| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 4.6% | Winfield School District 34 / 4,638 |
| 2. | 4.2% | Sunset Ridge School District 29 / 4,088 |
| 3. | 3.9% | Hinckley-Big Rock Community Unit School District 429 / 5,933 |
| 4. | 3.9% | Community Unit School District 2 / 6,078 |
| 5. | 3.9% | Lovington Community Unit School District 303 / 1,744 |
| 6. | 3.0% | Name N/A / 3,244 |
| 6. | 3.0% | Galatia Community Unit School District 1 / 2,302 |
| 8. | 3.0% | Tamaroa School District 5 / 1,317 |
| 9. | 2.9% | Lebanon Community Unit School District 9 / 5,713 |
| 9. | 2.9% | Oakdale Community Consolidated School District 1 / 813 |
| 11. | 2.9% | Newark Community Consolidated School District 66 / 2,336 |
| 12. | 2.8% | Scales Mound Community Unit School District 211 / 1,621 |
| 13. | 2.7% | Hollis Consolidated School District 328 / 603 |
| 14. | 2.4% | Lick Creek Community Consolidated School District 16 / 1,030 |
| 15. | 2.3% | Grant Community Consolidated School District 110 / 7,532 |
| 16. | 2.3% | Rochester Community Unit School District 3A / 9,666 |
| 17. | 2.1% | Christopher Community Unit School District 99 / 4,877 |
| 18. | 2.1% | Norris City-Omaha-Enfield Community Unit School District 3 / 4,375 |
| 19. | 2.1% | Marshall Community Unit School District 2C / 8,439 |
| 20. | 2.1% | Williamsfield Community Unit School District 210 / 1,882 |
| 21. | 2.0% | Newark Community High School District 18 / 3,368 |
| 22. | 2.0% | Name N/A / 5,623 |
| 23. | 1.9% | Whiteside School District 115 / 11,134 |
| 24. | 1.9% | Winnetka School District 36 / 12,080 |
| 25. | 1.9% | Illinois Valley Central Unit School District 321 / 11,870 |
| 26. | 1.8% | Bond County Community Unit School District 2 / 14,175 |
| 26. | 1.8% | Mazon-Verona-Kinsman Elementary School District 2C / 3,074 |
| 28. | 1.8% | Odell Community Consolidated School District 435 / 1,529 |
| 29. | 1.8% | Sandridge School District 172 / 4,190 |
| 30. | 1.8% | Coulterville Unit School District 1 / 1,614 |
| 31. | 1.8% | Eldorado Community Unit School District 4 / 7,466 |
| 32. | 1.8% | Lexington Community Unit School District 7 / 3,071 |
| 33. | 1.7% | Selmaville Community Consolidated School District 10 / 1,775 |
| 34. | 1.7% | Seneca Community Consolidated School District 170 / 3,370 |
| 34. | 1.7% | Mascoutah Community Unit School District 19 / 15,542 |
| 34. | 1.7% | Belle Valley School District 119 / 8,087 |
| 37. | 1.7% | River Ridge Community Unit School District 210 / 4,043 |
| 38. | 1.6% | Hutsonville Community Unit School District 1 / 2,307 |
| 38. | 1.6% | Saratoga Community Consolidated School District 60C / 5,177 |
| 40. | 1.6% | Auburn Community Unit School District 10 / 6,606 |
| 41. | 1.6% | Giant City Community Consolidated School District 130 / 2,109 |
| 42. | 1.6% | Rondout School District 72 / 1,808 |
| 42. | 1.6% | Signal Hill School District 181 / 3,007 |
| 44. | 1.6% | Litchfield Community Unit School District 12 / 8,584 |
| 45. | 1.6% | Warsaw Community Unit School District 316 / 3,078 |
| 45. | 1.6% | Tri-Point Community Unit School District 6-J / 2,823 |
| 45. | 1.6% | Sandoval Community Unit School District 501 / 2,891 |
| 48. | 1.6% | Seneca Township High School District 160 / 7,399 |
| 49. | 1.5% | Roxana Community Unit School District 1 / 12,019 |
| 50. | 1.5% | Riley Community Consolidated School District 18 / 3,142 |
| 51. | 1.5% | Mount Prospect School District 57 / 19,671 |
| 51. | 1.5% | Stark County Community Unit School District 100 / 4,849 |
| 51. | 1.5% | Glen Ellyn Community Consolidated School District 89 / 21,504 |
| 54. | 1.5% | Marseilles Elementary School District 150 / 4,451 |
| 55. | 1.5% | Deer Park Community Consolidated School District 82 / 749 |
| 55. | 1.5% | Argenta-Oreana Community Unit School District 1 / 4,686 |
| 57. | 1.4% | Du Quoin Community Unit School District 300 / 9,616 |
| 58. | 1.4% | South Central Community Unit School District 401 / 4,294 |
| 59. | 1.4% | Kewanee Community Unit School District 229 / 9,997 |
| 60. | 1.4% | Allen Township Community Consolidated School District 65 / 966 |
| 60. | 1.4% | Le Roy Community Unit School District 2 / 4,573 |
| 60. | 1.4% | North Greene Unit School District 3 / 6,369 |
| 63. | 1.4% | St. Charles Community Unit School District 303 / 64,237 |
| 63. | 1.4% | Nelson Public School District 8 / 319 |
| 65. | 1.4% | Central City School District 133 / 2,210 |
| 66. | 1.4% | Bartonville School District 66 / 2,092 |
| 66. | 1.4% | Ashley Community Consolidated School District 15 / 2,339 |
| 68. | 1.4% | Abingdon Community Unit School District 217 / 4,290 |
| 68. | 1.4% | Miller Township Community Consolidated School District / 2,141 |
| 70. | 1.4% | Flora Community Unit School District 35 / 8,389 |
| 70. | 1.4% | Farmington Central Community Unit School District 265 / 7,794 |
| 70. | 1.4% | Grass Lake School District 36 / 2,737 |
| 73. | 1.3% | Virden Community Unit School District 4 / 4,927 |
| 73. | 1.3% | Dongola School Unit District 66 / 1,814 |
| 75. | 1.3% | Anna Community Consolidated School District 37 / 7,252 |
| 75. | 1.3% | Frankfort Community Consolidated School District 157C / 16,507 |
| 77. | 1.3% | Anna Jonesboro Community High School District 81 / 11,442 |
| 78. | 1.3% | Illini Bluffs Community Unit School District 327 / 5,468 |
| 79. | 1.3% | New Trier Township High School District 203 / 59,667 |
| 79. | 1.3% | Pawnee Community Unit School District 11 / 2,995 |
| 79. | 1.3% | Harrisburg Community Unit School District 3 / 13,347 |
| 82. | 1.3% | Fulton County Community Unit School District 3 / 3,662 |
| 82. | 1.3% | Fisher Community Unit School District 1 / 3,063 |
| 82. | 1.3% | Prairie Grove Community School District 46 / 7,861 |
| 82. | 1.3% | Libertyville School District 70 / 19,984 |
| 86. | 1.3% | Nauvoo-Colusa Community Unit School District 325 / 1,948 |
| 87. | 1.3% | Dupo Community Unit School District 196 / 7,252 |
| 87. | 1.3% | Catlin Community Unit School District 5 / 2,744 |
| 87. | 1.3% | Spoon River Valley Community Unit School District 4 / 2,273 |
| 90. | 1.3% | Washington School District 52 / 7,293 |
| 91. | 1.2% | Kinnikinnick Community Consolidated School District 131 / 12,043 |
| 92. | 1.2% | Edwards County Community Unit School District 1 / 5,564 |
| 92. | 1.2% | Canton Union School District 66 / 17,414 |
| 92. | 1.2% | Paris-Union School District 95 / 8,648 |
| 92. | 1.2% | Manteno Community Unit School District 5 / 11,567 |
| 96. | 1.2% | Edwardsville Community Unit School District 7 / 49,060 |
| 97. | 1.2% | Shawnee Community Unit School District 84 / 3,132 |
| 98. | 1.2% | Oak Grove School District 68 / 7,275 |
| 98. | 1.2% | Rossville-Alvin Community Unit School District 7 / 2,465 |
| 100. | 1.2% | Morris Community High School District 101 / 18,602 |
| 100. | 1.2% | Odin Community High School District 700 / 1,757 |
| 102. | 1.2% | Edinburg Community Unit School District 4 / 2,164 |
| 103. | 1.2% | Lake Forest School District 67 / 20,797 |
| 104. | 1.2% | Leepertown Community Consolidated School District 175 / 280 |
| 104. | 1.2% | Odin School District 122 / 1,785 |
| 104. | 1.2% | Atwood-Hammond Community Unit School District 39 / 2,401 |
| 104. | 1.2% | Carrollton Community Unit School District 1 / 3,899 |
| 108. | 1.2% | Lake Forest Community High School District 115 / 29,962 |
| 108. | 1.2% | Bismarck-Henning Consolidated Unit School District / 4,139 |
| 110. | 1.1% | Geneva Community Unit School District 304 / 27,729 |
| 111. | 1.1% | Gardner Community Consolidated School District 72C / 1,681 |
| 112. | 1.1% | Minooka Community Consolidated School District 201 / 16,323 |
| 112. | 1.1% | Porta Community Unit School District 202 / 6,925 |
| 112. | 1.1% | Waltham Community Consolidated School District 185 / 2,393 |
| 112. | 1.1% | South Beloit Community Unit School District 320 / 5,529 |
| 116. | 1.1% | Southeastern Community Unit School District 337 / 3,096 |
| 116. | 1.1% | Hardin County Community Unit School District 1 / 4,470 |
| 116. | 1.1% | Cumberland Community Unit School District 77 / 6,233 |
| 116. | 1.1% | Limestone Walters Community Consolidated School District 316 / 1,585 |
| 120. | 1.1% | West Lincoln-Broadwell Elementary School District 92 / 5,094 |
| 121. | 1.1% | Belvidere Consolidated Unit School District 100 / 42,743 |
| 122. | 1.1% | Olympia Community Unit School District 16 / 12,530 |
| 123. | 1.1% | Bloomington School District 87 / 43,115 |
| 123. | 1.1% | Community Unit School District 16 / 4,974 |
| 123. | 1.1% | Nashville Community High School District 99 / 8,953 |
| 126. | 1.1% | Bluford Community Consolidated School District 114 / 3,118 |
| 126. | 1.1% | Tri-Valley Community Unit School District 3 / 4,331 |
| 128. | 1.1% | Springfield School District 186 / 116,026 |
| 129. | 1.0% | Winnebago Community Unit School District 323 / 9,072 |
| 130. | 1.0% | Morris School District 54 / 12,836 |
| 131. | 1.0% | Geneseo Community Unit School District 228 / 15,997 |
| 131. | 1.0% | Malden Community Consolidated School District 84 / 671 |
| 131. | 1.0% | Oakwood Community Unit School District 76 / 6,133 |
| 131. | 1.0% | Elmwood Community Unit School District 322 / 3,595 |
| 131. | 1.0% | Bushnell-Prairie City Community Unit School District 170 / 4,482 |
| 131. | 1.0% | Wesclin Community Unit School District 3 / 7,196 |
| 137. | 1.0% | Benjamin School District 25 / 6,460 |
| 137. | 1.0% | New Hope Community Consolidated School District 6 / 1,615 |
| 139. | 1.0% | Lake Bluff Elementary School District 65 / 8,927 |
| 140. | 1.0% | Northwestern Community Unit School District 2 / 2,462 |
| 140. | 1.0% | Tri-City Community Unit School District 1 / 3,051 |
| 140. | 1.0% | Wilmette School District 39 / 26,023 |
| 140. | 1.0% | Germantown Hills School District 69 / 6,234 |
| 140. | 1.0% | Webber Township High School District 204 / 3,267 |
| 140. | 1.0% | Carthage Elementary School District 317 / 4,124 |
| 146. | 1.0% | Pikeland Community Unit School District 10 / 8,040 |
| 146. | 1.0% | Pleasant Plains Community Unit School District 8 / 7,424 |
| 146. | 1.0% | Belleville Township High School District 201 / 100,903 |
| 149. | 1.0% | Ewing Northern Community Consolidated District 115 / 1,878 |
| 150. | 1.0% | Libertyville Community High School District 128 / 49,804 |
| 150. | 1.0% | East Alton School District 13 / 7,963 |
| 150. | 1.0% | Fremont School District 79 / 14,383 |
| 150. | 1.0% | St. Joseph Community Consolidated School District 169 / 5,886 |
| 150. | 1.0% | Carterville Community Unit School District 5 / 10,883 |
| 155. | 1.0% | St. Joseph-Ogden Community High School District 305 / 7,990 |
| 155. | 1.0% | Granite City Community Unit School District 9 / 45,755 |
| 155. | 1.0% | Macomb Community Unit School District 185 / 22,802 |
| 155. | 1.0% | Yorkville Community Unit School District 115 / 22,716 |
| 159. | 0.9% | Winchester Community Unit School District 1 / 3,761 |
| 160. | 0.9% | Brimfield Community Unit School District 309 / 3,052 |
| 160. | 0.9% | Sandwich Community Unit School District 430 / 14,659 |
| 160. | 0.9% | Oak Park Elementary School District 97 / 53,103 |
| 160. | 0.9% | Paxton-Buckley-Loda Community Unit School District 10 / 8,567 |
| 164. | 0.9% | Leland Community Unit School District 1 / 1,708 |
| 164. | 0.9% | Herrin Community Unit School District 4 / 15,651 |
| 166. | 0.9% | Tolono Community Unit School District 7 / 8,976 |
| 166. | 0.9% | Massac Unit School District 1 / 13,392 |
| 166. | 0.9% | Palestine Community Unit School District 3 / 2,325 |
| 166. | 0.9% | La Moille Community Unit School District 303 / 2,123 |
| 170. | 0.9% | New Holland-Middletown Elementary School District 88 / 1,368 |
| 170. | 0.9% | Kankakee School District 111 / 32,737 |
| 170. | 0.9% | Riverview Consolidated Community School District 2 / 2,603 |
| 170. | 0.9% | Midland Community Unit School District 7 / 5,363 |
| 174. | 0.9% | Scott-Morgan Consolidated Unit School District 2 / 1,501 |
| 174. | 0.9% | High Mount School District 116 / 4,545 |
| 174. | 0.9% | Salem School District 111 / 8,738 |
| 174. | 0.9% | Donovan Community Unit School District 3 / 2,476 |
| 174. | 0.9% | Collinsville Community Unit School District 10 / 45,867 |
| 179. | 0.9% | Galesburg Community Unit School District 205 / 34,412 |
| 179. | 0.9% | Henry-Senachwine Consolidated Unit School District 5 / 3,905 |
| 181. | 0.9% | Centralia School District 135 / 13,934 |
| 181. | 0.9% | Grand Ridge Community Consolidated School District 95 / 2,454 |
| 181. | 0.9% | West Prairie Community Unit School District 103 / 4,736 |
| 181. | 0.9% | Aurora West Unit School District 129 / 78,322 |
| 181. | 0.9% | Neponset Community Consolidated District 307 / 874 |
| 186. | 0.9% | Glenview Community Consolidated School District 34 / 39,907 |
| 186. | 0.9% | Elverado Community Unit School District 196 / 2,824 |
| 186. | 0.9% | Neoga Community Unit School District 3 / 4,777 |
| 186. | 0.9% | Rockridge Community Unit School District 300 / 7,388 |
| 186. | 0.9% | Metamora Township High School District 122 / 15,154 |
| 186. | 0.9% | Lostant Community Unit School District 425 / 781 |
| 192. | 0.9% | Central A & M Community Unit School District 21 / 4,923 |
| 192. | 0.9% | Jasper County Community Unit School District 1 / 9,336 |
| 192. | 0.9% | Centralia High School District 200 / 22,033 |
| 192. | 0.9% | Ramsey Community Unit School District 204 / 2,718 |
| 196. | 0.8% | Monticello Community Unit School District 25 / 8,588 |
| 196. | 0.8% | Arlington Heights School District 25 / 48,637 |
| 196. | 0.8% | North Boone Community Unit School District 200 / 9,455 |
| 199. | 0.8% | Irvington County Community Unit School District 11 / 797 |
| 199. | 0.8% | Nettle Creek Community Consolidated School District 24C / 892 |
| 199. | 0.8% | Community High School District 94 / 41,726 |
| 199. | 0.8% | Jonesboro Community Consolidated School District 43 / 3,160 |
| 203. | 0.8% | Danville Community Consolidated School District 118 / 40,017 |
| 203. | 0.8% | Brooklyn Community Unit School District 188 / 399 |
| 203. | 0.8% | Hillsboro Community Unit School District 3 / 12,979 |
| 203. | 0.8% | Salem Community High School District 600 / 14,662 |
| 203. | 0.8% | Coal City Community Unit School District 1 / 10,885 |
| 208. | 0.8% | Marion Community Unit School District 2 / 26,958 |
| 208. | 0.8% | Lincoln Elementary School District 27 / 12,155 |
| 208. | 0.8% | Evanston Township High School District 202 / 84,695 |
| 208. | 0.8% | Evanston Community Consolidated School District 65 / 84,695 |
| 208. | 0.8% | Rockdale School District 84 / 2,338 |
| 208. | 0.8% | Wabash Community Unit School District 348 / 10,990 |
| 208. | 0.8% | Lincoln Community High School District 404 / 21,970 |
| 208. | 0.8% | Riverdale School District 14 / 1,195 |
| 216. | 0.8% | Ball-Chatham Community Unit School District 5 / 24,641 |
| 216. | 0.8% | Westville Community Unit School District 2 / 7,087 |
| 216. | 0.8% | Villa Grove Community Unit School District 302 / 4,171 |
| 216. | 0.8% | Avoca School District 37 / 5,818 |
| 216. | 0.8% | Gurnee School District 56 / 16,011 |
| 216. | 0.8% | Prairieview-Ogden Community Consolidated School District 197 / 2,436 |
| 222. | 0.8% | Oak Park and River Forest District 200 / 64,226 |
| 222. | 0.8% | Hoopeston Area Community Unit School District 11 / 7,556 |
| 224. | 0.8% | Nashville Consolidated Community School District 49 / 5,145 |
| 224. | 0.8% | Pleasant Hill School District 69 / 2,146 |
| 224. | 0.8% | Lisle Community Unit School District 202 / 14,078 |
| 227. | 0.8% | Herscher Community Unit School District 2 / 10,597 |
| 227. | 0.8% | Indian Creek Community Unit District 425 / 4,778 |
| 227. | 0.8% | Lewistown Community Unit School District 97 / 5,262 |
| 227. | 0.8% | McLean County Unit School District 5 / 89,230 |
| 227. | 0.8% | Bureau Valley Community Unit School District 340 / 6,985 |
| 227. | 0.8% | Shiloh Community Unit School District 1 / 3,065 |
| 233. | 0.8% | Antioch Community High School District 117 / 43,663 |
| 233. | 0.8% | Wauconda Community Unit School District 118 / 25,107 |
| 235. | 0.8% | Glen Ellyn School District 41 / 29,260 |
| 235. | 0.8% | Charleston Community Unit School District 1 / 27,796 |
| 235. | 0.8% | Northbrook School District 28 / 13,725 |
| 235. | 0.8% | Crystal Lake Community Consolidated School District 47 / 60,711 |
| 235. | 0.8% | Belleville School District 118 / 35,678 |
| 240. | 0.7% | Naperville Community Unit District 203 / 102,048 |
| 240. | 0.7% | New Athens Community Unit School District 60 / 4,581 |
| 240. | 0.7% | Georgetown-Ridge Farm Consolidated Unit School District 4 / 6,451 |
| 240. | 0.7% | Carrier Mills-Stonefort Community Unit School District / 2,986 |
| 240. | 0.7% | Champaign Community Unit School District 4 / 89,676 |
| 240. | 0.7% | Carbondale Community High School District 165 / 36,740 |
| 240. | 0.7% | Princeton High School District 500 / 12,111 |
| 247. | 0.7% | North Clay Community Unit School District 25 / 3,650 |
| 247. | 0.7% | Triad Community Unit School District 2 / 19,194 |
| 247. | 0.7% | Spring Lake Community Consolidated School District 606 / 778 |
| 247. | 0.7% | Murphysboro Community Unit School District 186 / 14,884 |
| 247. | 0.7% | Morton Community Unit School District 709 / 18,644 |
| 247. | 0.7% | Nippersink School District 2 / 12,268 |
| 247. | 0.7% | Richmond-Burton Community High School District 157 / 12,268 |
| 247. | 0.7% | Princeton Elementary School District 115 / 11,430 |
| 255. | 0.7% | Hononegah Community High School District 207 / 27,443 |
| 255. | 0.7% | Metamora Community Consolidated School District 1 / 6,317 |
| 255. | 0.7% | Zion Elementary School District 6 / 18,093 |
| 255. | 0.7% | Geff Community Consolidated School District 14 / 942 |
| 255. | 0.7% | Willow Grove School District 46 / 2,239 |
| 260. | 0.7% | Decatur School District 61 / 70,831 |
| 260. | 0.7% | Sparta Community Unit School District 140 / 8,750 |
| 260. | 0.7% | Trico Community Unit School District 176 / 6,587 |
| 260. | 0.7% | Mendota Community Consolidated School District 289 / 10,404 |
| 260. | 0.7% | Carbondale Elementary School District 95 / 27,322 |
| 260. | 0.7% | Pleasantdale School District 107 / 8,126 |
| 260. | 0.7% | Staunton Community Unit School District 6 / 7,934 |
| 260. | 0.7% | Antioch Community Consolidated School District 34 / 21,954 |
| 260. | 0.7% | Chaney-Monge School District 88 / 5,813 |
| 260. | 0.7% | Casey-Westfield Community Unit School District 4C / 6,296 |
| 260. | 0.7% | Mendota Township High School District 280 / 10,414 |
| 260. | 0.7% | United Community School District 304 / 6,855 |
| 272. | 0.7% | Western Springs School District 101 / 10,075 |
| 272. | 0.7% | Alton Community Unit School District 11 / 49,395 |
| 272. | 0.7% | Stockton Community Unit School District 206 / 4,174 |
| 272. | 0.7% | Gallatin Community Unit School District 7 / 5,580 |
| 276. | 0.7% | Woodstock Community Unit School District 200 / 36,015 |
| 276. | 0.7% | Emmons School District 33 / 3,610 |
| 276. | 0.7% | Community High School District 155 / 96,663 |
| 276. | 0.7% | Pearl City Community Unit School District 200 / 2,884 |
| 276. | 0.7% | Park Ridge Consolidated Community School District 64 / 39,374 |
| 276. | 0.7% | Unity Point Community Consolidated School District 140 / 5,395 |
| 276. | 0.7% | Johnston City Community Unit School District 1 / 7,967 |
| 276. | 0.7% | West Washington County Community Unit District 10 / 4,077 |
| 276. | 0.7% | Gillespie Community Unit School District 7 / 7,982 |
| 276. | 0.7% | Hinsdale Community Consolidated School District 181 / 26,716 |
| 286. | 0.7% | Princeville Community Unit School District 326 / 4,420 |
| 286. | 0.7% | Grant Park Community Unit School District 6 / 3,539 |
| 286. | 0.7% | Monroe School District 70 / 2,637 |
| 286. | 0.7% | Salt Creek School District 48 / 9,406 |
| 286. | 0.7% | Limestone Community High School District 310 / 21,447 |
| 291. | 0.7% | Shiloh Village School District 85 / 5,353 |
| 291. | 0.7% | Zion-Benton Township High School District 126 / 45,405 |
| 291. | 0.7% | Joppa-Maple Grove Unit District 38 / 1,653 |
| 291. | 0.7% | Batavia Unit School District 101 / 31,942 |
| 291. | 0.7% | Homewood School District 153 / 15,581 |
| 296. | 0.7% | Hartsburg-Emden Community Unit School District 21 / 1,241 |
| 296. | 0.7% | North Wayne Community Unit School District 200 / 3,031 |
| 296. | 0.7% | Amboy Community Unit School District 272 / 5,427 |
| 296. | 0.7% | Northfield Township High School District 225 / 85,342 |
| 296. | 0.7% | Dodds Community Consolidated School District 7 / 1,503 |
| 296. | 0.7% | Earlville Community Unit School District 9 / 2,812 |
| 296. | 0.7% | Dalzell School District 98 / 830 |
| 296. | 0.7% | Community Unit School District 200 / 79,138 |
| 304. | 0.7% | Oregon Community Unit School District 220 / 11,429 |
| 304. | 0.7% | Lake Villa Community Consolidated School District 41 / 22,282 |
| 304. | 0.7% | East Alton-Wood River Community High School District 14 / 15,142 |
| 304. | 0.7% | Heritage Community Unit School District 8 / 2,902 |
| 304. | 0.7% | Egyptian Community Unit School District 5 / 3,674 |
| 309. | 0.6% | Minooka Community High School District 111 / 35,045 |
| 309. | 0.6% | Waverly Community Unit School District 6 / 1,733 |
| 309. | 0.6% | Vandalia Community Unit School District 203 / 9,977 |
| 309. | 0.6% | Gifford Community Consolidated School District 188 / 1,427 |
| 309. | 0.6% | Beach Park Community Consolidated School District 3 / 20,454 |
| 309. | 0.6% | Astoria Community Unit School District 1 / 2,130 |
| 315. | 0.6% | Mattoon Community Unit School District 2 / 22,115 |
| 315. | 0.6% | O'Fallon Community Consolidated School District 90 / 26,098 |
| 315. | 0.6% | Taylorville Community Unit School District 3 / 18,423 |
| 315. | 0.6% | Avon Community Unit School District 176 / 1,914 |
| 315. | 0.6% | Iroquois County Community Unit School District 9 / 7,178 |
| 315. | 0.6% | Marissa Community Unit School District 40 / 3,347 |
| 315. | 0.6% | Fieldcrest Community Unit School District 6 / 7,292 |
| 322. | 0.6% | Maroa-Forsyth Community Unit School District 2 / 6,137 |
| 322. | 0.6% | Mount Vernon School District 80 / 14,390 |
| 322. | 0.6% | Goreville Community Unit School District 1 / 3,419 |
| 322. | 0.6% | Glenbard Township High School District 87 / 161,734 |
| 322. | 0.6% | Community Consolidated School District 204 / 4,080 |
| 322. | 0.6% | Thornton School District 154 / 2,590 |
| 322. | 0.6% | V.I.T. Community Unit School District 2 / 2,274 |
| 322. | 0.6% | Saunemin Community Consolidated School District 438 / 929 |
| 322. | 0.6% | Winthrop Harbor School District 1 / 6,905 |
| 331. | 0.6% | Sycamore Community Unit School District 427 / 20,999 |
| 331. | 0.6% | Clinton Community Unit School District 15 / 11,367 |
| 331. | 0.6% | Evergreen Park Elementary School District 124 / 19,356 |
| 331. | 0.6% | Illini West High School District 307 / 8,563 |
| 331. | 0.6% | Momence Community Unit School District 1 / 7,531 |
| 331. | 0.6% | Rochelle Community Consolidated District 231 / 13,617 |
| 331. | 0.6% | Frankfort Community Unit School District 168 / 11,766 |
| 331. | 0.6% | Orion Community Unit School District 223 / 5,776 |
| 331. | 0.6% | Evergreen Park Community High School District 231 / 19,356 |
| 331. | 0.6% | Opdyke-Belle Rive Community Consolidated School District 5 / 1,860 |
| 331. | 0.6% | A-C Central Community Unit School District 262 / 2,942 |
| 331. | 0.6% | Peoria School District 150 / 106,668 |
| 331. | 0.6% | Villa Park School District 45 / 35,529 |
| 344. | 0.6% | Columbia Community Unit School District 4 / 11,646 |
| 344. | 0.6% | Laraway Community Consolidated School District 70C / 3,367 |
| 344. | 0.6% | Summersville School District 79 / 2,104 |
| 344. | 0.6% | Ottawa Township High School District 140 / 31,749 |
| 344. | 0.6% | Lombard School District 44 / 34,789 |
| 344. | 0.6% | Paris Community Unit School District 4 / 4,339 |
| 344. | 0.6% | Harlem Unit School District 122 / 46,508 |
| 351. | 0.6% | Alden-Hebron School District 19 / 3,069 |
| 351. | 0.6% | Warren Township High School District 121 / 64,294 |
| 351. | 0.6% | Girard Community Unit School District 3 / 4,365 |
| 351. | 0.6% | ROWVA Community Unit School District 208 / 4,130 |
| 355. | 0.6% | River Bend Community Unit District 2 / 6,710 |
| 355. | 0.6% | Bunker Hill Community Unit School District 8 / 4,337 |
| 355. | 0.6% | Benton Consolidated High School District 103 / 12,336 |
| 355. | 0.6% | Hiawatha Community Unit School District 426 / 3,568 |
| 355. | 0.6% | Eastland Community Unit School District 308 / 4,460 |
| 355. | 0.6% | O'Fallon Township High School District 203 / 36,794 |
| 355. | 0.6% | Washington Community High School District 308 / 21,159 |
| 362. | 0.6% | Genoa-Kingston Community Unit School District 424 / 8,651 |
| 362. | 0.6% | Gower School District 62 / 10,468 |
| 362. | 0.6% | Dunlap Community Unit School District 323 / 16,552 |
| 362. | 0.6% | Beecher City Community Unit School District 20 / 2,557 |
| 362. | 0.6% | Mount Pulaski Community Unit District 23 / 3,676 |
| 362. | 0.6% | Steward Elementary School District 220 / 801 |
| 362. | 0.6% | Bourbonnais School District 53 / 23,115 |
| 369. | 0.6% | Bradley-Bourbonnais Consolidated High School District 307 / 37,677 |
| 369. | 0.6% | Bradley School District 61 / 11,682 |
| 369. | 0.6% | Grayslake Consolidated Community School District 46 / 30,783 |
| 369. | 0.6% | Mahomet-Seymour Community Unit School District 3 / 12,626 |
| 369. | 0.6% | Nokomis Community Unit School District 22 / 4,705 |
| 374. | 0.6% | Pinckneyville Community High School District 101 / 11,114 |
| 374. | 0.6% | Pekin Public School District108 / 32,911 |
| 374. | 0.6% | Williamsville Community Unit School District 15 / 6,461 |
| 374. | 0.6% | Tonica Community Consolidated School District 79 / 1,433 |
| 374. | 0.6% | Moline Unit School District 40 / 48,111 |
| 374. | 0.6% | Darien School District 61 / 15,515 |
| 374. | 0.6% | Plano Community Unit School District 88 / 10,371 |
| 374. | 0.6% | Indian Prairie Community Unit School District 204 / 117,177 |
| 374. | 0.6% | Benton Community Consolidated School District 47 / 9,861 |
| 374. | 0.6% | Cobden School Unit District 17 / 3,710 |
| 384. | 0.5% | Glencoe School District 35 / 8,771 |
| 384. | 0.5% | Jamaica Community Unit School District 12 / 2,144 |
| 384. | 0.5% | Urbana School District 116 / 48,785 |
| 384. | 0.5% | DeKalb Community Unit School District 428 / 52,712 |
| 384. | 0.5% | Gibson City-Melvin-Sibley Community Unit School District 5 / 5,819 |
| 384. | 0.5% | Kenilworth School District 38 / 2,887 |
| 390. | 0.5% | Norwood Elementary School District 63 / 4,543 |
| 390. | 0.5% | Gardner-South Wilmington Township High School District / 3,994 |
| 390. | 0.5% | Carlinville Community Unit School District 1 / 9,264 |
| 390. | 0.5% | Lake Zurich Community Unit School District 95 / 33,213 |
| 394. | 0.5% | Prophetstown-Lyndon-Tampico Community Unit School District 3 / 5,966 |
| 394. | 0.5% | Dakota Community Unit School District 201 / 4,354 |
| 394. | 0.5% | Putnam County Community Unit School District 535 / 5,431 |
| 394. | 0.5% | Red Hill Community Unit School District 10 / 7,880 |
| 394. | 0.5% | LaGrange School District 105 / 11,636 |
| 394. | 0.5% | Okaw Valley Community Unit School District 302 / 3,587 |
| 394. | 0.5% | Jacksonville School District 117 / 28,917 |
| 394. | 0.5% | Community Consolidated School District 180 / 6,618 |
| 394. | 0.5% | Iuka Community Consolidated School District 7 / 1,859 |
| 394. | 0.5% | McHenry Community Consolidated School District 15 / 42,838 |
| 394. | 0.5% | Ridgeland School District 122 / 20,640 |
| 405. | 0.5% | Durand Community Unit School District 322 / 4,634 |
| 405. | 0.5% | West Richland Community Unit School District 2 / 2,029 |
| 405. | 0.5% | Name N/A / 1,639 |
| 405. | 0.5% | Robinson Community Unit School District 2 / 11,881 |
| 405. | 0.5% | Central Community Unit School District 301 / 16,974 |
| 405. | 0.5% | Dallas Elementary School District 327 / 2,111 |
| 405. | 0.5% | Lyons Township High School District 204 / 66,137 |
| 405. | 0.5% | Center Cass School District 66 / 11,134 |
| 405. | 0.5% | Streator Township High School District 40 / 18,419 |
| 405. | 0.5% | Rochelle Township High School District 212 / 17,645 |
| 415. | 0.5% | Creve Coeur School District 76 / 5,617 |
| 415. | 0.5% | LaGrange School District 102 / 24,056 |
| 415. | 0.5% | Homewood-Flossmoor Community High School District 233 / 36,480 |
| 415. | 0.5% | Barrington Community Unit School District 220 / 44,741 |
| 415. | 0.5% | Woodland Community Consolidated School District 50 / 49,686 |
| 420. | 0.5% | Cary Community Consolidated School District 26 / 23,250 |
| 420. | 0.5% | Lawrence County Community Unit District 20 / 8,750 |
| 420. | 0.5% | McHenry Community High School District 156 / 45,771 |
| 420. | 0.5% | Albers School District 63 / 1,276 |
| 420. | 0.5% | Heyworth Community Unit School District 4 / 4,649 |
| 420. | 0.5% | Clay City Community Unit District 10 / 2,293 |
| 420. | 0.5% | Sherrard Community Unit School District 200 / 9,235 |
| 427. | 0.5% | West Carroll Community Unit School District 314 / 9,144 |
| 427. | 0.5% | Pekin Community High School District 303 / 44,837 |
| 427. | 0.5% | Highland Community Unit School District 5 / 17,129 |
| 427. | 0.5% | Hinsdale Township High School District 86 / 77,530 |
| 427. | 0.5% | Athens Community Unit School District 213 / 5,585 |
| 427. | 0.5% | Central School District 51 / 6,674 |
| 427. | 0.5% | Streator Elementary School District 44 / 16,813 |
| 434. | 0.5% | Mokena School District 159 / 17,361 |
| 434. | 0.5% | Fox Lake Grade School District 114 / 9,238 |
| 434. | 0.5% | Woodlawn Community Consolidated School District 4 / 2,467 |
| 434. | 0.5% | Oswego Community Unit School District 308 / 55,989 |
| 438. | 0.5% | Mount Vernon Township High School District 201 / 30,897 |
| 438. | 0.5% | Bement Community Unit School District 5 / 2,806 |
| 438. | 0.5% | Township High School District 214 / 245,678 |
| 438. | 0.5% | Morton Grove School District 70 / 8,293 |
| 438. | 0.5% | Armstrong Township High School District 225 / 1,320 |
| 438. | 0.5% | Wethersfield Community Unit School District 230 / 3,683 |
| 438. | 0.5% | Rome Community Consolidated School District 2 / 3,025 |
| 438. | 0.5% | Mundelein Consolidated High School District 120 / 39,864 |
| 438. | 0.5% | Raccoon Consolidated School District 1 / 2,238 |
| 438. | 0.5% | Meridian Community Unit School District 223 / 8,879 |
| 448. | 0.5% | Community High School District 99 / 110,166 |
| 448. | 0.5% | Community Consolidated School District 93 / 34,011 |
| 448. | 0.5% | Riverton Community Unit School District 14 / 8,083 |
| 448. | 0.5% | Grayslake Community High School District 127 / 44,353 |
| 448. | 0.5% | West Northfield School District 31 / 9,246 |
| 448. | 0.5% | Rockton School District 140 / 10,001 |
| 448. | 0.5% | Jersey Community Unit School District 100 / 19,823 |
| 448. | 0.5% | Woodridge School District 68 / 32,922 |
| 448. | 0.5% | Marengo Community High School District 154 / 14,331 |
| 448. | 0.5% | Altamont Community Unit School District 10 / 4,756 |
| 448. | 0.5% | St. George Community Consolidated School District 258 / 2,880 |
| 448. | 0.5% | Lena-Winslow Community Unit School District 202 / 5,026 |
| 460. | 0.4% | Dixon Unit School District 170 / 21,710 |
| 460. | 0.4% | East Peoria Community High School District 309 / 25,502 |
| 460. | 0.4% | Rockford School District 205 / 197,697 |
| 460. | 0.4% | Hazel Crest School District 152-5 / 8,289 |
| 460. | 0.4% | Palos Heights School District 128 / 9,613 |
| 460. | 0.4% | Lincoln Way Community High School District 210 / 99,403 |
| 460. | 0.4% | Aptakisic-Tripp Community Consolidated School District / 18,707 |
| 460. | 0.4% | Palatine Community Consolidated School District 15 / 117,755 |
| 468. | 0.4% | St. Libory Consolidated School District 30 / 741 |
| 468. | 0.4% | Skokie School District 68 / 21,113 |
| 468. | 0.4% | Northbrook/Glenview School District 30 / 10,861 |
| 468. | 0.4% | Millstadt Consolidated Community School District 160 / 8,025 |
| 468. | 0.4% | Name N/A / 4,722,093 |
| 468. | 0.4% | DuPage High School District 88 / 82,390 |
| 474. | 0.4% | Cherry School District 92 / 495 |
| 474. | 0.4% | Wilmington Community Unit School District 209U / 10,990 |
| 474. | 0.4% | East Peoria School District 86 / 18,221 |
| 474. | 0.4% | Oblong Community Unit School District 4 / 3,824 |
| 474. | 0.4% | Wolf Branch School District 113 / 7,337 |
| 474. | 0.4% | Meridian Community Unit School District 15 / 6,199 |
| 474. | 0.4% | Polo Community Unit School District 222 / 4,315 |
| 474. | 0.4% | Galva Community Unit School District 224 / 3,689 |
| 482. | 0.4% | Hawthorn Community Consolidated School District 73 / 28,155 |
| 482. | 0.4% | Hillside School District 93 / 5,305 |
| 482. | 0.4% | School District U-46 / 220,636 |
| 482. | 0.4% | Community Consolidated School District 59 / 63,662 |
| 482. | 0.4% | Rantoul City School District 137 / 12,368 |
| 482. | 0.4% | Township High School District 211 / 234,105 |
| 488. | 0.4% | Warren Community Unit School District 205 / 2,575 |
| 488. | 0.4% | Payson Community Unit School District 1 / 3,568 |
| 488. | 0.4% | Downers Grove Grade School District 58 / 53,011 |
| 488. | 0.4% | Quincy School District 172 / 50,733 |
| 488. | 0.4% | Vienna School District 55 / 5,205 |
| 488. | 0.4% | Sullivan Community Unit School District 300 / 7,263 |
| 488. | 0.4% | Freeport School District 145 / 29,832 |
| 488. | 0.4% | Rantoul Township High School District 193 / 17,182 |
| 496. | 0.4% | Plainfield School District 202 / 100,005 |
| 496. | 0.4% | Pleasant Valley School District 62 / 4,246 |
| 496. | 0.4% | Pana Community Unit School District 8 / 9,356 |
| 496. | 0.4% | Rock Island School District 41 / 44,527 |
| 496. | 0.4% | Flossmoor School District 161 / 20,487 |
| 496. | 0.4% | Shelbyville Community Unit School District 4 / 7,583 |
| 496. | 0.4% | Carmi-White County Community Unit School District 5 / 9,454 |
| 496. | 0.4% | Camp Point Community Unit School District 3 / 5,012 |
| 504. | 0.4% | Griggsville-Perry Community Unit School District 4 / 2,306 |
| 504. | 0.4% | Itasca School District 10 / 8,500 |
| 504. | 0.4% | Robein School District 85 / 2,044 |
| 504. | 0.4% | East Moline School District 37 / 26,810 |
| 504. | 0.4% | North Chicago School District 187 / 31,499 |
| 504. | 0.4% | Peoria Heights Community Unit School District 325 / 7,095 |
| 504. | 0.4% | Chester-East Lincoln Community Csd 61 / 3,353 |
| 504. | 0.4% | Valley View Community Unit School District 365U / 92,443 |
| 504. | 0.4% | Pontiac Township High School District 90 / 15,907 |
| 504. | 0.4% | Cambridge Community Unit School District 227 / 3,021 |
| 514. | 0.4% | Thomasboro Community Consolidated School District 130 / 2,214 |
| 514. | 0.4% | Effingham Community Unit School District 40 / 20,775 |
| 514. | 0.4% | Schaumburg Community Consolidated School District 54 / 132,880 |
| 514. | 0.4% | Reed Custer Community Unit School District 255U / 10,368 |
| 514. | 0.4% | Richland School District 88A / 10,594 |
| 519. | 0.4% | Sesser-Valier Community Unit School District 196 / 4,391 |
| 519. | 0.4% | Bethel School District 82 / 1,103 |
| 519. | 0.4% | Southwestern Community Unit School District 9 / 9,899 |
| 519. | 0.4% | Thompsonville Community Unit School District 174 / 2,047 |
| 519. | 0.4% | Ottawa Elementary School District 141 / 20,411 |
| 519. | 0.4% | Eureka Community Unit District 140 / 9,590 |
| 519. | 0.4% | Woodlawn Community High School District 205 / 3,079 |
| 526. | 0.4% | Knoxville Community Unit School District 202 / 5,883 |
| 526. | 0.4% | Pontiac-William Holliday School District 105 / 7,533 |
| 526. | 0.4% | Monmouth-Roseville Community Unit School District 238 / 10,619 |
| 526. | 0.4% | Des Plaines Community Consolidated School District 62 / 49,282 |
| 526. | 0.4% | Kings Consolidated School District 144 / 1,029 |
| 526. | 0.4% | Oakland Community Unit School District 5 / 2,129 |
| 532. | 0.3% | Joliet Township High School District 204 / 141,507 |
| 532. | 0.3% | Virginia Community Unit School District 64 / 2,417 |
| 532. | 0.3% | Tuscola Community Unit School District 301 / 5,937 |
| 532. | 0.3% | Ashton Community Unit School District 275 / 4,641 |
| 532. | 0.3% | Joliet Public School District 86 / 98,824 |
| 532. | 0.3% | Waltonville Community Unit School District 1 / 2,140 |
| 538. | 0.3% | South Holland School District 150 / 9,685 |
| 538. | 0.3% | Maine Township High School District 207 / 139,587 |
| 538. | 0.3% | Riverdale Community Unit School District 100 / 6,733 |
| 538. | 0.3% | Oak Lawn Community High School District 229 / 37,054 |
| 542. | 0.3% | Alwood Community Unit School District 225 / 2,212 |
| 542. | 0.3% | United Township High School District 30 / 39,811 |
| 542. | 0.3% | Calhoun Community Unit School District 40 / 3,302 |
| 542. | 0.3% | Silvis School District 34 / 5,245 |
| 542. | 0.3% | Maercker School District 60 / 17,459 |
| 542. | 0.3% | Butler School District 53 / 5,478 |
| 542. | 0.3% | De Soto Consolidated School District 86 / 1,914 |
| 542. | 0.3% | Fairfield Community High School District 225 / 10,364 |
| 550. | 0.3% | Bethalto Consolidated Unit School District 8 / 15,745 |
| 550. | 0.3% | Steger School District 194 / 14,119 |
| 550. | 0.3% | Lemont-Bromberek Combined School District 113A / 23,543 |
| 550. | 0.3% | Lemont Township High School District 210 / 23,740 |
| 550. | 0.3% | Community Unit School District 300 / 113,766 |
| 550. | 0.3% | Troy Community Consolidated School District 30C / 35,403 |
| 550. | 0.3% | Grant Community High School District 124 / 31,246 |
| 550. | 0.3% | Adlai E. Stevenson High School District 125 / 63,081 |
| 550. | 0.3% | Valmeyer Community Unit School District 3 / 2,642 |
| 550. | 0.3% | Kaneland Community Unit School District 302 / 23,164 |
| 560. | 0.3% | Lincolnshire-Prairieview School District 103 / 13,705 |
| 560. | 0.3% | Waterloo Community Unit School District 5 / 17,648 |
| 560. | 0.3% | Deerfield School District 109 / 22,670 |
| 560. | 0.3% | Wood River-Hartford Elementary School District 15 / 7,179 |
| 560. | 0.3% | Gavin School District 37 / 6,456 |
| 560. | 0.3% | Forest Park School District 91 / 15,112 |
| 560. | 0.3% | Forest Ridge School District 142 / 16,287 |
| 560. | 0.3% | Hoover-Schrum Memorial School District 157 / 7,416 |
| 560. | 0.3% | North Pekin-Marquette Heights School District 102 / 5,117 |
| 560. | 0.3% | Prairie Central Community Unit School District 8 / 11,148 |
| 570. | 0.3% | Ludlow Community Consolidated School District 142 / 1,201 |
| 570. | 0.3% | Johnsburg Community Unit School District 12 / 13,505 |
| 570. | 0.3% | Mount Zion Community Unit School District 3 / 11,674 |
| 570. | 0.3% | Peotone Community Unit School District 207U / 10,965 |
| 570. | 0.3% | Channahon School District 17 / 13,609 |
| 570. | 0.3% | Stewardson-Strasburg Community Unit District 5A / 2,968 |
| 576. | 0.3% | Oak Lawn-Hometown School District 123 / 32,880 |
| 576. | 0.3% | East Dubuque Community Unit School District 119 / 4,145 |
| 576. | 0.3% | Blue Ridge Community Unit School District 18 / 5,565 |
| 576. | 0.3% | Chester Community Unit School District 139 / 10,256 |
| 576. | 0.3% | Crab Orchard Community Unit School District 3 / 2,228 |
| 581. | 0.3% | East Richland Community Unit School District 1 / 13,566 |
| 581. | 0.3% | Milford Township High School District 233 / 3,807 |
| 581. | 0.3% | Midwest Central Community Unit School District 191 / 6,867 |
| 581. | 0.3% | Milford Community Consolidated School District 280 / 3,807 |
| 581. | 0.3% | Hall High School District 502 / 9,021 |
| 581. | 0.3% | Brookwood School District 167 / 9,977 |
| 581. | 0.3% | Park Forest School District 163 / 16,095 |
| 588. | 0.3% | Annawan Community Unit School District 226 / 2,249 |
| 588. | 0.3% | Mundelein Elementary School District 75 / 16,973 |
| 588. | 0.3% | Montmorency Community Consolidated School District 145 / 2,498 |
| 588. | 0.3% | Huntley Consolidated School District 158 / 36,341 |
| 588. | 0.3% | LaSalle-Peru Township High School District 120 / 28,535 |
| 588. | 0.3% | Millburn Community Consolidated School District 24 / 8,866 |
| 588. | 0.3% | Roselle School District 12 / 7,990 |
| 588. | 0.3% | South Pekin School District 137 / 1,835 |
| 596. | 0.3% | Will County School District 92 / 15,428 |
| 596. | 0.3% | Western Community Unit School District 12 / 4,041 |
| 596. | 0.3% | Armstrong-Ellis Consolidated School District 61 / 960 |
| 596. | 0.3% | Community Consolidated School District 146 / 28,647 |
| 596. | 0.3% | Red Bud Community Unit School District 132 / 7,844 |
| 596. | 0.3% | Oglesby Elementary School District 125 / 4,408 |
| 596. | 0.3% | Rock Falls Township High School District 301 / 14,692 |
| 596. | 0.3% | Burnham School District 154-5 / 1,265 |
| 596. | 0.3% | Vienna High School District 133 / 10,240 |
| 596. | 0.3% | Morrisonville Community Unit School District 1 / 1,834 |
| 606. | 0.2% | Cahokia Community Unit School District 187 / 20,194 |
| 606. | 0.2% | Sunnybrook School District 171 / 10,267 |
| 606. | 0.2% | Northbrook Elementary School District 27 / 11,603 |
| 606. | 0.2% | Erie Community Unit School District 1 / 4,091 |
| 606. | 0.2% | Skokie-Fairview School District 72 / 6,662 |
| 606. | 0.2% | Elmwood Park Community Unit School District 401 / 23,988 |
| 606. | 0.2% | Tremont Community Unit School District 702 / 5,196 |
| 606. | 0.2% | Medinah School District 11 / 6,787 |
| 606. | 0.2% | Riverside School District 96 / 12,776 |
| 606. | 0.2% | New Lenox School District 122 / 35,731 |
| 606. | 0.2% | Queen Bee School District 16 / 17,298 |
| 606. | 0.2% | Marquardt School District 15 / 24,872 |
| 618. | 0.2% | Waukegan Community Unit School District 60 / 86,907 |
| 618. | 0.2% | Chicago Public School District 299 / 2,824,076 |
| 618. | 0.2% | Beecher Community Unit School District 200U / 5,431 |
| 618. | 0.2% | Rankin Community School District 98 / 3,816 |
| 618. | 0.2% | Harmony Emge School District 175 / 9,592 |
| 618. | 0.2% | South Fork School District 14 / 2,447 |
| 624. | 0.2% | Bloom Township High School District 206 / 65,205 |
| 624. | 0.2% | Oak Grove School District 68 / 3,595 |
| 624. | 0.2% | Bremen Community High School District 228 / 94,111 |
| 624. | 0.2% | Greenview Community Unit School District 200 / 1,563 |
| 624. | 0.2% | Pope County Community Unit School District 1 / 4,071 |
| 624. | 0.2% | Diamond Lake School District 76 / 8,500 |
| 624. | 0.2% | Schuyler-Industry Community Unit School District 5 / 7,309 |
| 624. | 0.2% | Prospect Heights School District 23 / 17,863 |
| 624. | 0.2% | Roanoke-Benson Community Unit School District 60 / 3,387 |
| 624. | 0.2% | Havana Community Unit School District 126 / 6,651 |
| 634. | 0.2% | Lockport Township High School District 205 / 75,447 |
| 634. | 0.2% | Byron Community Unit School District 226 / 7,851 |
| 634. | 0.2% | Keeneyville School District 20 / 14,672 |
| 634. | 0.2% | Orland School District 135 / 53,482 |
| 634. | 0.2% | Pontiac Community Consolidated School District 429 / 13,213 |
| 634. | 0.2% | El Paso-Gridley Community Unit School District 11 / 6,903 |
| 634. | 0.2% | Lake Park Community High School District 108 / 51,742 |
| 634. | 0.2% | Jasper Community Consolidated School District 17 / 1,556 |
| 634. | 0.2% | Kildeer Countryside Community Consolidated School District 96 / 24,304 |
| 643. | 0.2% | Addison School District 4 / 37,455 |
| 643. | 0.2% | Hoyleton Consolidated School District 29 / 1,190 |
| 643. | 0.2% | Rock Falls Elementary School District 13 / 8,033 |
| 643. | 0.2% | Edgar County Community Unit District 6 / 2,316 |
| 643. | 0.2% | West Chicago School District 33 / 30,628 |
| 643. | 0.2% | Cass School District 63 / 8,572 |
| 649. | 0.2% | Round Lake Community Unit School District 116 / 39,118 |
| 649. | 0.2% | Township High School District 113 / 61,582 |
| 649. | 0.2% | Arbor Park School District 145 / 13,038 |
| 649. | 0.2% | Niles Township Community High School District 219 / 94,511 |
| 649. | 0.2% | Midlothian School District 143 / 13,979 |
| 649. | 0.2% | Spring Valley Community Consolidated School District 99 / 5,829 |
| 649. | 0.2% | Lee Center Community Unit School District 271 / 1,778 |
| 649. | 0.2% | Berkeley School District 87 / 20,746 |
| 657. | 0.2% | West Central Community Unit School District 235 / 6,413 |
| 657. | 0.2% | Riverside Brookfield Township School District 208 / 27,463 |
| 657. | 0.2% | Brookfield School District 95 / 10,669 |
| 657. | 0.2% | Summit Hill School District 161 / 21,129 |
| 657. | 0.2% | Illini Central Community Unit School District 189 / 5,040 |
| 657. | 0.2% | Hampton School District 29 / 2,070 |
| 663. | 0.2% | Warrensburg-Latham Community Unit District 11 / 7,270 |
| 663. | 0.2% | Deer Creek-Mackinaw Community Unit School District 701 / 5,346 |
| 663. | 0.2% | Crete-Monee Community Unit School District 201-U / 36,316 |
| 663. | 0.2% | Manhattan School District 114 / 9,731 |
| 663. | 0.2% | Mannheim School District 83 / 21,032 |
| 663. | 0.2% | Lincolnwood School District 74 / 11,782 |
| 663. | 0.2% | Elmhurst School District 205 / 48,567 |
| 663. | 0.2% | Community High School District 218 / 117,651 |
| 663. | 0.2% | Mount Olive Community Unit School District 5 / 3,375 |
| 663. | 0.2% | Patoka Community Unit School District 100 / 1,473 |
| 673. | 0.2% | Forrestville Valley Community Unit School District 221 / 5,626 |
| 673. | 0.2% | DeLand-Weldon Community Unit School District 57 / 1,427 |
| 673. | 0.2% | Mulberry Grove Community Unit School District 1 / 2,614 |
| 673. | 0.2% | Taft School District 90 / 4,902 |
| 673. | 0.2% | Morrison Community Unit School District 6 / 6,947 |
| 673. | 0.2% | Thornton Fractional Township High School District 215 / 58,072 |
| 673. | 0.2% | Berwyn South School District 100 / 29,048 |
| 673. | 0.2% | Breese School District 12 / 6,783 |
| 673. | 0.2% | Lincoln Elementary School District 156 / 7,763 |
| 682. | 0.2% | Marengo-Union Elementary Consolidated District 165 / 11,189 |
| 682. | 0.2% | LaGrange Highlands School District 106 / 8,547 |
| 682. | 0.2% | Norridge School District 80 / 12,435 |
| 682. | 0.2% | Braceville School District 75 / 1,462 |
| 682. | 0.2% | Arcola Consolidated Unit School District 306 / 4,111 |
| 682. | 0.2% | Burbank School District 111 / 28,473 |
| 682. | 0.2% | Dieterich Community Unit School District 30 / 2,262 |
| 682. | 0.2% | Steeleville Community Unit School District 138 / 3,263 |
| 682. | 0.2% | Zeigler-Royalton Community Unit School District 188 / 3,939 |
| 691. | 0.1% | Century Community Unit School District 100 / 2,898 |
| 691. | 0.1% | Wood Dale School District 7 / 10,582 |
| 691. | 0.1% | North Shore School District 112 / 36,884 |
| 691. | 0.1% | Reavis Township High School District 220 / 30,936 |
| 691. | 0.1% | Ladd Community Consolidated School District 94 / 1,604 |
| 696. | 0.1% | Lansing School District 158 / 21,795 |
| 696. | 0.1% | Martinsville Community Unit School District 3C / 2,372 |
| 696. | 0.1% | Carbon Cliff-Barstow School District 36 / 1,925 |
| 696. | 0.1% | Rich Township High School District 227 / 64,486 |
| 696. | 0.1% | Atwood Heights School District 125 / 7,231 |
| 696. | 0.1% | Meredosia-Chambersburg Community Unit School District 11 / 1,773 |
| 696. | 0.1% | Fenton Community High School District 100 / 31,126 |
| 696. | 0.1% | New Simpson Hill Consolidated District 32 / 3,367 |
| 696. | 0.1% | Schiller Park School District 81 / 12,479 |
| 696. | 0.1% | Homer Community Consolidated School District 33C / 26,946 |
| 696. | 0.1% | Cook County School District 130 / 29,069 |
| 707. | 0.1% | Cerro Gordo Community Unit School District 100 / 2,810 |
| 707. | 0.1% | Orangeville Community Unit School District 203 / 2,751 |
| 707. | 0.1% | Fairfield Public School District 112 / 6,251 |
| 707. | 0.1% | Peru Elementary School District 124 / 9,971 |
| 707. | 0.1% | Beardstown Community Unit School District 15 / 7,573 |
| 707. | 0.1% | Delavan Community Unit School District 703 / 2,845 |
| 707. | 0.1% | Iroquois West Community Unit School District 10 / 6,370 |
| 707. | 0.1% | Bensenville School District 2 / 20,544 |
| 715. | 0.1% | Posen-Robbins Elementary School District 143-5 / 11,587 |
| 715. | 0.1% | Consolidated High School District 230 / 155,984 |
| 715. | 0.1% | River Trails School District 26 / 15,778 |
| 715. | 0.1% | Central Community High School District 71 / 15,528 |
| 715. | 0.1% | Cicero School District 99 / 80,550 |
| 715. | 0.1% | Kirby School District 140 / 40,025 |
| 715. | 0.1% | Leyden Community High School District 212 / 61,917 |
| 715. | 0.1% | Lyons School District 103 / 21,047 |
| 715. | 0.1% | Aurora East Unit School District 131 / 71,917 |
| 715. | 0.1% | LaSalle Elementary School District 122 / 9,180 |
| 725. | 0.1% | Big Hollow School District 38 / 10,415 |
| 725. | 0.1% | Proviso Township High School District 209 / 123,355 |
| 725. | 0.1% | Ridgewood Community High School District 234 / 18,237 |
| 725. | 0.1% | J. Sterling Morton High School District 201 / 147,548 |
| 725. | 0.1% | Elementary School District 159 / 17,247 |
| 725. | 0.1% | River Forest School District 90 / 11,123 |
| 725. | 0.1% | Sterling Community Unit District 5 / 21,731 |
| 725. | 0.1% | Central Community Unit School District 4 / 6,581 |
| 733. | 0.1% | Westchester School District 92-5 / 14,871 |
| 733. | 0.1% | Matteson Elementary School District 162 / 23,227 |
| 733. | 0.1% | Chicago Ridge School District 127-5 / 12,301 |
| 733. | 0.1% | Teutopolis Community Unit School District 50 / 5,035 |
| 733. | 0.1% | Wheeling Community Consolidated School District 21 / 64,762 |
| 738. | 0.1% | Prairie-Hills Elementary School District 144 / 21,545 |
| 738. | 0.1% | Country Club Hills School District 160 / 12,568 |
| 738. | 0.1% | Harvard Community Unit School District 50 / 14,503 |
| 738. | 0.1% | Skokie School District 69 / 17,977 |
| 738. | 0.1% | Elwood Community Consolidated School District 203 / 4,124 |
| 738. | 0.1% | Ridgeview Community Unit School District 19 / 4,044 |
| 744. | 0.1% | Worth School District 127 / 10,356 |
| 744. | 0.1% | Thornton Township High School District 205 / 118,770 |
| 744. | 0.1% | Franklin Park School District 84 / 10,543 |
| 744. | 0.1% | Alsip-Hazelgreen-Oaklawn School District 126 / 15,865 |
| 748. | 0.1% | Windsor Community Unit School District 1 / 2,553 |
| 748. | 0.1% | Sangamon Valley Community Unit School District 9 / 3,854 |
| 750. | 0.1% | Indian Springs School District 109 / 23,303 |
| 750. | 0.1% | Bloomingdale School District 13 / 13,793 |
| 750. | 0.1% | Palos Community Consolidated School District 118 / 23,341 |
| 753. | 0.0% | Berwyn North School District 98 / 21,005 |
| 753. | 0.0% | Freeburg Community High School District 77 / 12,110 |
| 755. | 0.0% | Argo Community High School District 217 / 38,541 |
| 755. | 0.0% | Maywood-Melrose Park-Broadview School District 89 / 42,778 |
| 757. | 0.0% | East Maine School District 63 / 45,166 |
| 757. | 0.0% | Carlyle Community Unit School District 1 / 10,137 |
| 757. | 0.0% | Freeburg Community Consolidated School District 70 / 7,249 |
| 757. | 0.0% | Dwight Township High School District 230 / 6,462 |
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.
