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. | Village of Brookville | Nassau | 511 |
| 2. | Village of Scarsdale | Westchester | 477 |
| 3. | Saddle Rock Estates Census Designated Place | Nassau | 469 |
| 4. | Village of Plandome | Nassau | 449 |
| 5. | Village of Laurel Hollow | Nassau | 433 |
| 6. | Village of Munsey Park | Nassau | 433 |
| 7. | Village of Sands Point | Nassau | 431 |
| 8. | Village of Lattingtown | Nassau | 420 |
| 9. | Village of Old Westbury | Nassau | 418 |
| 10. | Village of Oyster Bay Cove | Nassau | 414 |
| 11. | Village of Roslyn Estates | Nassau | 414 |
| 12. | Village of Tuxedo Park | Orange | 410 |
| 13. | Village of Plandome Heights | Nassau | 406 |
| 14. | Village of East Hills | Nassau | 400 |
| 15. | Village of Cove Neck | Nassau | 397 |
| 16. | Village of Huntington Bay | Suffolk | 395 |
| 17. | Village of Plandome Manor | Nassau | 393 |
| 18. | Village of Hewlett Neck | Nassau | 391 |
| 19. | Village of Woodsburgh | Nassau | 386 |
| 20. | Village of Hewlett Bay Park | Nassau | 381 |