% | Pleasantville City School District / 18,829 |
| 547. | 5.1% | Wallington Borough School District / 11,244 |
| 548. | 4.9% | Teaneck Township School District / 38,713 |
| 549. | 4.8% | Atlantic City School District / 39,672 |
| 550. | 4.7% | Bridgeton City School District / 24,438 |
| 551. | 4.5% | Woodlynne Borough School District / 2,698 |
| 552. | 4.3% | Roselle Borough School District / 20,666 |
| 553. | 4.2% | Garfield City School District / 29,002 |
| 554. | 4.2% | Guttenberg Town School District / 10,478 |
| 555. | 4.1% | Fort Lee Borough School District / 36,235 |
| 556. | 3.8% | Trenton City School District / 83,066 |
| 557. | 3.8% | Fairview Borough School District / 13,419 |
| 558. | 3.7% | Name N/A / 1,716 |
| 559. | 3.1% | Teterboro Borough School District / 64 |
| 560. | 3.0% | Palisades Park Borough School District / 19,037 |
| 561. | 2.8% | Elizabeth City School District / 124,101 |
| 562. | 2.2% | Perth Amboy City School District / 48,343 |
| 563. | 2.2% | Union City School District / 62,629 |
| 564. | 2.0% | Hillside Township School District / 21,229 |
| 565. | 1.8% | West New York Town School District / 46,058 |
| 566. | 1.5% | Camden City School District / 79,263 |
| 567. | 1.5% | Plainfield City School District / 46,358 |
| 568. | 1.5% | Paterson City School District / 145,744 |
| 569. | 1.5% | Newark City School District / 276,555 |
| 570. | 1.3% | Prospect Park Borough School District / 5,601 |
| 571. | 1.3% | Orange City Township School District / 31,165 |
| 572. | 1.2% | Passaic City School District / 66,757 |
| 573. | 1.2% | Lawnside Borough School District / 2,817 |
| 574. | 1.0% | East Orange City School District / 65,785 |
| 575. | 0.7% | Irvington Township School District / 56,613 |
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.
