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. | Caribou County | 240 |
| 2. | Bear Lake County | 219 |
| 3. | Power County | 198 |
| 4. | Butte County | 196 |
| 5. | Minidoka County | 196 |
| 6. | Bingham County | 187 |
| 7. | Lincoln County | 184 |
| 8. | Lewis County | 182 |
| 9. | Benewah County | 175 |
| 10. | Cassia County | 175 |
| 11. | Gooding County | 172 |
| 12. | Elmore County | 170 |
| 13. | Payette County | 169 |
| 14. | Shoshone County | 165 |
| 15. | Clearwater County | 163 |
| 16. | Clark County | 156 |
| 17. | Fremont County | 155 |
| 18. | Bonneville County | 154 |
| 19. | Bannock County | 150 |
| 20. | Oneida County | 149 |
