| Rank | No Fuel Used Heating House Percentage ▼ | School District / Population |
| 1. | 2.0% | Liberty School District J-4 / 600 |
| 2. | 1.7% | Edison School District 54-JT / 268 |
| 3. | 1.1% | Plateau School District RE-5 / 546 |
| 4. | 1.1% | Idalia School District RJ-3 / 542 |
| 5. | 1.0% | Cheyenne County School District RE-5 / 1,592 |
| 6. | 0.9% | Springfield School District RE-4 / 1,907 |
| 7. | 0.9% | Brush School District RE-2J / 7,844 |
| 8. | 0.9% | Centennial School District R-1 / 1,590 |
| 9. | 0.8% | Julesburg School District RE-1 / 1,547 |
| 10. | 0.8% | Sheridan School District 2 / 8,548 |
| 11. | 0.8% | Mancos School District RE-6 / 3,300 |
| 11. | 0.8% | Custer County School District C-1 / 3,825 |
| 13. | 0.8% | Denver County School District 1 / 633,777 |
| 14. | 0.7% | Kim Reorganized School District 88 / 355 |
| 15. | 0.7% | Ault-Highland School District RE-9 / 5,615 |
| 16. | 0.7% | Telluride School District R-1 / 5,964 |
| 17. | 0.6% | Greeley School District 6 / 119,134 |
| 18. | 0.6% | Valley School District RE-1 / 20,236 |
| 19. | 0.5% | Fort Morgan School District RE-3 / 17,284 |
| 20. | 0.5% | Bethune School District R-5 / 594 |
| 21. | 0.5% | Pueblo City School District 60 / 110,267 |
| 22. | 0.5% | La Veta School District RE-2 / 1,415 |
| 23. | 0.4% | Colorado Springs School District 11 / 235,794 |
| 23. | 0.4% | Ignacio School District 11-JT / 6,023 |
| 23. | 0.4% | Burlington School District RE-6J / 5,241 |
| 23. | 0.4% | Kiowa School District C-2 / 2,634 |
| 27. | 0.4% | Thompson School District R-2J / 109,215 |
| 27. | 0.4% | Buena Vista School District R-31 / 8,275 |
| 29. | 0.4% | Huerfano School District RE-1 / 5,135 |
| 29. | 0.4% | Garfield School District RE-2 / 24,414 |
| 31. | 0.4% | Littleton School District 6 / 96,044 |
| 32. | 0.4% | Mesa County Valley School District 51 / 144,366 |
| 33. | 0.4% | Haxtun School District RE-2J / 1,373 |
| 33. | 0.4% | Adams-Arapahoe School District 28J / 214,656 |
| 35. | 0.4% | Keenesburg School District RE-3J / 13,595 |
| 35. | 0.4% | Windsor School District RE-4 / 22,539 |
| 37. | 0.3% | Del Norte School District C-7 / 4,406 |
| 37. | 0.3% | Strasburg School District 31J / 5,119 |
| 37. | 0.3% | Woodland Park School District RE-2 / 18,197 |
| 40. | 0.3% | Widefield School District 3 / 48,360 |
| 41. | 0.3% | Delta County School District 50J / 31,037 |
| 41. | 0.3% | Englewood School District 1 / 25,598 |
| 41. | 0.3% | Rocky Ford School District R-2 / 5,908 |
| 44. | 0.3% | Weld County School District RE-8 / 12,355 |
| 45. | 0.3% | Jefferson County School District R-1 / 549,339 |
| 46. | 0.3% | Boulder Valley School District RE-2 / 220,354 |
| 47. | 0.3% | Gunnison Watershed School District RE-1J / 15,435 |
| 47. | 0.3% | Mountain Valley School District RE-1 / 1,614 |
| 49. | 0.3% | Park County School District RE-2 / 6,648 |
| 49. | 0.3% | Fowler School District R-4J / 1,948 |
| 49. | 0.3% | Montrose County School District RE-1J / 38,523 |
| 52. | 0.2% | Johnstown-Milliken School District RE-5J / 17,883 |
| 52. | 0.2% | Bennett School District 29-J / 5,758 |
| 54. | 0.2% | Harrison School District 2 / 73,557 |
| 55. | 0.2% | Steamboat Springs School District RE-2 / 17,654 |
| 55. | 0.2% | Westminster School District 50 / 73,584 |
| 57. | 0.2% | Academy School District 20 / 99,520 |
| 58. | 0.2% | Cherry Creek School District 5 / 286,782 |
| 59. | 0.2% | Aspen School District 1 / 13,208 |
| 59. | 0.2% | Poudre School District R-1 / 191,740 |
| 61. | 0.1% | St. Vrain Valley School District RE 1J / 158,582 |
| 61. | 0.1% | Durango School District 9-R / 38,974 |
| 63. | 0.1% | Pueblo County School District 70 / 50,228 |
| 63. | 0.1% | Douglas County School District RE-1 / 302,027 |
| 65. | 0.1% | Cheyenne Mountain School District 12 / 22,131 |
| 65. | 0.1% | Clear Creek School District RE-1 / 9,114 |
| 67. | 0.1% | Adams County School District 14 / 38,448 |
| 67. | 0.1% | Northglenn-Thornton School District 12 / 218,955 |
| 69. | 0.1% | Roaring Fork School District RE-1 / 38,129 |
| 70. | 0.1% | Brighton School District 27J / 81,937 |
| 71. | 0.1% | Canon City School District RE-1 / 27,013 |
| 71. | 0.1% | Archuleta County School District 50-JT / 11,596 |
| 73. | 0.1% | Salida School District R-32 / 9,919 |
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.
