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. | 01901 | Lynn | 12 |
| 2. | 02115 | Boston | 18 |
| 3. | 02119 | Roxbury | 23 |
| 4. | 02020 | Brant Rock | 23 |
| 5. | 02641 | East Dennis | 23 |
| 6. | 02535 | Chilmark | 27 |
| 7. | 02650 | North Chatham | 27 |
| 8. | 02199 | Boston | 28 |
| 9. | 02121 | Dorchester | 28 |
| 10. | 02646 | Harwich Port | 29 |
| 11. | 01840 | Lawrence | 29 |
| 12. | 02539 | Edgartown | 30 |
| 13. | 02120 | Roxbury Crossing | 32 |
| 14. | 02118 | Boston | 32 |
| 15. | 02111 | Boston | 32 |
| 16. | 02138 | Cambridge | 34 |
| 17. | 02639 | Dennis Port | 34 |
| 18. | 02657 | Provincetown | 34 |
| 19. | 01105 | Springfield | 34 |
| 20. | 02446 | Brookline | 35 |