| Rank | Median Household Income ▼ | School District / Population |
| 1. | $87,241 | O'Fallon Community Consolidated School District 90 / 29,590 |
| 2. | $83,889 | Bartelso School District 57 / 1,292 |
| 3. | $80,823 | Aviston School District 21 / 2,837 |
| 4. | $79,053 | O'Fallon Township High School District 203 / 40,469 |
| 5. | $78,750 | Albers School District 63 / 1,409 |
| 6. | $77,274 | Shiloh Village School District 85 / 4,953 |
| 7. | $76,694 | Triad Community Unit School District 2 / 21,195 |
| 8. | $76,339 | Germantown School District 60 / 1,714 |
| 9. | $75,156 | Freeburg Community Consolidated School District 70 / 7,714 |
| 10. | $74,429 | Teutopolis Community Unit School District 50 / 5,323 |
| 11. | $73,250 | St. Rose School District 14-15 / 1,464 |
| 12. | $72,106 | Central Community High School District 71 / 16,730 |
| 13. | $71,897 | Mascoutah Community Unit School District 19 / 17,996 |
| 14. | $71,528 | Edwardsville Community Unit School District 7 / 51,131 |
| 15. | $71,429 | Damiansville School District 62 / 756 |
| 16. | $69,978 | Whiteside School District 115 / 12,608 |
| 17. | $69,869 | Wesclin Community Unit School District 3 / 7,971 |
| 18. | $66,723 | Highland Community Unit School District 5 / 18,392 |
| 19. | $66,354 | St. Libory Consolidated School District 30 / 869 |
| 20. | $64,983 | Breese School District 12 / 7,258 |
| 21. | $64,375 | Oakdale Community Consolidated School District 1 / 714 |
| 22. | $63,775 | Pontiac-William Holliday School District 105 / 7,796 |
| 23. | $61,076 | Woodlawn Community Consolidated School District 4 / 2,771 |
| 24. | $60,153 | West Washington County Community Unit District 10 / 4,012 |
| 25. | $59,667 | Community Consolidated School District 204 / 3,614 |
| 26. | $59,405 | Selmaville Community Consolidated School District 10 / 1,960 |
| 27. | $58,281 | Raccoon Consolidated School District 1 / 2,489 |
| 28. | $57,317 | Woodlawn Community High School District 205 / 3,230 |
| 29. | $56,607 | McClellan Community Consolidated School District 12 / 860 |
| 30. | $56,250 | Hoyleton Consolidated School District 29 / 977 |
| 30. | $56,250 | Patoka Community Unit School District 100 / 1,692 |
| 32. | $55,294 | Jasper Community Consolidated School District 17 / 1,457 |
| 33. | $55,156 | Kell Consolidated School District 2 / 993 |
| 34. | $54,239 | Altamont Community Unit School District 10 / 4,959 |
| 35. | $53,889 | Bluford Community Consolidated School District 114 / 2,556 |
| 36. | $53,818 | Central School District 104 / 4,970 |
| 37. | $53,571 | Morrisonville Community Unit School District 1 / 1,682 |
| 38. | $53,482 | Lebanon Community Unit School District 9 / 5,305 |
| 39. | $52,933 | Webber Township High School District 204 / 2,946 |
| 40. | $52,538 | Dieterich Community Unit School District 30 / 2,499 |
| 41. | $52,500 | Dodds Community Consolidated School District 7 / 1,374 |
| 41. | $52,500 | Beecher City Community Unit School District 20 / 2,571 |
| 43. | $52,250 | Farrington Community Consolidated School District 99 / 621 |
| 44. | $52,065 | Carlyle Community Unit School District 1 / 9,775 |
| 45. | $51,875 | Field Community Consolidated School District 3 / 2,768 |
| 46. | $51,503 | Belle Valley School District 119 / 9,582 |
| 47. | $51,359 | Grand Prairie Community Consolidated School District 6 / 806 |
| 48. | $50,878 | Nashville Community High School District 99 / 8,905 |
| 49. | $50,863 | Staunton Community Unit School District 6 / 8,400 |
| 50. | $50,639 | Mount Olive Community Unit School District 5 / 3,362 |
| 51. | $50,250 | Iuka Community Consolidated School District 7 / 1,930 |
| 52. | $50,185 | Ashley Community Consolidated School District 15 / 1,836 |
| 53. | $50,038 | Nashville Consolidated Community School District 49 / 5,710 |
| 54. | $49,772 | Vandalia Community Unit School District 203 / 11,080 |
| 55. | $49,219 | North Clay Community Unit School District 25 / 3,746 |
| 56. | $49,163 | Bond County Community Unit School District 2 / 13,391 |
| 57. | $49,127 | Wayne City Community Unit School District 100 / 3,702 |
| 58. | $49,041 | Stewardson-Strasburg Community Unit District 5A / 2,404 |
| 59. | $48,945 | Effingham Community Unit School District 40 / 20,319 |
| 60. | $48,786 | Opdyke-Belle Rive Community Consolidated School District 5 / 2,033 |
| 61. | $48,250 | Coulterville Unit School District 1 / 1,711 |
| 62. | $48,013 | West Richland Community Unit School District 2 / 2,010 |
| 63. | $47,034 | Salem Community High School District 600 / 15,043 |
| 64. | $47,031 | Ewing Northern Community Consolidated District 115 / 1,710 |
| 65. | $46,705 | Hillsboro Community Unit School District 3 / 14,713 |
| 66. | $46,343 | Ina Community Consolidated School District 8 / 3,060 |
| 67. | $46,293 | North Wayne Community Unit School District 200 / 2,556 |
| 68. | $45,761 | Panhandle Community Unit School District 2 / 2,280 |
| 69. | $45,304 | Pinckneyville Community High School District 101 / 10,799 |
| 70. | $45,250 | Geff Community Consolidated School District 14 / 939 |
| 71. | $44,784 | Rome Community Consolidated School District 2 / 2,519 |
| 72. | $44,345 | Mulberry Grove Community Unit School District 1 / 2,499 |
| 73. | $44,218 | Shelbyville Community Unit School District 4 / 7,911 |
| 74. | $43,547 | Clay City Community Unit District 10 / 2,505 |
| 75. | $43,525 | Pinckneyville School District 50 / 6,531 |
| 76. | $43,125 | Irvington County Community Unit School District 11 / 833 |
| 77. | $42,949 | Litchfield Community Unit School District 12 / 8,873 |
| 78. | $42,845 | Sesser-Valier Community Unit School District 196 / 4,212 |
| 79. | $42,713 | South Central Community Unit School District 401 / 5,051 |
| 80. | $42,679 | Waltonville Community Unit School District 1 / 2,067 |
| 81. | $42,531 | Ramsey Community Unit School District 204 / 2,709 |
| 82. | $41,891 | Brownstown Community Unit School District 201 / 1,961 |
| 83. | $41,827 | Willow Grove School District 46 / 2,239 |
| 84. | $41,722 | Salem School District 111 / 8,695 |
| 85. | $41,447 | Pana Community Unit School District 8 / 8,935 |
| 86. | $41,136 | Nokomis Community Unit School District 22 / 3,925 |
| 87. | $40,847 | Mount Vernon Township High School District 201 / 29,843 |
| 88. | $40,306 | Flora Community Unit School District 35 / 8,030 |
| 89. | $39,679 | Name N/A / 1,596 |
| 90. | $39,498 | Gillespie Community Unit School District 7 / 7,873 |
| 91. | $39,402 | Central City School District 133 / 2,019 |
| 92. | $38,816 | Cowden-Herrick Community Unit School District 3A / 2,582 |
| 93. | $38,269 | Summersville School District 79 / 1,880 |
| 94. | $38,205 | St. Elmo Community Unit School District 202 / 2,784 |
| 95. | $37,534 | Fairfield Public School District 112 / 6,126 |
| 96. | $37,449 | Centralia High School District 200 / 21,153 |
| 97. | $37,328 | Tamaroa School District 5 / 719 |
| 98. | $35,147 | Bethel School District 82 / 1,072 |
| 99. | $34,833 | Sandoval Community Unit School District 501 / 2,560 |
| 100. | $34,260 | Mount Vernon School District 80 / 13,934 |
| 101. | $33,583 | North Wamac School District 186 / 990 |
| 102. | $33,221 | Centralia School District 135 / 13,320 |
Please note that we only rank locations with 'Median Household Income' data. The rank above might not be a complete list. Locations without 'Median Household Income' data are not listed.
