| Rank | No Fuel Used Heating House Percentage ▼ | School District / Population |
| 1. | 62.2% | Gadsden Elementary District / 23,777 |
| 2. | 42.5% | Somerton Elementary District / 21,781 |
| 3. | 29.2% | Sentinel Elementary District / 71 |
| 4. | 20.0% | San Fernando Elementary District / 37 |
| 5. | 16.8% | Yuma Union High School District / 190,582 |
| 6. | 9.5% | Walnut Grove Elementary District / 53 |
| 7. | 9.1% | McNary Elementary District / 470 |
| 8. | 8.6% | Crane Elementary District / 43,272 |
| 9. | 8.4% | Yuma Elementary District / 101,752 |
| 10. | 7.4% | Wenden Elementary District / 767 |
| 11. | 6.2% | Hyder Elementary District / 553 |
| 12. | 5.7% | Empire Elementary District / 370 |
| 13. | 5.1% | Canon Elementary District / 2,222 |
| 14. | 4.9% | Bouse Elementary District / 950 |
| 15. | 4.7% | Wilson Elementary District / 2,780 |
| 16. | 4.3% | Bicentennial Union High School District / 9,528 |
| 17. | 4.0% | Salome Consolidated Elementary District / 2,424 |
| 17. | 4.0% | Quartzsite Elementary District / 5,387 |
| 19. | 3.9% | Topock Elementary District / 2,484 |
| 20. | 3.8% | Eloy Elementary District / 7,554 |
| 21. | 3.5% | Fort Thomas Unified District / 4,954 |
| 22. | 3.1% | Riverside Elementary District / 6,925 |
| 23. | 3.1% | Hayden-Winkelman Unified District / 1,436 |
| 24. | 3.0% | Antelope Union High School District / 5,838 |
| 25. | 2.7% | Santa Cruz Valley Union High School District / 17,096 |
| 26. | 2.7% | Wellton Elementary District / 4,024 |
| 27. | 2.7% | Stanfield Elementary District / 3,630 |
| 28. | 2.5% | Mohawk Valley Elementary District / 1,261 |
| 29. | 2.5% | Douglas Unified District / 21,545 |
| 30. | 2.3% | Murphy Elementary District / 14,300 |
| 31. | 2.3% | Name N/A / 2,139,438 |
| 32. | 2.2% | Naco Elementary District / 1,681 |
| 33. | 2.2% | Parker Unified School District / 10,932 |
| 34. | 2.1% | Owens-Whitney Elementary District / 570 |
| 35. | 2.1% | Isaac Elementary District / 44,051 |
| 36. | 1.8% | Willcox Unified District / 7,809 |
| 37. | 1.8% | Mohave Valley Elementary District / 22,177 |
| 38. | 1.7% | Nogales Unified District / 22,248 |
| 39. | 1.5% | Saddle Mountain Unified School District / 7,573 |
| 40. | 1.5% | Duncan Unified District / 2,223 |
| 41. | 1.5% | Phoenix Elementary District / 54,589 |
| 41. | 1.5% | Sunnyside Unified District / 88,148 |
| 43. | 1.4% | Roosevelt Elementary District / 97,634 |
| 44. | 1.3% | Colorado River Union High School District / 64,652 |
| 45. | 1.3% | Indian Oasis-Baboquivari Unified District / 6,427 |
| 46. | 1.3% | Buckeye Elementary District / 37,342 |
| 47. | 1.2% | Ash Creek Elementary District / 1,050 |
| 48. | 1.2% | Avondale Elementary District / 46,485 |
| 49. | 1.2% | Bagdad Unified School District / 2,234 |
| 50. | 1.1% | Osborn Elementary District / 38,490 |
| 51. | 1.1% | Phoenix Union High School District / 648,748 |
| 52. | 1.1% | Kingman Unified School District / 68,630 |
| 53. | 1.0% | Fowler Elementary District / 28,655 |
| 53. | 1.0% | Cartwright Elementary District / 115,064 |
| 53. | 1.0% | Gila Bend Unified District / 2,397 |
| 56. | 1.0% | Superior Unified School District / 3,078 |
| 57. | 1.0% | Sacaton Elementary District / 8,141 |
| 58. | 1.0% | Creighton Elementary District / 62,583 |
| 59. | 0.9% | Bullhead City School District / 39,991 |
| 60. | 0.9% | San Carlos Unified District / 5,813 |
| 60. | 0.9% | Palominas Elementary District / 9,836 |
| 62. | 0.8% | Alhambra Elementary District / 89,328 |
| 62. | 0.8% | Tempe School District / 145,370 |
| 64. | 0.8% | Glendale Elementary District / 96,561 |
| 64. | 0.8% | Pomerene Elementary District / 1,140 |
| 66. | 0.8% | Red Rock Elementary District / 2,296 |
| 66. | 0.8% | Double Adobe Elementary District / 692 |
| 68. | 0.8% | Benson Unified School District / 7,780 |
| 68. | 0.8% | Glendale Union High School District / 329,556 |
| 70. | 0.8% | Washington Elementary District / 232,995 |
| 71. | 0.8% | Pima Unified District / 4,373 |
| 72. | 0.7% | Tombstone Unified District / 7,463 |
| 72. | 0.7% | Pinon Unified District / 6,495 |
| 72. | 0.7% | Buckeye Union High School District / 64,134 |
| 72. | 0.7% | Tucson Unified District / 479,107 |
| 76. | 0.7% | Prescott Unified District / 56,880 |
| 77. | 0.7% | Union Elementary District / 14,363 |
| 78. | 0.7% | Agua Fria Union High School District / 120,394 |
| 78. | 0.7% | Madison Elementary District / 54,192 |
| 80. | 0.7% | Congress Elementary District / 1,828 |
| 81. | 0.7% | Sanders Unified District / 6,707 |
| 82. | 0.6% | Tolleson Elementary District / 15,597 |
| 83. | 0.6% | Marana Unified District / 86,240 |
| 84. | 0.6% | Laveen Elementary District / 42,133 |
| 85. | 0.6% | Patagonia Elementary District / 1,224 |
| 86. | 0.6% | Tuba City Unified District / 16,364 |
| 87. | 0.6% | Valley Union High School District / 4,187 |
| 87. | 0.6% | Hackberry School District / 1,184 |
| 89. | 0.6% | Ganado Unified District / 7,939 |
| 89. | 0.6% | Coolidge Unified District / 35,807 |
| 89. | 0.6% | Chino Valley Unified District / 21,826 |
| 92. | 0.5% | Casa Grande Union High School District / 84,541 |
| 92. | 0.5% | Tempe Union High School District / 300,672 |
| 92. | 0.5% | Mesa Unified District / 458,673 |
| 92. | 0.5% | Maricopa Unified School District / 45,298 |
| 96. | 0.5% | Bisbee Unified District / 7,130 |
| 96. | 0.5% | Tolleson Union High School District / 166,262 |
| 98. | 0.5% | Pearce Elementary District / 1,977 |
| 99. | 0.5% | Casa Grande Elementary District / 61,105 |
| 100. | 0.5% | Balsz Elementary District / 26,679 |
| 101. | 0.5% | Palo Verde Elementary District / 2,075 |
| 102. | 0.4% | Deer Valley Unified District / 239,388 |
| 102. | 0.4% | Amphitheater Unified District / 134,440 |
| 104. | 0.4% | Litchfield Elementary District / 73,909 |
| 105. | 0.4% | Dysart Unified District / 160,545 |
| 105. | 0.4% | Cottonwood-Oak Creek Elementary District / 30,494 |
| 107. | 0.4% | Chandler Unified District / 222,174 |
| 108. | 0.4% | Mingus Union High School District / 34,266 |
| 108. | 0.4% | Catalina Foothills Unified District / 31,525 |
| 110. | 0.4% | Pendergast Elementary District / 69,209 |
| 111. | 0.3% | Apache Junction Unified District / 56,883 |
| 112. | 0.3% | Lake Havasu Unified District / 55,708 |
| 112. | 0.3% | Flagstaff Unified District / 93,101 |
| 112. | 0.3% | Winslow Unified District / 11,729 |
| 115. | 0.3% | Littleton Elementary District / 38,438 |
| 115. | 0.3% | Patagonia Union High School District / 2,905 |
| 115. | 0.3% | Kyrene Elementary District / 155,302 |
| 115. | 0.3% | Cedar Unified District / 7,910 |
| 119. | 0.3% | Morristown Elementary District / 1,665 |
| 119. | 0.3% | Name N/A / 66,046 |
| 121. | 0.3% | Snowflake Unified District / 12,172 |
| 121. | 0.3% | Peoria Unified School District / 211,900 |
| 123. | 0.3% | Paradise Valley Unified District / 246,814 |
| 123. | 0.3% | Scottsdale Unified District / 224,266 |
| 123. | 0.3% | Whiteriver Unified District / 11,977 |
| 126. | 0.2% | Sahuarita Unified District / 26,552 |
| 127. | 0.2% | Holbrook Unified District / 10,176 |
| 128. | 0.2% | Payson Unified District / 21,631 |
| 129. | 0.2% | Fredonia-Moccasin Unified District / 2,517 |
| 130. | 0.2% | Queen Creek Unified District / 25,762 |
| 131. | 0.2% | Page Unified District / 13,475 |
| 132. | 0.2% | Florence Unified School District / 71,916 |
| 132. | 0.2% | Red Mesa Unified District / 8,184 |
| 134. | 0.1% | Gilbert Unified District / 189,467 |
| 134. | 0.1% | Camp Verde Unified District / 11,307 |
| 136. | 0.1% | Santa Cruz Valley Unified District / 20,454 |
| 136. | 0.1% | Liberty Elementary District / 23,470 |
| 138. | 0.1% | Sierra Vista Unified District / 49,053 |
| 138. | 0.1% | Higley Unified District / 62,748 |
| 138. | 0.1% | Miami Unified District / 8,975 |
| 138. | 0.1% | Flowing Wells Unified District / 28,987 |
| 142. | 0.1% | Chinle Unified District / 19,670 |
Please note that we only rank locations with 'No Fuel Used Heating House Percentage' data. The rank above might not be a complete list. Locations without 'No Fuel Used 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.
