# Counties in Massachusetts by uninsured rate, ages 18 to 64 (US model-based estimate), 2024

All 14 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `uninsured_rate_18_64`
- Unit: %
- Definition: People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.
- Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/uninsured-rate-ages-18-64/massachusetts-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Dukes County | 5.5 |
| 2 | Bristol County | 5 |
| 3 | Hampden County | 4.5 |
| 4 | Nantucket County | 4.3 |
| 5 | Essex County | 4.2 |
| 6 | Suffolk County | 4 |
| 7 | Worcester County | 3.7 |
| 8 | Berkshire County | 3.6 |
| 8 | Franklin County | 3.6 |
| 8 | Plymouth County | 3.6 |
| 11 | Barnstable County | 3.4 |
| 12 | Middlesex County | 3.3 |
| 13 | Hampshire County | 3 |
| 14 | Norfolk County | 2.7 |