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 | 87 |
| 2. | Champaign County | 93 |
| 3. | DuPage County | 95 |
| 4. | DeKalb County | 96 |
| 5. | Lake County | 98 |
| 6. | Jo Daviess County | 99 |
| 7. | Kane County | 99 |
| 8. | McHenry County | 102 |
| 9. | Will County | 102 |
| 10. | Kendall County | 108 |
| 11. | Union County | 115 |
| 12. | Pope County | 115 |
| 13. | Winnebago County | 116 |
| 14. | McLean County | 116 |
| 15. | Madison County | 117 |
| 16. | Kankakee County | 117 |
| 17. | Jackson County | 118 |
| 18. | Peoria County | 121 |
| 19. | St. Clair County | 124 |
| 20. | Grundy County | 125 |
