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. | 03441 | Ashuelot | 299 |
| 2. | 03582 | Groveton | 256 |
| 3. | 03765 | Haverhill | 244 |
| 4. | 03609 | North Walpole | 239 |
| 5. | 03780 | Pike | 231 |
| 6. | 03887 | Union | 230 |
| 7. | 03774 | North Haverhill | 225 |
| 8. | 03243 | Hill | 211 |
| 9. | 03279 | Warren | 209 |
| 10. | 03290 | Nottingham | 202 |
| 11. | 03590 | North Stratford | 202 |
| 12. | 03225 | Center Barnstead | 198 |
| 13. | 03034 | Candia | 197 |
| 14. | 03273 | South Sutton | 197 |
| 15. | 03224 | Canterbury | 196 |
| 16. | 03868 | Rochester | 195 |
| 17. | 03785 | Woodsville | 195 |
| 18. | 03465 | Troy | 194 |
| 19. | 03467 | Westmoreland | 191 |
| 20. | 03588 | Milan | 191 |
