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. | Short Hills Census Designated Place | Essex | 507 |
| 2. | Borough of North Caldwell | Essex | 480 |
| 3. | Borough of Mantoloking | Ocean | 466 |
| 4. | Borough of Essex Fells | Essex | 464 |
| 5. | Borough of Saddle River | Bergen | 444 |
| 6. | Borough of Upper Saddle River | Bergen | 435 |
| 7. | Borough of Mountain Lakes | Morris | 433 |
| 8. | Borough of Ho-Ho-Kus | Bergen | 432 |
| 9. | Belle Mead Census Designated Place | Somerset | 427 |
| 10. | Borough of Glen Ridge | Essex | 425 |
| 11. | Borough of Franklin Lakes | Bergen | 424 |
| 12. | Borough of Woodcliff Lake | Bergen | 418 |
| 13. | Harlingen Census Designated Place | Somerset | 408 |
| 14. | Borough of Demarest | Bergen | 406 |
| 15. | Upper Montclair Census Designated Place | Essex | 406 |
| 16. | Borough of Haworth | Bergen | 399 |
| 17. | Village of Ridgewood | Bergen | 385 |
| 18. | Borough of Rumson | Monmouth | 383 |
| 19. | Borough of Glen Rock | Bergen | 379 |
| 20. | Borough of Allendale | Bergen | 376 |
