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. | 01347 | Lake Pleasant | 129 |
| 2. | 01474 | West Townsend | 108 |
| 3. | 01516 | Douglas | 106 |
| 4. | 01260 | South Lee | 105 |
| 5. | 01036 | Hampden | 105 |
| 6. | 01827 | Dunstable | 104 |
| 7. | 01532 | Northborough | 102 |
| 8. | 01543 | Rutland | 102 |
| 9. | 01071 | Russell | 102 |
| 10. | 01222 | Ashley Falls | 102 |
| 11. | 01270 | Windsor | 102 |
| 12. | 02053 | Medway | 102 |
| 13. | 02056 | Norfolk | 101 |
| 14. | 01342 | Deerfield | 100 |
| 15. | 01095 | Wilbraham | 100 |
| 16. | 01106 | Longmeadow | 100 |
| 17. | 01118 | Springfield | 100 |
| 18. | 01540 | Oxford | 100 |
| 19. | 01450 | Groton | 100 |
| 20. | 01452 | Hubbardston | 100 |