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. | Lake County | 38 |
| 2. | Scott County | 38 |
| 3. | Clay County | 41 |
| 4. | Grundy County | 45 |
| 5. | Hardeman County | 45 |
| 6. | Fentress County | 46 |
| 7. | Haywood County | 47 |
| 8. | Lauderdale County | 48 |
| 9. | Van Buren County | 49 |
| 10. | Weakley County | 50 |
| 11. | Chester County | 50 |
| 12. | Campbell County | 50 |
| 13. | Grainger County | 51 |
| 14. | Decatur County | 51 |
| 15. | Lewis County | 51 |
| 16. | Macon County | 51 |
| 17. | Jackson County | 51 |
| 18. | Johnson County | 52 |
| 19. | Benton County | 52 |
| 20. | Cocke County | 52 |