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.
| County | Housing Affordability Index | |
|---|---|---|
| 1. | Hampshire County | 122 |
| 2. | Franklin County | 119 |
| 3. | Berkshire County | 118 |
| 4. | Plymouth County | 116 |
| 5. | Worcester County | 116 |
| 6. | Hampden County | 112 |
| 7. | Bristol County | 107 |
| 8. | Norfolk County | 103 |
| 9. | Middlesex County | 98 |
| 10. | Essex County | 92 |
| 11. | Barnstable County | 88 |
| 12. | Suffolk County | 81 |
| 13. | Nantucket County | 59 |
| 14. | Dukes County | 51 |
