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San Juan County

County in Washington State
San Juan County is a county located in the Salish Sea in the far northwestern corner of the U.S. state of Washington. As of the 2020 census, its population was 17,788. The county seat and only incorporated town is Friday Harbor, located on San... Wikipedia
Area: 621 mi²
Population: 18,557 (2021)
Congressional district: 2nd
Founded: October 31, 1873
Largest town: Friday Harbor
Named for: San Juan Islands