| Rank | Solar Energy Heating House Percentage ▼ | School District / Population |
| 1. | 1.6% | Pateros School District / 1,429 |
| 2. | 1.5% | Inchelium School District / 1,249 |
| 3. | 0.9% | Quilcene School District / 1,808 |
| 4. | 0.9% | Wishkah Valley School District / 836 |
| 5. | 0.6% | Freeman School District / 3,933 |
| 6. | 0.6% | Chimacum School District / 11,253 |
| 7. | 0.5% | Curlew School District / 1,525 |
| 8. | 0.5% | Montesano School District / 7,879 |
| 9. | 0.5% | Okanogan School District / 5,553 |
| 10. | 0.4% | Chewelah School District / 5,134 |
| 11. | 0.3% | Pomeroy School District / 2,075 |
| 12. | 0.3% | Cape Flattery School District / 3,496 |
| 13. | 0.3% | Port Townsend School District / 13,822 |
| 14. | 0.3% | Bainbridge Island School District / 21,923 |
| 15. | 0.2% | Prosser School District / 12,250 |
| 16. | 0.2% | Othello School District / 13,135 |
| 16. | 0.2% | Pioneer School District / 9,648 |
| 18. | 0.2% | Blaine School District / 15,588 |
| 19. | 0.2% | Chehalis School District / 14,749 |
| 20. | 0.2% | Peninsula School District / 54,059 |
| 21. | 0.2% | Ferndale School District / 29,518 |
| 22. | 0.1% | Ellensburg School District / 25,246 |
| 23. | 0.1% | Ocean Beach School District / 9,706 |
| 23. | 0.1% | Pullman School District / 28,738 |
| 23. | 0.1% | Eastmont School District / 28,012 |
| 26. | 0.1% | Longview Public Schools / 44,303 |
| 27. | 0.1% | Anacortes School District / 20,949 |
| 27. | 0.1% | San Juan Island School District / 7,920 |
| 29. | 0.1% | Stanwood-Camano School District / 31,405 |
| 29. | 0.1% | Seattle School District / 594,742 |
| 31. | 0.1% | Yakima School District / 72,275 |
| 31. | 0.1% | Tumwater School District / 35,007 |
| 31. | 0.1% | Richland School District / 59,223 |
| 31. | 0.1% | Snohomish School District / 51,492 |
| 35. | 0.1% | Vancouver Public Schools / 142,905 |
| 35. | 0.1% | Spokane Public Schools / 214,396 |
| 35. | 0.1% | South Kitsap School District / 65,662 |
| 38. | 0.0% | Evergreen School District (Clark) / 137,796 |
| 38. | 0.0% | Highline School District / 119,366 |
| 38. | 0.0% | Bellevue School District / 123,233 |
| 41. | 0.0% | Tacoma Public Schools / 206,232 |
| 42. | 0.0% | Northshore School District / 117,545 |
| 42. | 0.0% | Edmonds School District / 151,150 |
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.
