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. | Clare County | 52 |
| 2. | Ontonagon County | 52 |
| 3. | Oscoda County | 52 |
| 4. | Montmorency County | 53 |
| 5. | Luce County | 53 |
| 6. | Isabella County | 54 |
| 7. | Crawford County | 54 |
| 8. | Lake County | 55 |
| 9. | Iosco County | 57 |
| 10. | Mecosta County | 57 |
| 11. | Menominee County | 57 |
| 12. | Alger County | 57 |
| 13. | Alpena County | 57 |
| 14. | Missaukee County | 58 |
| 15. | Osceola County | 58 |
| 16. | Iron County | 58 |
| 17. | Ogemaw County | 60 |
| 18. | Chippewa County | 61 |
| 19. | Bay County | 61 |
| 20. | Baraga County | 62 |