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. | Harmon County | 215 |
| 2. | Grant County | 213 |
| 3. | Alfalfa County | 211 |
| 4. | Tillman County | 205 |
| 5. | Jefferson County | 186 |
| 6. | Washita County | 182 |
| 7. | Cimarron County | 178 |
| 8. | Harper County | 175 |
| 9. | Beaver County | 164 |
| 10. | Cotton County | 158 |
| 11. | Hughes County | 155 |
| 12. | Coal County | 155 |
| 13. | Greer County | 151 |
| 14. | Caddo County | 148 |
| 15. | Kiowa County | 147 |
| 16. | Ellis County | 145 |
| 17. | Major County | 142 |
| 18. | Kay County | 140 |
| 19. | Seminole County | 139 |
| 20. | Dewey County | 136 |