Welcome to Jefferson County ...

Time Zone: Jefferson County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Port Townsend is the Seat for Jefferson County.

Jefferson County was founded in 1852 and was created by taking area from Thurston County.

From the Census Estimates for 2019, <1> Jefferson had a population of 32,221 people. This is an increase of 7.77% since the last Census (which gave a population of 29,899 people in 2010).

At the time of the 2010 Census, Jefferson represented 0.44% of the total population of Washington.

Websites of Interest ...

• Websites specific to Washington
  • Jump to Cyndi's List
  • Jump to Family Search
  • Jump to Genealogy Trails
  • Website for the Washington State Archives

• Websites specific to Jefferson County
  • Jump to Cyndi's List
  • Jump to Family Search
  • Jump to Genealogy Trails

• Websites for nearby counties
  • Clallam County
    • Jump to Cyndi's List
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    • Jump to Genealogy Trails
  • Grays Harbor County
    • Jump to Cyndi's List
    • Jump to Family Search
    • Jump to Genealogy Trails
  • Island County
    • Jump to Cyndi's List
    • Jump to Family Search
    • Jump to Genealogy Trails
  • Kitsap County
    • Jump to Cyndi's List
    • Jump to Family Search
    • Jump to Genealogy Trails
  • Mason County
    • Jump to Cyndi's List
    • Jump to Family Search
    • Jump to Genealogy Trails

• Cemetery Information and Directories
  • Cemetery Junction: Cemeteries of Washington
  • Cyndi's List
  • Cemeteries of Washington
  • Cemeteries of Jefferson County
  • FamilySearch.org: Cemeteries of Washington
  • Find-A-Grave: Home Page
  • Interment.net
  • Cemeteries of Washington
  • Cemeteries of Jefferson County