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. | St. Mary's County | 168 |
| 2. | Calvert County | 166 |
| 3. | Allegany County | 163 |
| 4. | Dorchester County | 156 |
| 5. | Wicomico County | 156 |
| 6. | Charles County | 155 |
| 7. | Cecil County | 153 |
| 8. | Carroll County | 152 |
| 9. | Frederick County | 151 |
| 10. | Harford County | 151 |
| 11. | Anne Arundel County | 150 |
| 12. | Baltimore County | 143 |
| 13. | Garrett County | 143 |
| 14. | Baltimore city | 143 |
| 15. | Washington County | 142 |
| 16. | Somerset County | 142 |
| 17. | Queen Anne's County | 141 |
| 18. | Caroline County | 140 |
| 19. | Prince George's County | 137 |
| 20. | Howard County | 133 |
