Island County, Washington | |
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Location in the U.S. state of Washington |
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Washington's location in the U.S. |
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Founded | 1852 |
Seat | Coupeville |
Largest city | Oak Harbor |
Area | |
• Total | 517 sq mi (1,339 km2) |
• Land | 208 sq mi (539 km2) |
• Water | 309 sq mi (800 km2), 60% |
Population (est.) | |
• (2015) | 80,593 |
• Density | 381/sq mi (147/km²) |
Congressional district | 68 |
Time zone | Pacific: UTC-8/-7 |
Website | www |
Island County is a county located in the U.S. state of Washington. As of the 2010 census, its population was 78,506. Its county seat is Coupeville, while its largest city is Oak Harbor.
Its 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.
Island County comprises the Oak Harbor, WA Micropolitan Statistical Area, which is also included in the Seattle-Tacoma, WA Combined Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 517 square miles (1,340 km2), of which 208 square miles (540 km2) is land and 309 square miles (800 km2) (60%) is water. It is the second-smallest county in Washington by area.