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. | 03227 | Center Sandwich | 133 |
| 2. | 03765 | Haverhill | 129 |
| 3. | 03570 | Berlin | 128 |
| 4. | 03259 | North Sandwich | 127 |
| 5. | 03780 | Pike | 126 |
| 6. | 03451 | Hinsdale | 122 |
| 7. | 03582 | Groveton | 119 |
| 8. | 03584 | Lancaster | 119 |
| 9. | 03872 | Sanbornville | 119 |
| 10. | 03868 | Rochester | 112 |
| 11. | 03033 | Brookline | 112 |
| 12. | 03052 | Litchfield | 111 |
| 13. | 03882 | Effingham | 111 |
| 14. | 03858 | Newton | 111 |
| 15. | 03774 | North Haverhill | 109 |
| 16. | 03849 | Madison | 108 |
| 17. | 03814 | Center Ossipee | 108 |
| 18. | 03048 | Greenville | 106 |
| 19. | 03304 | Bow | 106 |
| 20. | 03875 | Silver Lake | 105 |