California Gazetteer
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. | San Francisco County | 38 |
| 2. | Santa Cruz County | 40 |
| 3. | Marin County | 40 |
| 4. | San Mateo County | 41 |
| 5. | Los Angeles County | 42 |
| 6. | Alameda County | 42 |
| 7. | San Luis Obispo County | 44 |
| 8. | Santa Clara County | 44 |
| 9. | Mendocino County | 45 |
| 10. | Monterey County | 45 |
| 11. | Orange County | 45 |
| 12. | Trinity County | 46 |
| 13. | Santa Barbara County | 48 |
| 14. | San Diego County | 48 |
| 15. | Humboldt County | 48 |
| 16. | Sonoma County | 50 |
| 17. | Ventura County | 52 |
| 18. | Napa County | 52 |
| 19. | Mono County | 54 |
| 20. | San Benito County | 55 |
