WA-List » Jefferson County

Jefferson County

FACT SHEET

  • Name origin: Named for Thomas Jefferson (1743-1826), 3rd President of the United States (1801-09)
  • Established: 1852 Dec 22
  • County seat: Port Townsend
  • County government website
  • Upcoming events (via WA-List’s events calendar)
  • Population (2010): 29,872 (Rank: 27 of 39)
  • Area (2010): 1,803.70 square miles (Rank: 18 of 39)
  • Density (2010): 16.6 people per square miles (Rank: 29 of 39)
  • Highest elevation: between 7,969 &  7,980 feet (depending on the source), Mount Olympus’s west peak.

 


Cities and Towns Incorp. Population Area Density Elevation Zip code
(sq miles) (pop/sq miles) (feet)
1. Port Townsend city 1860 9,113 6.98 1,305.8 10 98368

 

Additional facts

  • Jefferson County is one of six Washington counties with only one incorporated city.
  • Jefferson is one of four Washington counties with Pacific Ocean coastline.

Notes

  • This page is updated periodically in an effort to keep information accurate and offer additional data.
  • = link to map
  • All population and area data are from the 2010 United States Census. All population density figures for cities greater than 5,000 people are as well. Densities of smaller towns and cities were calculated separately using US Census data.
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