Jefferson County on the map of Washington 2024. Cities, roads, borders and directions in Jefferson County of Washington.

Jefferson County is located in the coastal area of the state of Washington. This interesting county is named after Thomas Jefferson (1743-1826), 3rd U.S. President and principal author of the Declaration of Independence. The county seat of Jefferson County is Port Townsend. The county's area is about 1804 square miles. Founded in 1852, today Jefferson County is home to 33 thousand residents. This map shows the borders of Jefferson County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Jefferson County.