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.
| Name | County | Housing Affordability Index | |
|---|---|---|---|
| 1. | Bar Harbor Census Designated Place | Hancock | 83 |
| 2. | Orono Census Designated Place | Penobscot | 88 |
| 3. | Southwest Harbor Census Designated Place | Hancock | 90 |
| 4. | Castine Census Designated Place | Hancock | 91 |
| 5. | Camden Census Designated Place | Knox | 95 |
| 6. | Falmouth Foreside Census Designated Place | Cumberland | 100 |
| 7. | City of Portland | Cumberland | 100 |
| 8. | York Harbor Census Designated Place | York | 102 |
| 9. | Newport Census Designated Place | Penobscot | 103 |
| 10. | City of Biddeford | York | 106 |
| 11. | Old Orchard Beach Census Designated Place | York | 107 |
| 12. | Kennebunkport Census Designated Place | York | 108 |
| 13. | Kittery Point Census Designated Place | York | 110 |
| 14. | City of Bath | Sagadahoc | 110 |
| 15. | City of Belfast | Waldo | 111 |
| 16. | Yarmouth Census Designated Place | Cumberland | 112 |
| 17. | Cape Neddick Census Designated Place | York | 113 |
| 18. | Freeport Census Designated Place | Cumberland | 113 |
| 19. | City of Eastport | Washington | 116 |
| 20. | Boothbay Harbor Census Designated Place | Lincoln | 117 |
