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.
| ZIP Code | City | Housing Affordability Index | |
|---|---|---|---|
| 1. | 59919 | Hungry Horse | 48 |
| 2. | 59758 | West Yellowstone | 71 |
| 3. | 59715 | Bozeman | 72 |
| 4. | 59928 | Polebridge | 84 |
| 5. | 59874 | Trout Creek | 86 |
| 6. | 59855 | Pablo | 91 |
| 7. | 59730 | Gallatin Gateway | 91 |
| 8. | 59639 | Lincoln | 92 |
| 9. | 59875 | Victor | 93 |
| 10. | 59922 | Lakeside | 93 |
| 11. | 59929 | Proctor | 93 |
| 12. | 59931 | Rollins | 93 |
| 13. | 59937 | Whitefish | 94 |
| 14. | 59917 | Eureka | 94 |
| 15. | 59873 | Thompson Falls | 96 |
| 16. | 59936 | West Glacier | 96 |
| 17. | 59859 | Plains | 96 |
| 18. | 59826 | Condon | 96 |
| 19. | 59829 | Darby | 96 |
| 20. | 59068 | Red Lodge | 96 |
