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. | Cumberland County | 71 |
| 2. | Hudson County | 86 |
| 3. | Salem County | 97 |
| 4. | Atlantic County | 106 |
| 5. | Camden County | 110 |
| 6. | Passaic County | 121 |
| 7. | Essex County | 127 |
| 8. | Ocean County | 130 |
| 9. | Warren County | 130 |
| 10. | Gloucester County | 139 |
| 11. | Middlesex County | 140 |
| 12. | Cape May County | 142 |
| 13. | Union County | 144 |
| 14. | Mercer County | 146 |
| 15. | Burlington County | 148 |
| 16. | Sussex County | 166 |
| 17. | Bergen County | 188 |
| 18. | Monmouth County | 194 |
| 19. | Morris County | 221 |
| 20. | Somerset County | 222 |
