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 | 112 |
| 2. | Lake County | 122 |
| 3. | Jackson County | 123 |
| 4. | Champaign County | 126 |
| 5. | DeKalb County | 128 |
| 6. | Kane County | 128 |
| 7. | DuPage County | 133 |
| 8. | McHenry County | 141 |
| 9. | Will County | 145 |
| 10. | Jo Daviess County | 147 |
| 11. | McLean County | 149 |
| 12. | Kankakee County | 150 |
| 13. | Boone County | 151 |
| 14. | St. Clair County | 151 |
| 15. | Kendall County | 155 |
| 16. | Grundy County | 159 |
| 17. | Sangamon County | 161 |
| 18. | Jersey County | 162 |
| 19. | Peoria County | 163 |
| 20. | Woodford County | 165 |
