| Rank | Solar Energy Heating House Percentage ▼ | School District / Population |
| 1. | 1.4% | Stark County Community Unit School District 100 / 4,624 |
| 2. | 1.3% | Anna Community Consolidated School District 37 / 6,790 |
| 3. | 1.0% | Colona School District 190 / 4,182 |
| 4. | 1.0% | Fisher Community Unit School District 1 / 3,455 |
| 5. | 0.9% | Anna Jonesboro Community High School District 81 / 11,122 |
| 6. | 0.7% | Raccoon Consolidated School District 1 / 2,245 |
| 7. | 0.6% | Bond County Community Unit School District 2 / 13,536 |
| 8. | 0.5% | Patoka Community Unit School District 100 / 1,541 |
| 9. | 0.5% | Winchester Community Unit School District 1 / 3,787 |
| 10. | 0.4% | Limestone Walters Community Consolidated School District 316 / 1,753 |
| 11. | 0.4% | Illini Bluffs Community Unit School District 327 / 5,690 |
| 12. | 0.4% | Jersey Community Unit School District 100 / 20,016 |
| 13. | 0.4% | Richmond-Burton Community High School District 157 / 11,628 |
| 13. | 0.4% | Nippersink School District 2 / 11,628 |
| 13. | 0.4% | Carmi-White County Community Unit School District 5 / 9,412 |
| 16. | 0.4% | Steeleville Community Unit School District 138 / 2,829 |
| 16. | 0.4% | Lawrence County Community Unit District 20 / 7,923 |
| 18. | 0.3% | Tonica Community Consolidated School District 79 / 1,648 |
| 19. | 0.3% | Fairfield Public School District 112 / 5,939 |
| 20. | 0.3% | Paxton-Buckley-Loda Community Unit School District 10 / 8,867 |
| 20. | 0.3% | Eureka Community Unit District 140 / 9,774 |
| 22. | 0.3% | Dolton School District 149 / 26,527 |
| 23. | 0.3% | Dolton School District 148 / 22,680 |
| 23. | 0.3% | Morrisonville Community Unit School District 1 / 1,992 |
| 25. | 0.3% | Warsaw Community Unit School District 316 / 2,841 |
| 26. | 0.2% | Robinson Community Unit School District 2 / 11,990 |
| 26. | 0.2% | Hardin County Community Unit School District 1 / 4,315 |
| 28. | 0.2% | Name N/A / 8,629 |
| 28. | 0.2% | Fairfield Community High School District 225 / 10,231 |
| 30. | 0.2% | Oak Park Elementary School District 97 / 51,781 |
| 31. | 0.2% | Big Hollow School District 38 / 14,983 |
| 32. | 0.1% | Roxana Community Unit School District 1 / 12,503 |
| 32. | 0.1% | Oak Park and River Forest District 200 / 62,955 |
| 34. | 0.1% | Wauconda Community Unit School District 118 / 26,997 |
| 34. | 0.1% | Zion Elementary School District 6 / 17,477 |
| 34. | 0.1% | Sparta Community Unit School District 140 / 8,677 |
| 37. | 0.1% | Waterloo Community Unit School District 5 / 17,334 |
| 37. | 0.1% | Thornton Township High School District 205 / 114,616 |
| 37. | 0.1% | Edwards County Community Unit School District 1 / 5,959 |
| 37. | 0.1% | Murphysboro Community Unit School District 186 / 15,439 |
| 41. | 0.1% | Breese School District 12 / 7,070 |
| 42. | 0.1% | United Township High School District 30 / 41,098 |
| 42. | 0.1% | Hinsdale Community Consolidated School District 181 / 25,590 |
| 42. | 0.1% | Salem Community High School District 600 / 15,160 |
| 45. | 0.1% | Olympia Community Unit School District 16 / 11,473 |
| 46. | 0.1% | Crete-Monee Community Unit School District 201-U / 33,416 |
| 47. | 0.1% | Mokena School District 159 / 17,167 |
| 48. | 0.1% | Woodstock Community Unit School District 200 / 37,344 |
| 48. | 0.1% | Alton Community Unit School District 11 / 48,625 |
| 48. | 0.1% | Grant Community High School District 124 / 36,070 |
| 48. | 0.1% | Mattoon Community Unit School District 2 / 23,059 |
| 52. | 0.1% | Charleston Community Unit School District 1 / 28,530 |
| 52. | 0.1% | Arlington Heights School District 25 / 50,272 |
| 52. | 0.1% | Central Community High School District 71 / 16,423 |
| 52. | 0.1% | Aurora East Unit School District 131 / 81,256 |
| 52. | 0.1% | Zion-Benton Township High School District 126 / 44,722 |
| 57. | 0.0% | Bureau Valley Community Unit School District 340 / 7,090 |
| 57. | 0.0% | Decatur School District 61 / 72,287 |
| 57. | 0.0% | Waukegan Community Unit School District 60 / 83,983 |
| 60. | 0.0% | Limestone Community High School District 310 / 22,942 |
| 60. | 0.0% | Naperville Community Unit District 203 / 95,161 |
| 60. | 0.0% | Hinsdale Township High School District 86 / 74,930 |
| 63. | 0.0% | Community Unit School District 300 / 109,175 |
| 63. | 0.0% | LaSalle-Peru Township High School District 120 / 29,237 |
| 65. | 0.0% | Lincoln Way Community High School District 210 / 103,957 |
| 65. | 0.0% | Chicago Public School District 299 / 2,702,420 |
| 65. | 0.0% | Rockford School District 205 / 192,951 |
| 65. | 0.0% | Name N/A / 4,792,985 |
| 65. | 0.0% | Township High School District 214 / 251,753 |
Please note that we only rank locations with 'Solar Energy Heating House Percentage' data. The rank above might not be a complete list. Locations without 'Solar Energy Heating 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.
