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. | 15213 | Pittsburgh | 73 |
| 2. | 15232 | Pittsburgh | 76 |
| 3. | 19104 | Philadelphia | 81 |
| 4. | 19103 | Philadelphia | 87 |
| 5. | 16801 | State College | 87 |
| 6. | 18917 | Dublin | 96 |
| 7. | 18701 | Wilkes Barre | 97 |
| 8. | 19010 | Bryn Mawr | 98 |
| 9. | 19107 | Philadelphia | 105 |
| 10. | 16803 | State College | 106 |
| 11. | 19121 | Philadelphia | 107 |
| 12. | 19146 | Philadelphia | 108 |
| 13. | 15208 | Pittsburgh | 108 |
| 14. | 17101 | Harrisburg | 109 |
| 15. | 19122 | Philadelphia | 109 |
| 16. | 18972 | Upper Black Eddy | 109 |
| 17. | 19118 | Philadelphia | 111 |
| 18. | 19436 | Gwynedd | 111 |
| 19. | 19041 | Haverford | 113 |
| 20. | 18920 | Erwinna | 113 |
