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Island County
Sign in to saveAlso known as Island County, Washington, Island County, WA
county in the state of Washington, United States
Key facts
- Country
- United States
- State
- Washington
- Seat
- Coupeville
- Largest city
- Oak Harbor
- Total
- 517 sq mi (1,340 km )
- Land
- 208 sq mi (540 km )
- Water
- 309 sq mi (800 km ) 60%
- Estimate 2025
- 85,657
- Density
- 381/sq mi (147/km )
- Time zone
- UTC−8 ( Pacific )
- Summer dst
- UTC−7 ( PDT )
- Congressional district
- 2nd
- Website
- islandcountywa .gov
via Wikipedia infobox
~8 min read
Encyclopedic overview
Island County is a county located in the U.S. state of Washington. As of the 2020 census, its population was 86,857. Its county seat is Coupeville, while its largest city is Oak Harbor.
The county's name reflects the fact that it is composed entirely of islands. It contains two large islands, Whidbey and Camano, and seven smaller islands (Baby, Ben Ure, Deception, Kalamut, Minor, Smith, and Strawberry). Island County was created out of Thurston County on December 22, 1852, by the legislature of Oregon Territory, and is the eighth-oldest county in Washington. It originally encompassed what are now Snohomish, Skagit, Whatcom, and San Juan Counties.
Excerpted from Wikipedia’s “Island County” article, available under the CC BY-SA 4.0 licence.