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

All 16 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/maine-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Washington County | 12.6 |
| 2 | Piscataquis County | 11 |
| 3 | Aroostook County | 10.8 |
| 4 | Oxford County | 10.6 |
| 5 | Hancock County | 10.4 |
| 6 | Franklin County | 10.2 |
| 6 | Somerset County | 10.2 |
| 8 | Waldo County | 10.1 |
| 9 | Knox County | 9.7 |
| 9 | Lincoln County | 9.7 |
| 11 | Androscoggin County | 8.3 |
| 12 | Penobscot County | 8.2 |
| 13 | Kennebec County | 8.1 |
| 14 | Sagadahoc County | 7.2 |
| 15 | Cumberland County | 6.5 |
| 16 | York County | 6.2 |