King County is a county located in the U.S. state of Washington. The population was 2,269,675 in the 2020 census, making it the most populous county in Washington, and the 12th-most populous in the Un
City Hall Park and King County Courthouse in downtown Seattle
The Cascade Range (including Granite Mountain shown here) dominates the eastern part of King County.
SeaTac is a city in southern King County, Washington, United States. The city is an inner-ring suburb of Seattle and part of the Seattle metropolitan area. The name "SeaTac" is derived from Seattle–Ta