| Rank | 1 Room House Percentage ▼ | School District / Population |
| 1. | 8.4% | Cairo Community Unit School District 1 / 3,096 |
| 2. | 6.0% | Carbondale Elementary School District 95 / 27,628 |
| 3. | 5.3% | Richland School District 88A / 10,559 |
| 4. | 5.3% | Chicago Public School District 299 / 2,703,477 |
| 5. | 5.3% | Rosemont Elementary School District 78 / 2,112 |
| 6. | 5.0% | Carbondale Community High School District 165 / 37,283 |
| 7. | 4.8% | Calhoun Community Unit School District 40 / 3,248 |
| 8. | 4.7% | Niles Elementary School District 71 / 7,765 |
| 9. | 4.0% | Forest Park School District 91 / 14,282 |
| 10. | 3.9% | Oak Park Elementary School District 97 / 51,426 |
| 11. | 3.7% | Arbor Park School District 145 / 12,424 |
| 12. | 3.5% | Unity Point Community Consolidated School District 140 / 5,451 |
| 13. | 3.5% | Westmont Community Unit School District 201 / 12,639 |
| 14. | 3.5% | Berkeley School District 87 / 21,730 |
| 15. | 3.5% | Cissna Park Community Unit School District 6 / 1,869 |
| 15. | 3.5% | New Simpson Hill Consolidated District 32 / 3,182 |
| 17. | 3.5% | Evanston Community Consolidated School District 65 / 81,872 |
| 17. | 3.5% | Evanston Township High School District 202 / 81,872 |
| 19. | 3.4% | Calumet Public School District 132 / 11,474 |
| 20. | 3.4% | Maywood-Melrose Park-Broadview School District 89 / 44,278 |
| 21. | 3.3% | Oak Park and River Forest District 200 / 62,592 |
| 22. | 3.2% | Lisbon Community Consolidated School District 90 / 804 |
| 23. | 3.2% | Wolf Branch School District 113 / 7,782 |
| 24. | 3.0% | Posen-Robbins Elementary School District 143-5 / 11,656 |
| 25. | 3.0% | Thomasboro Community Consolidated School District 130 / 2,464 |
| 26. | 3.0% | Gibson City-Melvin-Sibley Community Unit School District 5 / 6,136 |
| 27. | 3.0% | Pope County Community Unit School District 1 / 4,426 |
| 28. | 2.9% | Anna Community Consolidated School District 37 / 7,124 |
| 29. | 2.9% | Salt Creek School District 48 / 9,136 |
| 30. | 2.9% | Macomb Community Unit School District 185 / 22,685 |
| 31. | 2.8% | Rhodes School District 84-5 / 4,867 |
| 32. | 2.8% | Fox Lake Grade School District 114 / 8,933 |
| 33. | 2.7% | Rockdale School District 84 / 2,132 |
| 34. | 2.7% | Irvington County Community Unit School District 11 / 787 |
| 35. | 2.7% | Ashton Community Unit School District 275 / 4,306 |
| 36. | 2.7% | Champaign Community Unit School District 4 / 91,656 |
| 37. | 2.6% | Gavin School District 37 / 7,405 |
| 37. | 2.6% | Peoria Heights Community Unit School District 325 / 7,512 |
| 39. | 2.5% | Medinah School District 11 / 6,821 |
| 39. | 2.5% | Lexington Community Unit School District 7 / 2,883 |
| 41. | 2.5% | South Holland School District 151 / 13,733 |
| 42. | 2.5% | Union Ridge School District 86 / 5,557 |
| 42. | 2.5% | Schiller Park School District 81 / 12,817 |
| 44. | 2.4% | Woodridge School District 68 / 32,135 |
| 45. | 2.4% | East Moline School District 37 / 26,788 |
| 46. | 2.4% | Pleasant Hill Community Unit School District 3 / 2,195 |
| 47. | 2.4% | Proviso Township High School District 209 / 126,153 |
| 48. | 2.3% | Shawnee Community Unit School District 84 / 3,248 |
| 49. | 2.3% | Wallace Community Consolidated School District 195 / 2,572 |
| 50. | 2.3% | Egyptian Community Unit School District 5 / 3,902 |
| 51. | 2.3% | Elmwood Park Community Unit School District 401 / 24,710 |
| 51. | 2.3% | Urbana School District 116 / 50,537 |
| 53. | 2.2% | Ottawa Elementary School District 141 / 20,036 |
| 54. | 2.2% | Century Community Unit School District 100 / 2,852 |
| 55. | 2.2% | DeKalb Community Unit School District 428 / 51,421 |
| 56. | 2.2% | Riverton Community Unit School District 14 / 8,128 |
| 57. | 2.2% | Rochelle Community Consolidated District 231 / 13,686 |
| 58. | 2.2% | Beardstown Community Unit School District 15 / 7,865 |
| 59. | 2.1% | Mannheim School District 83 / 21,696 |
| 60. | 2.1% | Spring Valley Community Consolidated School District 99 / 6,029 |
| 61. | 2.1% | Beach Park Community Consolidated School District 3 / 20,497 |
| 62. | 2.1% | Bloomington School District 87 / 44,792 |
| 63. | 2.0% | Golf Elementary School District 67 / 6,716 |
| 64. | 2.0% | Cicero School District 99 / 83,332 |
| 64. | 2.0% | Central Community Unit School District 301 / 17,009 |
| 66. | 2.0% | LaGrange School District 102 / 25,405 |
| 67. | 2.0% | United Community School District 304 / 6,514 |
| 68. | 2.0% | South Fork School District 14 / 2,583 |
| 69. | 2.0% | Waukegan Community Unit School District 60 / 84,428 |
| 69. | 2.0% | Silvis School District 34 / 5,347 |
| 71. | 1.9% | Anna Jonesboro Community High School District 81 / 11,336 |
| 72. | 1.9% | Wabash Community Unit School District 348 / 11,051 |
| 73. | 1.9% | United Township High School District 30 / 40,413 |
| 73. | 1.9% | Galesburg Community Unit School District 205 / 35,351 |
| 75. | 1.9% | Morris School District 54 / 12,237 |
| 75. | 1.9% | Springfield School District 186 / 113,448 |
| 77. | 1.9% | Aurora East Unit School District 131 / 77,437 |
| 77. | 1.9% | Leyden Community High School District 212 / 63,851 |
| 79. | 1.9% | Pleasantdale School District 107 / 8,200 |
| 80. | 1.9% | Lebanon Community Unit School District 9 / 5,411 |
| 81. | 1.9% | Pekin Public School District108 / 33,703 |
| 82. | 1.9% | Virginia Community Unit School District 64 / 2,389 |
| 82. | 1.9% | Cook County School District 130 / 29,252 |
| 84. | 1.8% | Annawan Community Unit School District 226 / 2,260 |
| 85. | 1.8% | Kankakee School District 111 / 33,072 |
| 86. | 1.8% | Harmony Emge School District 175 / 9,740 |
| 86. | 1.8% | Pennoyer School District 79 / 5,428 |
| 88. | 1.7% | Rochelle Township High School District 212 / 17,552 |
| 89. | 1.7% | East Peoria School District 86 / 18,734 |
| 90. | 1.7% | Indian Springs School District 109 / 23,923 |
| 91. | 1.7% | Aurora West Unit School District 129 / 77,301 |
| 91. | 1.7% | Morris Community High School District 101 / 18,658 |
| 91. | 1.7% | Brown County Community Unit School District 1 / 6,896 |
| 91. | 1.7% | Prairie-Hills Elementary School District 144 / 22,015 |
| 95. | 1.7% | Mercer County School District 404 / 8,819 |
| 95. | 1.7% | Rock Island School District 41 / 45,098 |
| 97. | 1.7% | Mount Vernon School District 80 / 14,075 |
| 97. | 1.7% | Pikeland Community Unit School District 10 / 8,435 |
| 99. | 1.7% | Glencoe School District 35 / 8,430 |
| 100. | 1.6% | Community Unit School District 4 / 4,160 |
| 100. | 1.6% | Batavia Unit School District 101 / 31,902 |
| 100. | 1.6% | Ottawa Township High School District 140 / 31,903 |
| 103. | 1.6% | Steger School District 194 / 13,309 |
| 103. | 1.6% | Lena-Winslow Community Unit School District 202 / 4,898 |
| 105. | 1.6% | Meridian Community Unit School District 101 / 3,511 |
| 106. | 1.6% | Grant Community Consolidated School District 110 / 7,659 |
| 107. | 1.6% | Cambridge Community Unit School District 227 / 3,100 |
| 107. | 1.6% | Johnston City Community Unit School District 1 / 8,074 |
| 109. | 1.6% | Hoover-Schrum Memorial School District 157 / 7,962 |
| 110. | 1.6% | Zion-Benton Township High School District 126 / 44,495 |
| 110. | 1.6% | Rantoul City School District 137 / 12,268 |
| 110. | 1.6% | Iroquois County Community Unit School District 9 / 7,236 |
| 110. | 1.6% | Rantoul Township High School District 193 / 17,357 |
| 114. | 1.6% | West Central Community Unit School District 235 / 6,536 |
| 115. | 1.5% | Camp Point Community Unit School District 3 / 4,857 |
| 115. | 1.5% | Calumet City School District 155 / 11,022 |
| 117. | 1.5% | East St. Louis School District 189 / 39,557 |
| 118. | 1.5% | Warrensburg-Latham Community Unit District 11 / 6,374 |
| 118. | 1.5% | Carmi-White County Community Unit School District 5 / 9,473 |
| 120. | 1.5% | Community Consolidated School District 59 / 65,516 |
| 120. | 1.5% | Argo Community High School District 217 / 39,269 |
| 122. | 1.5% | Itasca School District 10 / 8,983 |
| 122. | 1.5% | Pekin Community High School District 303 / 45,753 |
| 124. | 1.5% | Indian Creek Community Unit District 425 / 4,934 |
| 124. | 1.5% | Komarek School District 94 / 5,099 |
| 126. | 1.5% | Joliet Public School District 86 / 86,698 |
| 127. | 1.5% | J. Sterling Morton High School District 201 / 157,034 |
| 127. | 1.5% | Grant Community High School District 124 / 35,277 |
| 129. | 1.5% | Jacksonville School District 117 / 29,109 |
| 129. | 1.5% | Crete-Monee Community Unit School District 201-U / 33,941 |
| 129. | 1.5% | Panhandle Community Unit School District 2 / 3,394 |
| 129. | 1.5% | Saratoga Community Consolidated School District 60C / 5,754 |
| 133. | 1.4% | Vienna High School District 133 / 9,730 |
| 133. | 1.4% | Evergreen Park Community High School District 231 / 19,815 |
| 133. | 1.4% | Evergreen Park Elementary School District 124 / 19,815 |
| 136. | 1.4% | Hall High School District 502 / 9,213 |
| 137. | 1.4% | Galatia Community Unit School District 1 / 2,306 |
| 138. | 1.4% | Community High School District 99 / 108,862 |
| 139. | 1.4% | Gower School District 62 / 9,559 |
| 140. | 1.4% | Moline Unit School District 40 / 48,527 |
| 141. | 1.3% | Massac Unit School District 1 / 13,835 |
| 141. | 1.3% | Tonica Community Consolidated School District 79 / 1,438 |
| 141. | 1.3% | Schuyler-Industry Community Unit School District 5 / 7,986 |
| 144. | 1.3% | Summit School District 104 / 12,164 |
| 145. | 1.3% | Taft School District 90 / 3,636 |
| 145. | 1.3% | McLean County Unit School District 5 / 91,069 |
| 147. | 1.3% | Belleville School District 118 / 37,204 |
| 147. | 1.3% | Joliet Township High School District 204 / 129,911 |
| 147. | 1.3% | Sandoval Community Unit School District 501 / 2,820 |
| 150. | 1.3% | Marshall Community Unit School District 2C / 8,346 |
| 150. | 1.3% | Casey-Westfield Community Unit School District 4C / 6,066 |
| 150. | 1.3% | Oregon Community Unit School District 220 / 10,898 |
| 153. | 1.3% | Centralia School District 135 / 13,771 |
| 154. | 1.3% | Downers Grove Grade School District 58 / 52,817 |
| 155. | 1.3% | Lombard School District 44 / 35,368 |
| 156. | 1.3% | Quincy School District 172 / 50,932 |
| 156. | 1.3% | Raccoon Consolidated School District 1 / 2,138 |
| 156. | 1.3% | East Peoria Community High School District 309 / 26,308 |
| 159. | 1.3% | Paris Community Unit School District 4 / 4,467 |
| 160. | 1.2% | Sterling Community Unit District 5 / 21,736 |
| 160. | 1.2% | Carterville Community Unit School District 5 / 10,959 |
| 160. | 1.2% | East Maine School District 63 / 45,409 |
| 163. | 1.2% | Chicago Heights School District 170 / 24,842 |
| 163. | 1.2% | Griggsville-Perry Community Unit School District 4 / 2,266 |
| 163. | 1.2% | Streator Elementary School District 44 / 17,288 |
| 166. | 1.2% | LaSalle Elementary School District 122 / 9,271 |
| 166. | 1.2% | Akin Community Consolidated School District 91 / 745 |
| 166. | 1.2% | Zion Elementary School District 6 / 17,360 |
| 166. | 1.2% | Ashley Community Consolidated School District 15 / 2,211 |
| 166. | 1.2% | West Harvey-Dixmoor Public School District 147 / 11,533 |
| 171. | 1.2% | Dunlap Community Unit School District 323 / 19,107 |
| 171. | 1.2% | Kewanee Community Unit School District 229 / 10,284 |
| 173. | 1.2% | West Carroll Community Unit School District 314 / 8,728 |
| 173. | 1.2% | Community High School District 218 / 120,793 |
| 173. | 1.2% | Atwood Heights School District 125 / 7,014 |
| 173. | 1.2% | Berwyn North School District 98 / 23,819 |
| 177. | 1.2% | Jasper Community Consolidated School District 17 / 1,555 |
| 178. | 1.2% | Lincoln Elementary School District 156 / 7,139 |
| 179. | 1.2% | Riverdale Community Unit School District 100 / 6,535 |
| 179. | 1.2% | Dolton School District 149 / 27,594 |
| 181. | 1.2% | Dongola School Unit District 66 / 1,849 |
| 182. | 1.1% | Knoxville Community Unit School District 202 / 5,998 |
| 182. | 1.1% | Skokie School District 68 / 19,918 |
| 184. | 1.1% | De Soto Consolidated School District 86 / 1,860 |
| 184. | 1.1% | Hardin County Community Unit School District 1 / 4,402 |
| 186. | 1.1% | Streator Township High School District 40 / 18,882 |
| 187. | 1.1% | Du Quoin Community Unit School District 300 / 9,484 |
| 187. | 1.1% | Trico Community Unit School District 176 / 6,891 |
| 189. | 1.1% | Mattoon Community Unit School District 2 / 22,709 |
| 190. | 1.1% | Charleston Community Unit School District 1 / 28,363 |
| 190. | 1.1% | Kenilworth School District 38 / 2,970 |
| 190. | 1.1% | Centralia High School District 200 / 21,690 |
| 193. | 1.1% | River Grove School District 85-5 / 7,764 |
| 193. | 1.1% | Robinson Community Unit School District 2 / 12,392 |
| 193. | 1.1% | Altamont Community Unit School District 10 / 4,969 |
| 196. | 1.1% | Lockport Township High School District 205 / 74,398 |
| 196. | 1.1% | Benton Community Consolidated School District 47 / 10,066 |
| 198. | 1.1% | Lowpoint-Washburn Community Unit School District 21 / 2,286 |
| 198. | 1.1% | Troy Community Consolidated School District 30C / 36,322 |
| 200. | 1.0% | Burnham School District 154-5 / 1,539 |
| 200. | 1.0% | Belleville Township High School District 201 / 107,228 |
| 202. | 1.0% | Christopher Community Unit School District 99 / 4,658 |
| 203. | 1.0% | Meridian Community Unit School District 15 / 6,318 |
| 203. | 1.0% | Thornton Township High School District 205 / 116,702 |
| 203. | 1.0% | South Holland School District 150 / 10,074 |
| 203. | 1.0% | Glen Ellyn Community Consolidated School District 89 / 21,433 |
| 203. | 1.0% | Avoca School District 37 / 5,979 |
| 208. | 1.0% | Decatur School District 61 / 72,603 |
| 208. | 1.0% | Waterloo Community Unit School District 5 / 16,904 |
| 208. | 1.0% | Bremen Community High School District 228 / 93,470 |
| 208. | 1.0% | Pontiac Community Consolidated School District 429 / 13,690 |
| 208. | 1.0% | Mount Vernon Township High School District 201 / 30,123 |
| 213. | 1.0% | Canton Union School District 66 / 18,029 |
| 213. | 1.0% | Niles Township Community High School District 219 / 94,155 |
| 215. | 1.0% | Freeport School District 145 / 30,696 |
| 215. | 1.0% | Lyons Township High School District 204 / 68,205 |
| 217. | 1.0% | Pleasant Plains Community Unit School District 8 / 7,778 |
| 217. | 1.0% | Avon Community Unit School District 176 / 1,854 |
| 219. | 1.0% | Schaumburg Community Consolidated School District 54 / 132,253 |
| 219. | 1.0% | Belle Valley School District 119 / 8,611 |
| 221. | 1.0% | Hawthorn Community Consolidated School District 73 / 29,745 |
| 221. | 1.0% | Field Community Consolidated School District 3 / 2,619 |
| 221. | 1.0% | Sycamore Community Unit School District 427 / 21,820 |
| 224. | 1.0% | Woodstock Community Unit School District 200 / 37,718 |
| 224. | 1.0% | Astoria Community Unit School District 1 / 2,002 |
| 226. | 0.9% | Name N/A / 4,750,332 |
| 226. | 0.9% | Goreville Community Unit School District 1 / 2,984 |
| 226. | 0.9% | Sullivan Community Unit School District 300 / 7,021 |
| 226. | 0.9% | Bloom Township High School District 206 / 64,197 |
| 230. | 0.9% | Ina Community Consolidated School District 8 / 3,199 |
| 230. | 0.9% | Cumberland Community Unit School District 77 / 6,611 |
| 232. | 0.9% | Rockridge Community Unit School District 300 / 7,181 |
| 232. | 0.9% | Benton Consolidated High School District 103 / 12,686 |
| 234. | 0.9% | V.I.T. Community Unit School District 2 / 2,518 |
| 234. | 0.9% | Community Unit School District 200 / 78,853 |
| 234. | 0.9% | Winthrop Harbor School District 1 / 6,638 |
| 234. | 0.9% | Monmouth-Roseville Community Unit School District 238 / 11,091 |
| 238. | 0.9% | Lick Creek Community Consolidated School District 16 / 1,080 |
| 239. | 0.9% | Giant City Community Consolidated School District 130 / 2,344 |
| 239. | 0.9% | Bushnell-Prairie City Community Unit School District 170 / 4,507 |
| 241. | 0.9% | Gurnee School District 56 / 17,153 |
| 241. | 0.9% | Putnam County Community Unit School District 535 / 5,397 |
| 243. | 0.9% | Chadwick-Milledgeville Community Unit School District 399 / 3,513 |
| 243. | 0.9% | Manteno Community Unit School District 5 / 12,119 |
| 243. | 0.9% | Riverside School District 96 / 13,570 |
| 246. | 0.9% | Washington School District 52 / 7,873 |
| 246. | 0.9% | Cass School District 63 / 8,043 |
| 246. | 0.9% | Lincolnshire-Prairieview School District 103 / 13,374 |
| 246. | 0.9% | Elmhurst School District 205 / 46,303 |
| 250. | 0.9% | Taylorville Community Unit School District 3 / 18,790 |
| 251. | 0.8% | Pontiac Township High School District 90 / 16,352 |
| 252. | 0.8% | Hillside School District 93 / 5,047 |
| 252. | 0.8% | Atwood-Hammond Community Unit School District 39 / 2,215 |
| 254. | 0.8% | New Trier Township High School District 203 / 59,234 |
| 254. | 0.8% | Valmeyer Community Unit School District 3 / 2,938 |
| 254. | 0.8% | Grayslake Consolidated Community School District 46 / 29,684 |
| 257. | 0.8% | Maine Township High School District 207 / 143,019 |
| 257. | 0.8% | General George Patton School District 133 / 2,352 |
| 257. | 0.8% | Dixon Unit School District 170 / 22,961 |
| 257. | 0.8% | Illinois Valley Central Unit School District 321 / 13,582 |
| 261. | 0.8% | Jersey Community Unit School District 100 / 20,346 |
| 261. | 0.8% | Danville Community Consolidated School District 118 / 40,476 |
| 261. | 0.8% | Emmons School District 33 / 3,470 |
| 261. | 0.8% | Berwyn South School District 100 / 31,765 |
| 265. | 0.8% | School District U-46 / 227,274 |
| 265. | 0.8% | Newark Community High School District 18 / 3,320 |
| 267. | 0.8% | Lyons School District 103 / 22,451 |
| 267. | 0.8% | New Athens Community Unit School District 60 / 4,371 |
| 267. | 0.8% | Skokie School District 69 / 17,748 |
| 267. | 0.8% | Herscher Community Unit School District 2 / 10,616 |
| 271. | 0.8% | Dallas Elementary School District 327 / 2,152 |
| 271. | 0.8% | Greenfield Community Unit School District 10 / 2,913 |
| 271. | 0.8% | Scales Mound Community Unit School District 211 / 1,972 |
| 271. | 0.8% | Valley View Community Unit School District 365U / 91,548 |
| 275. | 0.8% | Township High School District 211 / 232,811 |
| 275. | 0.8% | Township High School District 214 / 250,143 |
| 275. | 0.8% | Peoria School District 150 / 101,590 |
| 275. | 0.8% | Stark County Community Unit School District 100 / 4,935 |
| 279. | 0.7% | Country Club Hills School District 160 / 12,204 |
| 279. | 0.7% | Martinsville Community Unit School District 3C / 2,224 |
| 279. | 0.7% | Ridgewood Community High School District 234 / 19,068 |
| 279. | 0.7% | Fox River Grove Consolidated School District 3 / 4,336 |
| 279. | 0.7% | West Washington County Community Unit District 10 / 4,147 |
| 279. | 0.7% | Lisle Community Unit School District 202 / 13,379 |
| 285. | 0.7% | Flora Community Unit School District 35 / 8,589 |
| 286. | 0.7% | Cypress School District 64 / 901 |
| 286. | 0.7% | West Chicago School District 33 / 30,575 |
| 286. | 0.7% | River Trails School District 26 / 15,926 |
| 289. | 0.7% | Southeastern Community Unit School District 337 / 3,010 |
| 290. | 0.7% | Rock Falls Elementary School District 13 / 7,965 |
| 290. | 0.7% | St. Anne Consolidated Community School District 256 / 2,769 |
| 290. | 0.7% | Cobden School Unit District 17 / 3,705 |
| 293. | 0.7% | Sparta Community Unit School District 140 / 8,772 |
| 293. | 0.7% | Franklin Park School District 84 / 10,955 |
| 293. | 0.7% | Western Community Unit School District 12 / 3,772 |
| 296. | 0.7% | Princeton Elementary School District 115 / 11,668 |
| 296. | 0.7% | Winnetka School District 36 / 11,688 |
| 298. | 0.7% | Nippersink School District 2 / 11,412 |
| 298. | 0.7% | Riverside Brookfield Township School District 208 / 28,767 |
| 298. | 0.7% | St. Rose School District 14-15 / 1,205 |
| 298. | 0.7% | Richmond-Burton Community High School District 157 / 11,412 |
| 302. | 0.7% | Alton Community Unit School District 11 / 49,040 |
| 302. | 0.7% | Crystal Lake Community Consolidated School District 47 / 61,959 |
| 302. | 0.7% | Rockford School District 205 / 194,568 |
| 302. | 0.7% | Wilmette School District 39 / 26,126 |
| 302. | 0.7% | Shelbyville Community Unit School District 4 / 7,669 |
| 307. | 0.7% | Lake Park Community High School District 108 / 50,556 |
| 307. | 0.7% | McHenry Community Consolidated School District 15 / 42,090 |
| 309. | 0.6% | Eldorado Community Unit School District 4 / 7,364 |
| 309. | 0.6% | Mascoutah Community Unit School District 19 / 16,984 |
| 309. | 0.6% | St. Anne Community High School District 302 / 4,606 |
| 309. | 0.6% | Princeton High School District 500 / 12,550 |
| 309. | 0.6% | Murphysboro Community Unit School District 186 / 15,300 |
| 314. | 0.6% | Rankin Community School District 98 / 3,709 |
| 314. | 0.6% | Bensenville School District 2 / 19,485 |
| 316. | 0.6% | North Shore School District 112 / 35,908 |
| 316. | 0.6% | Glenbard Township High School District 87 / 164,804 |
| 316. | 0.6% | Vienna School District 55 / 5,124 |
| 316. | 0.6% | Community Consolidated School District 204 / 4,182 |
| 320. | 0.6% | Maercker School District 60 / 18,075 |
| 320. | 0.6% | McHenry Community High School District 156 / 45,205 |
| 320. | 0.6% | Marion Community Unit School District 2 / 27,375 |
| 323. | 0.6% | Effingham Community Unit School District 40 / 20,506 |
| 323. | 0.6% | DuPage High School District 88 / 81,353 |
| 323. | 0.6% | Park Ridge Consolidated Community School District 64 / 40,199 |
| 326. | 0.6% | Milford Township High School District 233 / 3,802 |
| 326. | 0.6% | Naperville Community Unit District 203 / 94,500 |
| 326. | 0.6% | Auburn Community Unit School District 10 / 6,921 |
| 326. | 0.6% | Milford Community Consolidated School District 280 / 3,802 |
| 330. | 0.6% | Pembroke Consolidated Community School District 259 / 1,837 |
| 331. | 0.6% | Hartsburg-Emden Community Unit School District 21 / 1,178 |
| 331. | 0.6% | Round Lake Community Unit School District 116 / 35,961 |
| 331. | 0.6% | Hinsdale Township High School District 86 / 74,746 |
| 331. | 0.6% | Hamilton Community Consolidated School District 328 / 3,967 |
| 331. | 0.6% | Clinton Community Unit School District 15 / 12,193 |
| 331. | 0.6% | Norris City-Omaha-Enfield Community Unit School District 3 / 4,437 |
| 331. | 0.6% | Thornton Fractional Township High School District 215 / 59,426 |
| 338. | 0.6% | Wheeling Community Consolidated School District 21 / 65,346 |
| 338. | 0.6% | Oak Lawn-Hometown School District 123 / 34,784 |
| 338. | 0.6% | Gallatin Community Unit School District 7 / 5,582 |
| 341. | 0.5% | Willow Springs School District 108 / 3,358 |
| 341. | 0.5% | Princeville Community Unit School District 326 / 4,530 |
| 341. | 0.5% | Grayslake Community High School District 127 / 43,357 |
| 344. | 0.5% | Collinsville Community Unit School District 10 / 47,733 |
| 344. | 0.5% | Matteson Elementary School District 162 / 24,435 |
| 344. | 0.5% | North Palos School District 117 / 27,944 |
| 347. | 0.5% | Granite City Community Unit School District 9 / 44,580 |
| 347. | 0.5% | LaSalle-Peru Township High School District 120 / 29,191 |
| 347. | 0.5% | Olympia Community Unit School District 16 / 11,910 |
| 347. | 0.5% | Carbon Cliff-Barstow School District 36 / 1,915 |
| 347. | 0.5% | Community High School District 94 / 40,762 |
| 347. | 0.5% | Oak Lawn Community High School District 229 / 38,679 |
| 347. | 0.5% | Durand Community Unit School District 322 / 3,924 |
| 347. | 0.5% | Palatine Community Consolidated School District 15 / 117,475 |
| 355. | 0.5% | Harvey School District 152 / 16,264 |
| 355. | 0.5% | Bartonville School District 66 / 2,112 |
| 357. | 0.5% | Le Roy Community Unit School District 2 / 4,413 |
| 357. | 0.5% | Burbank School District 111 / 29,604 |
| 357. | 0.5% | Pinckneyville School District 50 / 5,823 |
| 357. | 0.5% | Tuscola Community Unit School District 301 / 5,749 |
| 361. | 0.5% | Des Plaines Community Consolidated School District 62 / 51,568 |
| 361. | 0.5% | Staunton Community Unit School District 6 / 8,355 |
| 361. | 0.5% | La Harpe Community School District 347 / 2,318 |
| 361. | 0.5% | Cerro Gordo Community Unit School District 100 / 2,775 |
| 365. | 0.5% | Meredosia-Chambersburg Community Unit School District 11 / 1,660 |
| 365. | 0.5% | Salem School District 111 / 8,760 |
| 365. | 0.5% | Sherrard Community Unit School District 200 / 9,197 |
| 365. | 0.5% | Eureka Community Unit District 140 / 9,638 |
| 365. | 0.5% | St. Charles Community Unit School District 303 / 66,890 |
| 365. | 0.5% | Lewistown Community Unit School District 97 / 5,092 |
| 365. | 0.5% | Edwardsville Community Unit School District 7 / 50,001 |
| 372. | 0.5% | Glen Ellyn School District 41 / 29,865 |
| 372. | 0.5% | Geff Community Consolidated School District 14 / 975 |
| 372. | 0.5% | Marissa Community Unit School District 40 / 3,246 |
| 372. | 0.5% | Rock Falls Township High School District 301 / 14,610 |
| 372. | 0.5% | Wilmington Community Unit School District 209U / 9,820 |
| 372. | 0.5% | Harlem Unit School District 122 / 44,885 |
| 372. | 0.5% | Bethalto Consolidated Unit School District 8 / 16,147 |
| 372. | 0.5% | Community High School District 155 / 95,975 |
| 380. | 0.5% | Harrisburg Community Unit School District 3 / 12,869 |
| 380. | 0.5% | Coal City Community Unit School District 1 / 11,258 |
| 380. | 0.5% | Pinckneyville Community High School District 101 / 11,240 |
| 380. | 0.5% | Georgetown-Ridge Farm Consolidated Unit School District 4 / 6,831 |
| 380. | 0.5% | East Coloma School District 12 / 2,491 |
| 380. | 0.5% | North Chicago School District 187 / 31,655 |
| 380. | 0.5% | Reavis Township High School District 220 / 32,530 |
| 387. | 0.5% | Mazon-Verona-Kinsman Elementary School District 2C / 2,782 |
| 388. | 0.4% | Frankfort Community Consolidated School District 157C / 16,911 |
| 388. | 0.4% | Glenview Community Consolidated School District 34 / 39,322 |
| 388. | 0.4% | Mokena School District 159 / 17,461 |
| 388. | 0.4% | Hinsdale Community Consolidated School District 181 / 25,590 |
| 392. | 0.4% | Iroquois West Community Unit School District 10 / 5,709 |
| 393. | 0.4% | East Alton School District 13 / 7,815 |
| 393. | 0.4% | Sesser-Valier Community Unit School District 196 / 4,306 |
| 393. | 0.4% | Fenton Community High School District 100 / 29,893 |
| 393. | 0.4% | Aptakisic-Tripp Community Consolidated School District / 18,334 |
| 397. | 0.4% | Ladd Community Consolidated School District 94 / 1,583 |
| 397. | 0.4% | South Beloit Community Unit School District 320 / 6,562 |
| 397. | 0.4% | Marengo-Union Elementary Consolidated District 165 / 10,480 |
| 400. | 0.4% | Highland Community Unit School District 5 / 17,882 |
| 400. | 0.4% | Lawrence County Community Unit District 20 / 8,771 |
| 400. | 0.4% | Mundelein Consolidated High School District 120 / 41,133 |
| 400. | 0.4% | Bradford Community Unit School District 1 / 1,752 |
| 404. | 0.4% | River Bend Community Unit District 2 / 6,730 |
| 404. | 0.4% | Flanagan-Cornell District 74 / 1,704 |
| 404. | 0.4% | Antioch Community Consolidated School District 34 / 22,199 |
| 404. | 0.4% | Momence Community Unit School District 1 / 7,289 |
| 404. | 0.4% | Township High School District 113 / 58,968 |
| 409. | 0.4% | Libertyville Community High School District 128 / 50,156 |
| 409. | 0.4% | Geneva Community Unit School District 304 / 28,498 |
| 409. | 0.4% | Neoga Community Unit School District 3 / 4,907 |
| 412. | 0.4% | Prospect Heights School District 23 / 18,120 |
| 412. | 0.4% | Flossmoor School District 161 / 22,229 |
| 414. | 0.4% | Frankfort Community Unit School District 168 / 12,002 |
| 414. | 0.4% | Marquardt School District 15 / 26,435 |
| 414. | 0.4% | Paxton-Buckley-Loda Community Unit School District 10 / 8,694 |
| 414. | 0.4% | Herrin Community Unit School District 4 / 16,062 |
| 418. | 0.4% | Park Forest School District 163 / 15,864 |
| 418. | 0.4% | Red Bud Community Unit School District 132 / 7,620 |
| 418. | 0.4% | Dolton School District 148 / 23,169 |
| 418. | 0.4% | Mount Zion Community Unit School District 3 / 11,951 |
| 418. | 0.4% | Carlyle Community Unit School District 1 / 10,418 |
| 423. | 0.3% | Girard Community Unit School District 3 / 4,184 |
| 423. | 0.3% | Fairfield Community High School District 225 / 10,396 |
| 423. | 0.3% | Nashville Community High School District 99 / 9,097 |
| 423. | 0.3% | Delavan Community Unit School District 703 / 2,604 |
| 423. | 0.3% | New Lenox School District 122 / 38,008 |
| 428. | 0.3% | Antioch Community High School District 117 / 43,455 |
| 428. | 0.3% | Geneseo Community Unit School District 228 / 15,508 |
| 428. | 0.3% | Adlai E. Stevenson High School District 125 / 61,457 |
| 428. | 0.3% | Lansing School District 158 / 22,671 |
| 432. | 0.3% | Porta Community Unit School District 202 / 6,840 |
| 432. | 0.3% | Nokomis Community Unit School District 22 / 4,731 |
| 432. | 0.3% | Lincoln Way Community High School District 210 / 103,065 |
| 432. | 0.3% | Red Hill Community Unit School District 10 / 8,110 |
| 432. | 0.3% | Illini West High School District 307 / 8,749 |
| 437. | 0.3% | Northbrook/Glenview School District 30 / 10,790 |
| 437. | 0.3% | Columbia Community Unit School District 4 / 12,218 |
| 437. | 0.3% | Arlington Heights School District 25 / 49,788 |
| 437. | 0.3% | Wauconda Community Unit School District 118 / 26,822 |
| 441. | 0.3% | Marengo Community High School District 154 / 13,969 |
| 441. | 0.3% | Okaw Valley Community Unit School District 302 / 3,771 |
| 441. | 0.3% | Sandwich Community Unit School District 430 / 14,462 |
| 441. | 0.3% | Hampton School District 29 / 2,194 |
| 441. | 0.3% | Washington Community High School District 308 / 22,678 |
| 446. | 0.3% | Byron Community Unit School District 226 / 7,580 |
| 446. | 0.3% | Dwight Common School District 232 / 6,243 |
| 446. | 0.3% | Monticello Community Unit School District 25 / 8,871 |
| 449. | 0.3% | Illini Bluffs Community Unit School District 327 / 5,538 |
| 449. | 0.3% | Warren Township High School District 121 / 67,701 |
| 449. | 0.3% | Dwight Township High School District 230 / 6,561 |
| 449. | 0.3% | Rich Township High School District 227 / 67,082 |
| 449. | 0.3% | Hillsboro Community Unit School District 3 / 13,260 |
| 449. | 0.3% | Fremont School District 79 / 17,415 |
| 449. | 0.3% | Salem Community High School District 600 / 15,146 |
| 449. | 0.3% | Paris-Union School District 95 / 8,539 |
| 457. | 0.3% | Community Unit School District 300 / 107,834 |
| 457. | 0.3% | Pana Community Unit School District 8 / 9,699 |
| 457. | 0.3% | Addison School District 4 / 37,158 |
| 460. | 0.3% | Ridgeland School District 122 / 21,095 |
| 460. | 0.3% | Edwards County Community Unit School District 1 / 5,705 |
| 462. | 0.3% | East Alton-Wood River Community High School District 14 / 14,121 |
| 462. | 0.3% | Roxana Community Unit School District 1 / 12,394 |
| 464. | 0.2% | Northfield Township High School District 225 / 84,738 |
| 464. | 0.2% | Mount Prospect School District 57 / 19,645 |
| 464. | 0.2% | Barrington Community Unit School District 220 / 44,855 |
| 467. | 0.2% | Brookwood School District 167 / 10,312 |
| 467. | 0.2% | Plainfield School District 202 / 112,788 |
| 467. | 0.2% | North Clay Community Unit School District 25 / 3,610 |
| 467. | 0.2% | Lincoln Elementary School District 27 / 12,934 |
| 471. | 0.2% | Skokie School District 73-5 / 10,048 |
| 471. | 0.2% | Carlinville Community Unit School District 1 / 9,101 |
| 471. | 0.2% | Fairfield Public School District 112 / 6,177 |
| 471. | 0.2% | Homewood-Flossmoor Community High School District 233 / 38,387 |
| 471. | 0.2% | Huntley Consolidated School District 158 / 39,083 |
| 476. | 0.2% | Summit Hill School District 161 / 22,534 |
| 476. | 0.2% | Wesclin Community Unit School District 3 / 7,908 |
| 476. | 0.2% | Community Consolidated School District 168 / 10,243 |
| 476. | 0.2% | Harvard Community Unit School District 50 / 13,421 |
| 480. | 0.2% | Farmington Central Community Unit School District 265 / 8,099 |
| 480. | 0.2% | Chester Community Unit School District 139 / 11,196 |
| 480. | 0.2% | Villa Park School District 45 / 35,059 |
| 480. | 0.2% | Fulton County Community Unit School District 3 / 3,495 |
| 480. | 0.2% | Zeigler-Royalton Community Unit School District 188 / 4,101 |
| 480. | 0.2% | Orland School District 135 / 53,527 |
| 486. | 0.2% | Kinnikinnick Community Consolidated School District 131 / 13,496 |
| 486. | 0.2% | Consolidated High School District 230 / 152,081 |
| 486. | 0.2% | Oakwood Community Unit School District 76 / 6,182 |
| 489. | 0.2% | O'Fallon Community Consolidated School District 90 / 26,811 |
| 489. | 0.2% | Seneca Township High School District 160 / 7,361 |
| 489. | 0.2% | Peru Elementary School District 124 / 10,434 |
| 489. | 0.2% | Vandalia Community Unit School District 203 / 10,591 |
| 493. | 0.2% | Alsip-Hazelgreen-Oaklawn School District 126 / 17,235 |
| 493. | 0.2% | Community Consolidated School District 93 / 34,289 |
| 495. | 0.2% | Belvidere Consolidated Unit School District 100 / 44,786 |
| 495. | 0.2% | Homewood School District 153 / 15,669 |
| 495. | 0.2% | Gillespie Community Unit School District 7 / 7,990 |
| 495. | 0.2% | Lincoln Community High School District 404 / 22,908 |
| 499. | 0.2% | Indian Prairie Community Unit School District 204 / 125,546 |
| 500. | 0.1% | Worth School District 127 / 11,083 |
| 500. | 0.1% | Lake Villa Community Consolidated School District 41 / 22,475 |
| 500. | 0.1% | Palos Community Consolidated School District 118 / 22,984 |
| 500. | 0.1% | Warren Community Unit School District 205 / 2,669 |
| 500. | 0.1% | Bellwood School District 88 / 23,181 |
| 505. | 0.1% | Illini Central Community Unit School District 189 / 5,118 |
| 505. | 0.1% | Midlothian School District 143 / 14,884 |
| 507. | 0.1% | Ridgeview Community Unit School District 19 / 3,879 |
| 507. | 0.1% | O'Fallon Township High School District 203 / 37,866 |
| 509. | 0.1% | Morton Grove School District 70 / 8,702 |
| 510. | 0.1% | Bureau Valley Community Unit School District 340 / 6,834 |
| 510. | 0.1% | ROWVA Community Unit School District 208 / 4,053 |
| 510. | 0.1% | Homer Community Consolidated School District 33C / 29,362 |
| 513. | 0.1% | Lemont Township High School District 210 / 24,464 |
| 513. | 0.1% | Lemont-Bromberek Combined School District 113A / 24,160 |
| 513. | 0.1% | Lake Zurich Community Unit School District 95 / 31,304 |
| 516. | 0.1% | Hononegah Community High School District 207 / 31,142 |
| 516. | 0.1% | Triad Community Unit School District 2 / 20,518 |
| 516. | 0.1% | Orion Community Unit School District 223 / 6,384 |
| 519. | 0.1% | Oswego Community Unit School District 308 / 68,241 |
| 519. | 0.1% | Shiloh Community Unit School District 1 / 3,183 |
| 521. | 0.1% | Woodland Community Consolidated School District 50 / 51,177 |
| 522. | 0.1% | Central Community High School District 71 / 15,724 |
| 522. | 0.1% | Limestone Community High School District 310 / 22,180 |
| 524. | 0.0% | Cahokia Community Unit School District 187 / 19,834 |
Please note that we only rank locations with '1 Room House Percentage' data. The rank above might not be a complete list. Locations without '1 Room House 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.
