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. | Bronx County | 42 |
| 2. | Cattaraugus County | 51 |
| 3. | Allegany County | 57 |
| 4. | Jefferson County | 60 |
| 5. | Lewis County | 60 |
| 6. | Chenango County | 61 |
| 7. | Franklin County | 61 |
| 8. | Chautauqua County | 62 |
| 9. | Montgomery County | 62 |
| 10. | St. Lawrence County | 62 |
| 11. | Wyoming County | 64 |
| 12. | Herkimer County | 64 |
| 13. | Fulton County | 64 |
| 14. | Schuyler County | 66 |
| 15. | Chemung County | 68 |
| 16. | Oneida County | 68 |
| 17. | Genesee County | 69 |
| 18. | Clinton County | 69 |
| 19. | Cortland County | 69 |
| 20. | Orleans County | 69 |