What is now Jefferson County was included in Lewis County, created by the Oregon Provisional Government on December 19, 1845. Lewis County included all of the "Oregon Country" north of the Columbia River, west of the Cowlitz River and the Cascade Mountains, and north to Latitude 54°-40', the southern boundary of the Russian claims in Alaska.
Click here for a history timeline.
Port Townsend, Puget Sound, Washington Territory 1878
The history timeline has the name of each Sheriff (starting in 1853) and events of the time. Our thanks to retired Jefferson County Sheriff Mel Mefford, the Jefferson County and Washington State Historical Societies, and Mr. Phil Kohl of the Jefferson County Genealogical Society.