South Dakota Gazetteer
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. | Todd County | 29 |
| 2. | Buffalo County | 31 |
| 3. | Oglala Lakota County | 32 |
| 4. | Mellette County | 38 |
| 5. | Jackson County | 38 |
| 6. | Dewey County | 46 |
| 7. | Bennett County | 48 |
| 8. | Corson County | 50 |
| 9. | Tripp County | 57 |
| 10. | Lyman County | 60 |
| 11. | Fall River County | 60 |
| 12. | Miner County | 61 |
| 13. | Faulk County | 62 |
| 14. | Gregory County | 62 |
| 15. | Beadle County | 63 |
| 16. | Charles Mix County | 64 |
| 17. | Roberts County | 64 |
| 18. | Bon Homme County | 65 |
| 19. | Brookings County | 65 |
| 20. | Jones County | 66 |
