Health insurance in Snohomish County, Washington

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.

How many here a premium tax credit would reach

Snohomish County has 27,177 uninsured residents earning inside the premium tax credit range, 49% of its uninsured total. That is near the 51% national median. Within that band itself, 11.9% have no coverage.

How many people here have no coverage

7.6% of Snohomish County's 733,029 under-65 residents have no health coverage — 56,032 people. That is close to the Washington rate of 7.8%, and puts Snohomish County in the lower half of the 3,143 counties measured nationally (2,304th).

Who falls under the Medicaid line

12,827 of Snohomish County's uninsured — 23%, below the 31% typical of counties nationally — earn under $22,025 a year, which in Washington is Medicaid territory rather than marketplace territory.

The years before Medicare

9,759 people aged 50 to 64 in Snohomish County have no coverage, a rate of 6.2% — close to the 7.6% across all under-65 residents here. Age-rated premiums make this the most expensive group to cover before Medicare.

Snohomish County against Washington

Snohomish County is the 3rd largest of the 14 Washington counties we publish. Its uninsured rate tracks the state almost exactly and 2 points fewer of its uninsured sit in the subsidy band than statewide. Coverage among 50 to 64 year olds matches the Washington picture.

The nearest by population

All Washington counties · How the credit works · Enrollment dates