Photo: House at 1070 Tremont Street, ca. 1896, Port Townsend, WA. Listed on the National Register of Historic Places in 1985. Photographed by User:Jon Roanhaus (own work), 2014, [cc-by-3.0 (creativecommons.org/licenses/by/3.0)], via Wikimedia Commons, accessed August, 2015.
The Jefferson County Courthouse is located at 1820 Jefferson Street, Port Townsend, WA 98368; phone: 360-385-9100.
Jefferson County  is largely a rural County with one incorporated city, Port Townsend, and one Master Planned Resort, Port Ludlow. The County's population is located primarily in the northeast portion of the County, in the communities of Port Townsend, Tri-Area, Quimper, and Port Ludlow. Quilcene and Brinnon are the largest communities in the southern portion of the County.