Massachusetts Gazetteer
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. | Barnstable County | 175 |
| 2. | Norfolk County | 166 |
| 3. | Middlesex County | 160 |
| 4. | Plymouth County | 152 |
| 5. | Nantucket County | 148 |
| 6. | Dukes County | 138 |
| 7. | Essex County | 135 |
| 8. | Worcester County | 114 |
| 9. | Berkshire County | 112 |
| 10. | Bristol County | 110 |
| 11. | Hampshire County | 107 |
| 12. | Franklin County | 92 |
| 13. | Suffolk County | 91 |
| 14. | Hampden County | 84 |
