| Rank | No Fuel Used Heating House Percentage ▼ | School District / Population |
| 1. | 49.6% | Gadsden Elementary District / 21,807 |
| 2. | 35.0% | Somerton Elementary District / 17,490 |
| 3. | 30.8% | Mobile Elementary District / 78 |
| 4. | 17.1% | Hyder Elementary District / 473 |
| 5. | 12.8% | Yuma Union High School District / 183,380 |
| 6. | 11.8% | Name N/A / 440 |
| 7. | 8.7% | McNary Elementary District / 549 |
| 8. | 7.4% | Walnut Grove Elementary District / 39 |
| 9. | 6.8% | Yuma Elementary District / 102,481 |
| 10. | 6.7% | Crane Elementary District / 41,602 |
| 11. | 5.2% | Double Adobe Elementary District / 556 |
| 12. | 5.1% | Eloy Elementary District / 7,725 |
| 13. | 5.1% | Antelope Union High School District / 5,603 |
| 14. | 4.5% | Wellton Elementary District / 3,821 |
| 15. | 4.1% | Santa Cruz Valley Union High School District / 13,076 |
| 16. | 4.0% | Aguila Elementary District / 725 |
| 17. | 3.8% | Murphy Elementary District / 15,926 |
| 18. | 3.8% | Fort Thomas Unified District / 5,012 |
| 19. | 3.5% | Owens-Whitney Elementary District / 579 |
| 20. | 3.1% | Tolleson Elementary District / 15,982 |
| 21. | 2.9% | Gila Bend Unified District / 1,392 |
| 22. | 2.8% | Indian Oasis-Baboquivari Unified District / 6,492 |
| 23. | 2.6% | Phoenix Elementary District / 59,138 |
| 24. | 2.5% | Isaac Elementary District / 48,204 |
| 25. | 2.5% | Wilson Elementary District / 3,714 |
| 25. | 2.5% | Palo Verde Elementary District / 1,602 |
| 27. | 2.3% | Roosevelt Elementary District / 103,933 |
| 28. | 2.1% | Name N/A / 2,169,748 |
| 29. | 2.0% | Bouse Elementary District / 1,182 |
| 30. | 2.0% | Mohawk Valley Elementary District / 1,309 |
| 31. | 1.9% | McNeal Elementary District / 307 |
| 32. | 1.9% | Pearce Elementary District / 2,151 |
| 33. | 1.9% | Name N/A / 2,268 |
| 34. | 1.8% | Heber-Overgaard Unified District / 3,392 |
| 35. | 1.8% | Alhambra Elementary District / 95,088 |
| 36. | 1.7% | Cartwright Elementary District / 128,204 |
| 37. | 1.7% | Ray Unified District / 5,200 |
| 38. | 1.6% | Parker Unified School District / 12,143 |
| 39. | 1.6% | Phoenix Union High School District / 700,904 |
| 40. | 1.6% | Congress Elementary District / 1,928 |
| 41. | 1.5% | Creighton Elementary District / 73,841 |
| 42. | 1.4% | Avondale Elementary District / 41,616 |
| 43. | 1.4% | Payson Unified District / 20,548 |
| 44. | 1.3% | Altar Valley Elementary District / 6,439 |
| 45. | 1.3% | Superior Unified School District / 3,596 |
| 46. | 1.3% | Valley Union High School District / 4,488 |
| 47. | 1.2% | Douglas Unified District / 20,738 |
| 48. | 1.2% | Buckeye Elementary District / 31,375 |
| 49. | 1.2% | Mohave Valley Elementary District / 19,429 |
| 50. | 1.2% | Littleton Elementary District / 35,787 |
| 51. | 1.1% | Name N/A / 1,945 |
| 51. | 1.1% | Ash Fork Joint Unified District / 1,086 |
| 53. | 1.1% | Tempe School District / 152,175 |
| 54. | 1.1% | Sunnyside Unified District / 85,533 |
| 55. | 1.1% | J. O. Combs Unified School District / 15,014 |
| 56. | 1.0% | Ash Creek Elementary District / 1,109 |
| 57. | 1.0% | Name N/A / 14,464 |
| 58. | 1.0% | Fowler Elementary District / 28,984 |
| 59. | 1.0% | Tolleson Union High School District / 168,751 |
| 60. | 1.0% | Osborn Elementary District / 42,426 |
| 61. | 0.9% | Glendale Elementary District / 109,689 |
| 62. | 0.9% | Colorado River Union High School District / 62,309 |
| 63. | 0.9% | Glendale Union High School District / 361,673 |
| 64. | 0.9% | Washington Elementary District / 251,984 |
| 65. | 0.9% | Ajo Unified District / 3,253 |
| 66. | 0.8% | Buckeye Union High School District / 52,309 |
| 67. | 0.8% | Bullhead City School District / 40,541 |
| 68. | 0.8% | Union Elementary District / 13,994 |
| 69. | 0.8% | Palominas Elementary District / 10,305 |
| 70. | 0.8% | Tombstone Unified District / 6,578 |
| 71. | 0.7% | Name N/A / 3,945 |
| 72. | 0.7% | Blue Ridge Unified District / 16,494 |
| 73. | 0.7% | Florence Unified School District / 49,644 |
| 74. | 0.7% | Pinon Unified District / 5,695 |
| 74. | 0.7% | Ganado Unified District / 8,590 |
| 76. | 0.7% | Balsz Elementary District / 29,825 |
| 77. | 0.6% | Tempe Union High School District / 315,198 |
| 78. | 0.6% | Show Low Unified District / 15,872 |
| 79. | 0.6% | Laveen Elementary District / 34,100 |
| 79. | 0.6% | Mesa Unified District / 469,321 |
| 81. | 0.6% | Agua Fria Union High School District / 103,200 |
| 81. | 0.6% | Yarnell Elementary District / 1,119 |
| 83. | 0.5% | Pendergast Elementary District / 74,004 |
| 84. | 0.5% | Amphitheater Unified District / 140,997 |
| 85. | 0.5% | Scottsdale Unified District / 240,032 |
| 85. | 0.5% | Globe Unified District / 10,795 |
| 87. | 0.5% | Dysart Unified District / 121,661 |
| 87. | 0.5% | Apache Junction Unified District / 54,316 |
| 89. | 0.5% | Casa Grande Elementary District / 50,822 |
| 90. | 0.5% | Williams Unified District / 5,186 |
| 90. | 0.5% | Stanfield Elementary District / 4,594 |
| 92. | 0.5% | Chandler Unified District / 212,123 |
| 92. | 0.5% | Paradise Valley Unified District / 252,534 |
| 94. | 0.4% | Peoria Unified School District / 205,352 |
| 94. | 0.4% | Madison Elementary District / 60,155 |
| 96. | 0.4% | Marana Unified District / 86,821 |
| 96. | 0.4% | Benson Unified School District / 7,265 |
| 96. | 0.4% | Nogales Unified District / 21,121 |
| 96. | 0.4% | Tucson Unified District / 490,162 |
| 100. | 0.4% | Deer Valley Unified District / 222,295 |
| 100. | 0.4% | Maricopa Unified School District / 37,856 |
| 100. | 0.4% | Prescott Unified District / 58,322 |
| 103. | 0.4% | Duncan Unified District / 2,592 |
| 103. | 0.4% | Casa Grande Union High School District / 69,070 |
| 103. | 0.4% | Willcox Unified District / 7,579 |
| 106. | 0.4% | Cave Creek Unified District / 51,353 |
| 106. | 0.4% | Bisbee Unified District / 7,595 |
| 106. | 0.4% | Kingman Unified School District / 63,015 |
| 109. | 0.3% | Name N/A / 11,927 |
| 110. | 0.3% | Santa Cruz Valley Unified District / 18,100 |
| 111. | 0.3% | Queen Creek Unified District / 19,481 |
| 112. | 0.3% | Bicentennial Union High School District / 7,912 |
| 113. | 0.3% | Sahuarita Unified District / 23,307 |
| 114. | 0.3% | Cedar Unified District / 9,579 |
| 115. | 0.2% | Gilbert Unified District / 195,386 |
| 116. | 0.2% | Wickenburg Unified District / 8,749 |
| 117. | 0.2% | Name N/A / 63,745 |
| 118. | 0.2% | Flagstaff Unified District / 87,017 |
| 118. | 0.2% | Kyrene Elementary District / 163,023 |
| 120. | 0.2% | Liberty Elementary District / 18,280 |
| 120. | 0.2% | Name N/A / 30,173 |
| 122. | 0.2% | Lake Havasu Unified District / 57,801 |
| 123. | 0.2% | Flowing Wells Unified District / 30,647 |
| 123. | 0.2% | Coolidge Unified District / 30,027 |
| 123. | 0.2% | Higley Unified District / 55,581 |
| 126. | 0.2% | Fountain Hills Unified District / 25,193 |
| 127. | 0.1% | Cottonwood-Oak Creek Elementary District / 29,890 |
| 128. | 0.1% | Safford Unified District / 15,374 |
| 128. | 0.1% | Page Unified District / 12,835 |
| 130. | 0.1% | Camp Verde Unified District / 11,363 |
| 130. | 0.1% | Mingus Union High School District / 33,190 |
| 132. | 0.1% | Chino Valley Unified District / 20,025 |
| 133. | 0.1% | Catalina Foothills Unified District / 34,025 |
| 133. | 0.1% | Chinle Unified District / 18,513 |
| 135. | 0.1% | Sierra Vista Unified District / 47,982 |
| 136. | 0.0% | Litchfield Elementary District / 61,584 |
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.
