| County | Total Households | Total Millionaire Households | Percent Millionaire Households |
|---|---|---|---|
| Barnstable County, MA | 124,004 | 4,585 | 3.7% |
| Dukes County, MA | 6,880 | 175 | 2.5% |
| Essex County, MA | 287,450 | 11,525 | 4.0% |
| Middlesex County, MA | 577,022 | 46,780 | 8.1% |
| Nantucket County, MA | 6,080 | 285 | 4.7% |
| Plymouth County, MA | 185,194 | 5,064 | 2.7% |
| Suffolk County, MA | 276,655 | 7,010 | 2.5% |
| Worcester County, MA | 304,338 | 6,583 | 2.2% |
| Total: | 1,767,623 | 82,007 | 4.6% |
