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. | Allegany County | 116 |
| 2. | Calvert County | 101 |
| 3. | Wicomico County | 99 |
| 4. | Carroll County | 96 |
| 5. | Somerset County | 95 |
| 6. | Harford County | 94 |
| 7. | Cecil County | 93 |
| 8. | Charles County | 93 |
| 9. | St. Mary's County | 93 |
| 10. | Anne Arundel County | 88 |
| 11. | Baltimore County | 87 |
| 12. | Frederick County | 87 |
| 13. | Garrett County | 86 |
| 14. | Queen Anne's County | 86 |
| 15. | Washington County | 85 |
| 16. | Howard County | 83 |
| 17. | Caroline County | 82 |
| 18. | Dorchester County | 81 |
| 19. | Baltimore city | 81 |
| 20. | Prince George's County | 80 |