WA-List » Kitsap County

Kitsap County

FACT SHEET

  • Name origin: Named for Kitsap (d.1860), a Suquamish chief.
  • Established: 1857 Jan 16
  • County seat: Port Orchard
  • County government website
  • Upcoming events (via WA-List’s events calendar)
  • Population (2010): 251,133 (Rank: 7 of 39)
  • Area (2010): 394.94 square miles (Rank: 36 of 39)
  • Density (2010): 635.9 people per square miles (Rank: 3 of 39)
  • Highest elevation: 1,761 feet, Gold Mountain.  (This is the third-lowest county highpoint in the state.)

 


Cities and Towns Population Area Density Elevation Zip code
(sq miles) (pop/sq miles) (feet)
1. Bremerton city 37,729 28.41 1,328.2 30 983**
2. Bainbridge Island city 23,025 27.61 833.9 30 98110
3. Port Orchard city 11,144 7.24 1,539.4 15 983**
4. Poulsbo city 9,200 4.67 1,970.0 20 98370

Unincorporated community (CDP)  among the 20 largest in the state (with 2010 population):

  • Silverdale, 19,204

Additional facts

  • Kitsap County is the 4th smallest county in Washington, and has the 3rd largest population density.
  • Bainbridge Island is the 8th largest island in the state (27.6 square miles).

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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