Illinois 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. | Cook County | 84 |
| 2. | Champaign County | 85 |
| 3. | DeKalb County | 86 |
| 4. | DuPage County | 92 |
| 5. | Kane County | 92 |
| 6. | McHenry County | 97 |
| 7. | Lake County | 98 |
| 8. | Will County | 98 |
| 9. | Jackson County | 102 |
| 10. | Kankakee County | 105 |
| 11. | St. Clair County | 105 |
| 12. | Winnebago County | 111 |
| 13. | Kendall County | 111 |
| 14. | Jo Daviess County | 111 |
| 15. | Grundy County | 111 |
| 16. | McLean County | 112 |
| 17. | Madison County | 115 |
| 18. | Peoria County | 115 |
| 19. | Williamson County | 116 |
| 20. | Pope County | 117 |
