The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
| County | Wealth Index | |
|---|---|---|
| 1. | Beaufort County | 136 |
| 2. | Charleston County | 116 |
| 3. | York County | 102 |
| 4. | Lancaster County | 93 |
| 5. | Greenville County | 91 |
| 6. | Dorchester County | 90 |
| 7. | McCormick County | 87 |
| 8. | Oconee County | 85 |
| 9. | Lexington County | 85 |
| 10. | Aiken County | 83 |
| 11. | Georgetown County | 80 |
| 12. | Spartanburg County | 77 |
| 13. | Berkeley County | 75 |
| 14. | Richland County | 74 |
| 15. | Anderson County | 73 |
| 16. | Horry County | 73 |
| 17. | Newberry County | 68 |
| 18. | Pickens County | 68 |
| 19. | Edgefield County | 67 |
| 20. | Florence County | 66 |
