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.
| Name | County | Housing Affordability Index | |
|---|---|---|---|
| 1. | City of Ketchum | Blaine | 62 |
| 2. | City of Sun Valley | Blaine | 66 |
| 3. | City of Harrison | Kootenai | 86 |
| 4. | City of Crouch | Boise | 90 |
| 5. | Garden Valley Census Designated Place | Boise | 93 |
| 6. | City of Moscow | Latah | 94 |
| 7. | Elk City Census Designated Place | Idaho | 97 |
| 8. | City of New Meadows | Adams | 99 |
| 9. | City of Rexburg | Madison | 103 |
| 10. | City of Garden City | Ada | 107 |
| 11. | City of Hailey | Blaine | 108 |
| 12. | City of Salmon | Lemhi | 110 |
| 13. | City of Clark Fork | Bonner | 111 |
| 14. | City of Coeur d'Alene | Kootenai | 113 |
| 15. | City of Island Park | Fremont | 113 |
| 16. | City of Roberts | Jefferson | 113 |
| 17. | City of McCall | Valley | 114 |
| 18. | City of Athol | Kootenai | 114 |
| 19. | City of Worley | Kootenai | 115 |
| 20. | City of Tetonia | Teton | 117 |
