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. | Maricopa County | 106 |
| 2. | Pima County | 90 |
| 3. | Coconino County | 87 |
| 4. | Yavapai County | 79 |
| 5. | Pinal County | 74 |
| 6. | Gila County | 73 |
| 7. | Cochise County | 72 |
| 8. | Mohave County | 62 |
| 9. | Yuma County | 58 |
| 10. | Greenlee County | 56 |
| 11. | Graham County | 54 |
| 12. | La Paz County | 51 |
| 13. | Santa Cruz County | 50 |
| 14. | Navajo County | 48 |
| 15. | Apache County | 39 |
