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. | Leelanau County | 149 |
| 2. | Livingston County | 141 |
| 3. | Oakland County | 131 |
| 4. | Washtenaw County | 120 |
| 5. | Clinton County | 116 |
| 6. | Grand Traverse County | 111 |
| 7. | Emmet County | 109 |
| 8. | Charlevoix County | 107 |
| 9. | Antrim County | 99 |
| 10. | Ottawa County | 97 |
| 11. | Kent County | 95 |
| 12. | Benzie County | 94 |
| 13. | Midland County | 92 |
| 14. | Kalamazoo County | 91 |
| 15. | Berrien County | 90 |
| 16. | Cass County | 89 |
| 17. | Barry County | 88 |
| 18. | Monroe County | 87 |
| 19. | Macomb County | 85 |
| 20. | Allegan County | 85 |