Health insurance in Jefferson County, New York

Reviewed September 4, 2026 · 2024 Census data

Source: US Census Small Area Health Insurance Estimates, 2024 release. Income bands are measured against the federal poverty level.

Half the uninsured here sit in the subsidy range

2,420 uninsured people in Jefferson County earn inside the premium tax credit range — 53% of the county's uninsured. That is near the 51% national median. Within that band, only 5.7% are uninsured, so the credit is reaching most of the people it was built for here.

How many people here have no coverage

5.1% of Jefferson County's 90,815 under-65 residents have no health coverage — 4,588 people. That is close to the New York rate of 5.9%, and puts Jefferson County in the bottom quarter of the 3,143 counties measured nationally (3,016th).

Who falls under the Medicaid line

1,420 of Jefferson County's uninsured — 31%, close to the 31% typical nationally — earn under $22,025 a year, which in New York is Medicaid territory rather than marketplace territory.

The years before Medicare

717 people aged 50 to 64 in Jefferson County have no coverage, a rate of 4.2% — close to the 5.1% across all under-65 residents here. Age-rated premiums make this the most expensive group to cover before Medicare.

Jefferson County against New York

Jefferson County is the 25th largest of the 27 New York counties we publish. Its uninsured rate runs 0.8 points lower than New York overall and 6 points more of its uninsured sit in the subsidy band than statewide. Coverage among 50 to 64 year olds matches the New York picture.

Counties of a similar size

All New York counties · How the credit works · Enrollment dates