The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
| ZIP Code | City | Housing Affordability Index | |
|---|---|---|---|
| 1. | 98105 | Seattle | 39 |
| 2. | 98104 | Seattle | 52 |
| 3. | 99163 | Pullman | 61 |
| 4. | 98004 | Bellevue | 63 |
| 5. | 98039 | Medina | 63 |
| 6. | 98144 | Seattle | 63 |
| 7. | 98119 | Seattle | 64 |
| 8. | 98101 | Seattle | 66 |
| 9. | 98122 | Seattle | 68 |
| 10. | 98816 | Chelan | 68 |
| 11. | 98225 | Bellingham | 69 |
| 12. | 98245 | Eastsound | 70 |
| 13. | 98279 | Olga | 70 |
| 14. | 98358 | Nordland | 70 |
| 15. | 99201 | Spokane | 70 |
| 16. | 98261 | Lopez Island | 72 |
| 17. | 98102 | Seattle | 72 |
| 18. | 98040 | Mercer Island | 72 |
| 19. | 98112 | Seattle | 73 |
| 20. | 98125 | Seattle | 73 |
