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. | Buffalo County | 28 |
| 2. | Todd County | 34 |
| 3. | Mellette County | 35 |
| 4. | Oglala Lakota County | 36 |
| 5. | Jackson County | 41 |
| 6. | Dewey County | 49 |
| 7. | Corson County | 49 |
| 8. | Faulk County | 57 |
| 9. | Fall River County | 58 |
| 10. | Bennett County | 58 |
| 11. | Beadle County | 62 |
| 12. | Jones County | 64 |
| 13. | Brookings County | 65 |
| 14. | Davison County | 66 |
| 15. | Lyman County | 66 |
| 16. | Miner County | 66 |
| 17. | Clay County | 68 |
| 18. | Day County | 69 |
| 19. | Meade County | 71 |
| 20. | Codington County | 72 |
