Health >> Health Insurance >> Adults >> King County Cities

Adults in SeaTac are 9 times more likely than those in Sammamish to have no health insurance.

Without health insurance, most Americans could not afford adequate health care – including life- and cost-saving preventive care. Those lacking coverage often forego necessary care until a medical crisis forces them to seek expensive and potentially risky emergency treatment. 

As part of a survey conducted by the U.S. Census Bureau, King County adults were asked about their health insurance coverage. Combining data from 2010, 2011, 2012, 16.6% of non-elderly adults in King County did not have health insurance. Rates varied widely across King County, however (from a low of 3.3% in Sammamish to a high of 30.4% in SeaTac).

In Janurary of 2014, about 82,000 uninsured adults became eligible for Medicaid expansion through the Affordable Care Act. Another 103,300 uninsured adults may become eligible for subsidized health insurance. NOTE: This estimate does not exclude residents who are undocumented or do not meet residency requirements. Of adults without coverage, about 4 in 10 may qualify for Medicaid expansion in:

  • SeaTac (48.4%)
  • Burien (46.2%)
  • Federal Way (46.0%)
  • Bothell (44.5%)
  • Kent (42.8%)
  • Auburn (40.6%)
  • Seattle (39.9%)

Another 103,300 uninsured adults may become eligible for subsidized health insurance. NOTE: This estimate does not exclude residents who are undocumented or do not meet residency requirements. At least half of adults without coverage may qualify for subsidized insurance in:

  • Kenmore (62.7%)
  • Maple Valley (56.5%)
  • Inglewood-Finn Hill CDP (56.4%)
  • Renton (55.4%)
  • Kirkland (54.6%)
  • Shoreline (52.9%)

Undocumented immigrants will not qualify for Medicaid expansion or subsidized coverage.

Lawfully present immigrants who have been in the U.S. for less than 5 years will not qualify for Medicaid expansion.

  • However, lawfully present immigrants will be able to purchase coverage through Washington Healthplanfinder.
  • And lawfully present immigrants with incomes below 400% of federal poverty guidelines may be eligible for subsidies.