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. | Somerset County | 52 |
| 2. | Allegany County | 57 |
| 3. | Baltimore city | 71 |
| 4. | Wicomico County | 73 |
| 5. | Dorchester County | 73 |
| 6. | Caroline County | 81 |
| 7. | Garrett County | 83 |
| 8. | Washington County | 86 |
| 9. | Cecil County | 95 |
| 10. | Worcester County | 112 |
| 11. | Prince George's County | 125 |
| 12. | Kent County | 126 |
| 13. | Baltimore County | 129 |
| 14. | St. Mary's County | 138 |
| 15. | Harford County | 141 |
| 16. | Charles County | 146 |
| 17. | Carroll County | 155 |
| 18. | Talbot County | 157 |
| 19. | Frederick County | 160 |
| 20. | Queen Anne's County | 166 |
