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. | 29401 | Charleston | 46 |
| 2. | 29482 | Sullivans Island | 58 |
| 3. | 29403 | Charleston | 66 |
| 4. | 29915 | Daufuskie Island | 83 |
| 5. | 29601 | Greenville | 87 |
| 6. | 29928 | Hilton Head Island | 88 |
| 7. | 29451 | Isle of Palms | 90 |
| 8. | 29439 | Folly Beach | 94 |
| 9. | 29943 | Tillman | 94 |
| 10. | 29205 | Columbia | 100 |
| 11. | 29487 | Wadmalaw Island | 101 |
| 12. | 29438 | Edisto Island | 102 |
| 13. | 29631 | Clemson | 103 |
| 14. | 29926 | Hilton Head Island | 107 |
| 15. | 29572 | Myrtle Beach | 112 |
| 16. | 29582 | North Myrtle Beach | 115 |
| 17. | 29470 | Ravenel | 117 |
| 18. | 29429 | Awendaw | 117 |
| 19. | 29449 | Hollywood | 121 |
| 20. | 29492 | Charleston | 121 |
