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. | Davidson County | 70 |
| 2. | Sevier County | 70 |
| 3. | Williamson County | 75 |
| 4. | Putnam County | 76 |
| 5. | Maury County | 77 |
| 6. | Moore County | 77 |
| 7. | Bedford County | 77 |
| 8. | Trousdale County | 77 |
| 9. | Anderson County | 78 |
| 10. | Overton County | 79 |
| 11. | Jackson County | 79 |
| 12. | Knox County | 79 |
| 13. | Shelby County | 80 |
| 14. | Rutherford County | 80 |
| 15. | Sumner County | 81 |
| 16. | Coffee County | 81 |
| 17. | DeKalb County | 82 |
| 18. | Hamilton County | 82 |
| 19. | Cumberland County | 83 |
| 20. | Greene County | 83 |