The county of San Juan is located in Washington and was founded in 1873. There are 16,339 residents in San Juan who have access to courthouses in Friday Harbor. In general, each county has a full set of courts, from traffic court to superior and appellate court; supreme courts are usually located in the state capital. Washington is part of the 9th federal circuit court as well.
There are 2,162 residents in Friday Harbor, which is 2.2 square miles and 59ft above sea level. It was settled in February 10, 1909 and is governed by a local government.