Jefferson County, Administrative division in western Washington, United States.
Jefferson County extends across 2,183 square miles of land, encompassing the Olympic National Park and numerous coastal communities along the Pacific Ocean.
The county was established in 1852 and named after President Thomas Jefferson, becoming one of the first counties created in Washington Territory.
The Jefferson County Public Library system maintains multiple branches that provide educational resources and community programs for residents throughout the region.
The Department of Administrative Services manages essential functions including human resources, payroll processing, and coordination of workers compensation for county employees.
The county contains extensive networks of hiking trails within Olympic National Park, connecting mountain ranges to coastal areas through preserved wilderness.
Location: Washington
Inception: 1852
Capital city: Port Townsend
Shares border with: Island County, Kitsap County, Mason County, Grays Harbor County, Clallam County, San Juan County, Capital Regional District
Website: http://co.jefferson.wa.us
GPS coordinates: 47.84000,-123.58000
Latest update: May 27, 2025 08:46
Olympic National Park
20.1 km
Olympic Mountains
18.9 km
USS Triton
77.2 km
Mount Olympus
10.7 km
Hood Canal Bridge
71.4 km
Fort Worden
69.2 km
USS Turner Joy
78.1 km
Fort Casey
76.3 km
Ruby Beach
64.1 km
Elwha Dam
28.5 km
Olympic Hot Springs
16.5 km
La Push Beach
78.3 km
Fort Flagler Historical State Park
73.3 km
Manis Mastodon Site
41.7 km
Sol Duc Hot Springs
17.5 km
Mount Ellinor
42.8 km
Glines Canyon Dam
18.1 km
Fort Ebey State Park
79.2 km
Dosewallips State Park
53.1 km
Mount Constance
34.7 km
Marymere Falls
28.1 km
Blue Glacier
9 km
Hall of Mosses Trail
26.1 km
Mount Storm King
26.8 km
Dungeness National Wildlife Refuge
37.5 km
Scenic Beach State Park
58.9 km
Mount Washington
42.5 km
Puget Sound Naval Shipyard Historic District
77.2 kmReviews
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