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.
| Name | County | Wealth Index | |
|---|---|---|---|
| 1. | Bath Census Designated Place | Brown | 207 |
| 2. | Shindler Census Designated Place | Lincoln | 203 |
| 3. | Saint Onge Census Designated Place | Lawrence | 197 |
| 4. | Anderson Census Designated Place | Minnehaha | 185 |
| 5. | Colonial Pine Hills Census Designated Place | Pennington | 183 |
| 6. | Dakota Dunes Census Designated Place | Union | 179 |
| 7. | Village of Wentworth | Lake | 175 |
| 8. | Lake Madison Census Designated Place | Lake | 174 |
| 9. | Town of Keystone | Pennington | 169 |
| 10. | Prairiewood Village Census Designated Place | Brown | 169 |
| 11. | Pine Lakes Addition Census Designated Place | Minnehaha | 161 |
| 12. | Mina Census Designated Place | Edmunds | 147 |
| 13. | Town of Nisland | Butte | 144 |
| 14. | Town of Warner | Brown | 144 |
| 15. | City of Jefferson | Union | 141 |
| 16. | City of Faith | Meade | 141 |
| 17. | City of Doland | Spink | 141 |
| 18. | Town of Hermosa | Custer | 140 |
| 19. | City of Conde | Spink | 138 |
| 20. | Town of Pringle | Custer | 138 |