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. | 60653 | Chicago | 62 |
| 2. | 60624 | Chicago | 63 |
| 3. | 60637 | Chicago | 69 |
| 4. | 62901 | Carbondale | 73 |
| 5. | 60616 | Chicago | 75 |
| 6. | 60621 | Chicago | 79 |
| 7. | 60201 | Evanston | 79 |
| 8. | 60612 | Chicago | 79 |
| 9. | 61820 | Champaign | 79 |
| 10. | 60040 | Highwood | 80 |
| 11. | 60615 | Chicago | 83 |
| 12. | 60649 | Chicago | 83 |
| 13. | 60608 | Chicago | 84 |
| 14. | 60659 | Chicago | 85 |
| 15. | 60625 | Chicago | 87 |
| 16. | 60626 | Chicago | 88 |
| 17. | 60618 | Chicago | 88 |
| 18. | 60640 | Chicago | 88 |
| 19. | 60644 | Chicago | 90 |
| 20. | 60623 | Chicago | 91 |
