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 River Hills | Milwaukee | 302 |
| 2. | Village of Maple Bluff | Dane | 289 |
| 3. | Village of Chenequa | Waukesha | 266 |
| 4. | Village of Merton | Waukesha | 236 |
| 5. | Village of Fox Point | Milwaukee | 235 |
| 6. | City of Mequon | Ozaukee | 229 |
| 7. | Village of Richfield | Washington | 219 |
| 8. | Village of Bayside | Milwaukee | 219 |
| 9. | Village of Summit | Waukesha | 219 |
| 10. | Village of Whitefish Bay | Milwaukee | 218 |
| 11. | Village of Fontana-on-Geneva Lake | Walworth | 208 |
| 12. | Village of Lac La Belle | Waukesha | 207 |
| 13. | Village of Oconomowoc Lake | Waukesha | 206 |
| 14. | Village of North Prairie | Waukesha | 201 |
| 15. | Houlton Census Designated Place | St. Croix | 200 |
| 16. | Village of Elm Grove | Waukesha | 192 |
| 17. | Village of Nashotah | Waukesha | 191 |
| 18. | City of Delafield | Waukesha | 190 |
| 19. | Village of Wind Point | Racine | 190 |
| 20. | Village of Lisbon | Waukesha | 187 |