All Washington Counties

Seattle & King County

King County, Washington

County seat: Seattle

King County is Washington's largest county by population and its economic engine, home to Seattle, Bellevue and the Eastside technology corridor. Aerospace, software, biotech, maritime trade and international tourism converge on Puget Sound here.

Cities, Towns & Communities

21 full community guides available in this county.

Attractions

  • Space Needle
  • Pike Place Market
  • Mount Rainier
  • Museum of Flight
  • Chihuly Garden and Glass

Parks & Recreation

  • Discovery Park
  • Mount Rainier National Park
  • Cougar Mountain Regional Wildland Park
  • Marymoor Park

Transportation

Interstate 5 and Interstate 405 form the regional freeway spine; Link light rail serves Seattle and the Eastside, and Seattle-Tacoma International Airport is the state's main gateway.

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