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 Kenilworth | Cook | 486 |
| 2. | Village of Winnetka | Cook | 464 |
| 3. | Village of Glencoe | Cook | 456 |
| 4. | Village of South Barrington | Cook | 430 |
| 5. | Village of Hinsdale | DuPage | 425 |
| 6. | City of Lake Forest | Lake | 410 |
| 7. | Village of Long Grove | Lake | 409 |
| 8. | Village of Inverness | Cook | 393 |
| 9. | Village of Oak Brook | DuPage | 391 |
| 10. | Village of Riverwoods | Lake | 384 |
| 11. | Village of Green Oaks | Lake | 382 |
| 12. | Village of Kildeer | Lake | 379 |
| 13. | Village of Mettawa | Lake | 377 |
| 14. | Village of Wilmette | Cook | 371 |
| 15. | Village of Burr Ridge | DuPage | 369 |
| 16. | Village of Western Springs | Cook | 363 |
| 17. | Village of Tower Lakes | Lake | 359 |
| 18. | Village of Northfield | Cook | 352 |
| 19. | Village of Barrington Hills | Cook | 346 |
| 20. | Village of North Barrington | Lake | 344 |
