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. | Allendale County | 152 |
| 2. | Union County | 139 |
| 3. | Chesterfield County | 136 |
| 4. | Calhoun County | 135 |
| 5. | Dillon County | 134 |
| 6. | Barnwell County | 131 |
| 7. | Saluda County | 128 |
| 8. | Marlboro County | 127 |
| 9. | Williamsburg County | 127 |
| 10. | Lee County | 122 |
| 11. | McCormick County | 122 |
| 12. | Orangeburg County | 119 |
| 13. | Hampton County | 117 |
| 14. | Edgefield County | 117 |
| 15. | Lexington County | 115 |
| 16. | Aiken County | 115 |
| 17. | Chester County | 115 |
| 18. | Marion County | 113 |
| 19. | Kershaw County | 111 |
| 20. | Fairfield County | 111 |