Pierce County, Washington
Pierce County is a county in the U.S. state of Washington. As of the 2020 census, the population was 921,130, up from 795,225 in 2010, making it the second-most populous county in Washington, behind King County, and the 59th-most populous in the United States. The county seat and largest city is Tacoma. Formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory, it was named for U.S. President Franklin Pierce. Pierce County is in the Seattle metropolitan area.
Old City Hall in Tacoma.
Mount Rainier from Ricksecker Point, 1932
Tacoma—seat of Pierce County
King County is 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 United States. The county seat is Seattle, also the state's most populous city.
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.