Port Orchard is a city in and the county seat of Kitsap County, Washington, United States. It is located 13 miles due west of West Seattle and is connected to Seattle and Vashon Island via the Washington State Ferries run to Southworth. It is named after Port Orchard, the strait that separates Bainbridge Island from the Kitsap Peninsula. The population was 15,587 at the 2020 census, and estimated to be 17,089 in 2022.