Massachusetts Counties by Uninsured Rate
The uninsured rate is the share of the population with no health insurance coverage — influenced heavily by Medicaid eligibility and employer coverage.
All 14 counties ranked by Uninsured Rate, from lowest to highest. Click the column header to reverse sort order. Data from the U.S. Census Bureau, ACS 5-Year Estimates, 2023.
| # | Counties | Uninsured Rate ↑ |
|---|---|---|
| 1 | Dukes County, Massachusetts | 0.0% |
| 2 | Bristol County, Massachusetts | 0.0% |
| 3 | Essex County, Massachusetts | 0.0% |
| 4 | Suffolk County, Massachusetts | 0.0% |
| 5 | Middlesex County, Massachusetts | 2.4% |
| 6 | Plymouth County, Massachusetts | 2.5% |
| 7 | Worcester County, Massachusetts | 2.6% |
| 8 | Barnstable County, Massachusetts | 2.8% |
| 9 | Nantucket County, Massachusetts | 3.1% |
| 10 | Hampden County, Massachusetts | 3.1% |
| 11 | Norfolk County, Massachusetts | 4.1% |
| 12 | Hampshire County, Massachusetts | 4.5% |
| 13 | Franklin County, Massachusetts | 4.7% |
| 14 | Berkshire County, Massachusetts | 8.9% |