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Island County

FACT SHEET

  • Name origin: Name is descriptive of the county which is exclusively islands.
  • Established: 1853 Jan 6
  • County seat: Coupeville
  • County government website
  • Upcoming events (via WA-List’s events calendar)
  • Population (2010): 78,506 (Rank: 14 of 39)
  • Area (2010): 208.45 square miles (Rank: 38 of 39)
  • Density (2010): 376.6 people per square miles (Rank: 5 of 39)
  • Highest elevation: 580 feet, unnamed point on Camano Island, although one source refers to it as Camano Crest. (This is the lowest highpoint among Washington counties.)

 


Cities and Towns Population Area Density Elevation Zip code
(sq miles) (pop/sq miles) (feet)
1. Oak Harbor city 22,075 9.42 2,342.9 15 98277
2. Coupeville town 1,831 1.23 1,488.6 73 98239
3. Langley city 1,035 1.08 958.3 20 98260

 


Additional facts

  • Island County is the 2nd smallest county in Washington, and it has the 5th largest population density.
  • Whidbey Island is the largest island in the state (168.7 square miles). Camano Island is the 5th largest (40.6 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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