| Rank | Median Household Income ▼ | School District / Population |
| 1. | $80,315 | Dunlap Community Unit School District 323 / 19,107 |
| 2. | $77,071 | Pleasant Valley Community School District / 19,928 |
| 3. | $67,292 | Riverview Consolidated Community School District 2 / 2,875 |
| 4. | $66,775 | Orion Community Unit School District 223 / 6,384 |
| 5. | $66,689 | Brimfield Community Unit School District 309 / 3,732 |
| 6. | $64,744 | Riverdale Community Unit School District 100 / 6,535 |
| 7. | $64,158 | Northeast Community School District / 2,774 |
| 8. | $63,041 | North Scott Community School District / 14,717 |
| 9. | $62,804 | Rockridge Community Unit School District 300 / 7,181 |
| 10. | $62,313 | Geneseo Community Unit School District 228 / 15,508 |
| 11. | $61,836 | Bettendorf Community School District / 21,648 |
| 12. | $61,458 | Bennett Community School District / 1,277 |
| 13. | $61,250 | Montmorency Community Consolidated School District 145 / 2,524 |
| 14. | $60,281 | Elmwood Community Unit School District 322 / 3,921 |
| 15. | $59,519 | Malden Community Consolidated School District 84 / 859 |
| 16. | $58,578 | Wilton Community School District / 4,321 |
| 17. | $58,289 | Sherrard Community Unit School District 200 / 9,197 |
| 18. | $58,056 | Hampton School District 29 / 2,194 |
| 19. | $57,923 | Princeville Community Unit School District 326 / 4,530 |
| 20. | $56,790 | La Moille Community Unit School District 303 / 2,027 |
| 21. | $55,540 | Central Clinton Community School District / 9,472 |
| 22. | $55,480 | Illinois Valley Central Unit School District 321 / 13,582 |
| 23. | $54,239 | Annawan Community Unit School District 226 / 2,260 |
| 24. | $53,500 | Calamus-Wheatland Community School District / 2,484 |
| 25. | $52,679 | Camanche Community School District / 5,419 |
| 26. | $52,632 | Farmington Central Community Unit School District 265 / 8,099 |
| 27. | $51,620 | Durant Community School District / 3,280 |
| 28. | $51,496 | River Bend Community Unit District 2 / 6,730 |
| 29. | $51,344 | Midland Community Unit School District 7 / 5,409 |
| 30. | $51,058 | Nelson Public School District 8 / 391 |
| 31. | $50,789 | Cambridge Community Unit School District 227 / 3,100 |
| 32. | $50,652 | Bradford Community Unit School District 1 / 1,752 |
| 33. | $50,333 | Alwood Community Unit School District 225 / 2,197 |
| 34. | $50,201 | Erie Community Unit School District 1 / 3,891 |
| 35. | $50,017 | Knoxville Community Unit School District 202 / 5,998 |
| 36. | $49,958 | Morrison Community Unit School District 6 / 6,818 |
| 37. | $49,691 | Moline Unit School District 40 / 48,527 |
| 38. | $49,444 | Stark County Community Unit School District 100 / 4,935 |
| 39. | $49,355 | Spoon River Valley Community Unit School District 4 / 2,187 |
| 40. | $48,452 | Muscatine Community School District / 28,877 |
| 41. | $48,311 | East Coloma School District 12 / 2,491 |
| 42. | $47,375 | Williamsfield Community Unit School District 210 / 1,738 |
| 43. | $46,942 | Abingdon Community Unit School District 217 / 4,177 |
| 44. | $46,641 | Prophetstown-Lyndon-Tampico Community Unit School District 3 / 5,905 |
| 45. | $46,364 | ROWVA Community Unit School District 208 / 4,053 |
| 46. | $46,136 | Princeton High School District 500 / 12,550 |
| 47. | $45,581 | Princeton Elementary School District 115 / 11,668 |
| 48. | $45,564 | Bureau Valley Community Unit School District 340 / 6,834 |
| 49. | $45,551 | Mercer County School District 404 / 8,819 |
| 50. | $44,833 | Henry-Senachwine Consolidated Unit School District 5 / 3,905 |
| 51. | $44,664 | Colona School District 190 / 4,169 |
| 52. | $44,333 | West Central Community Unit School District 235 / 6,536 |
| 53. | $44,125 | Sterling Community Unit District 5 / 21,736 |
| 54. | $43,583 | Galva Community Unit School District 224 / 3,588 |
| 55. | $43,456 | Norwood Elementary School District 63 / 4,523 |
| 56. | $43,438 | Neponset Community Consolidated District 307 / 846 |
| 57. | $42,805 | Davenport Community School District / 105,189 |
| 58. | $41,656 | Monmouth-Roseville Community Unit School District 238 / 11,091 |
| 59. | $41,563 | Leepertown Community Consolidated School District 175 / 321 |
| 60. | $41,538 | Rock Island School District 41 / 45,098 |
| 61. | $41,393 | Peoria Heights Community Unit School District 325 / 7,512 |
| 62. | $41,010 | Rock Falls Township High School District 301 / 14,610 |
| 63. | $40,962 | Ohio Community Consolidated School District 17 / 936 |
| 64. | $40,865 | Ohio Community High School District 505 / 935 |
| 65. | $40,470 | United Township High School District 30 / 40,413 |
| 66. | $40,059 | Clinton Community School District / 26,447 |
| 67. | $39,705 | East Moline School District 37 / 26,788 |
| 68. | $39,469 | Avon Community Unit School District 176 / 1,854 |
| 69. | $39,217 | United Community School District 304 / 6,514 |
| 70. | $38,125 | Riverdale School District 14 / 1,239 |
| 71. | $36,265 | Galesburg Community Unit School District 205 / 35,351 |
| 72. | $35,945 | Rock Falls Elementary School District 13 / 7,965 |
| 73. | $35,905 | Depue Community Unit School District 103 / 2,199 |
| 74. | $34,709 | Silvis School District 34 / 5,347 |
| 75. | $34,057 | Kewanee Community Unit School District 229 / 10,284 |
| 76. | $33,594 | Carbon Cliff-Barstow School District 36 / 1,915 |
| 77. | $33,478 | Pleasant Valley School District 62 / 4,397 |
| 78. | $32,576 | Wethersfield Community Unit School District 230 / 3,952 |
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.
*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.
