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. | Marlboro County | 267 |
| 2. | Union County | 259 |
| 3. | Allendale County | 253 |
| 4. | Laurens County | 239 |
| 5. | Chesterfield County | 239 |
| 6. | Hampton County | 235 |
| 7. | Barnwell County | 232 |
| 8. | Marion County | 230 |
| 9. | Bamberg County | 227 |
| 10. | Lee County | 225 |
| 11. | Chester County | 224 |
| 12. | Williamsburg County | 224 |
| 13. | Dillon County | 215 |
| 14. | Clarendon County | 215 |
| 15. | Spartanburg County | 213 |
| 16. | Orangeburg County | 213 |
| 17. | Cherokee County | 212 |
| 18. | Florence County | 206 |
| 19. | McCormick County | 206 |
| 20. | Newberry County | 205 |
