Jefferson County Washington
Jefferson County Genealogical Society
PO Box 627, Port Townsend, WA 98368-0627
~~Meets 3rd Sat 10 am at Tri-Area Community Center, State Hwy 19 & West Valley Road, Chimacum
Jefferson County was established in 1852 at which time it covered all of the Olympic Peninsula. In 1854, Clallam County was carved out of the northwestern part of Jefferson County.