Island County

Island County is an administrative division in Washington that spans across multiple islands, including Whidbey and Camano. The area is defined by waterways, with its main communities connected by roads that traverse across these islands.

The county was established on December 22, 1852, making it one of Washington's oldest administrative divisions. Originally, the area was much larger and included lands that are now part of other counties.

The county's name reflects its island geography scattered across Puget Sound waters. Communities here maintain strong ties to maritime traditions and waterfront living that shape how residents interact with their surroundings.

Visitors can reach the islands via State Routes 20 and 525 on Whidbey Island and Route 532 on Camano Island. The area also offers free bus service for travel between communities.

The county seat of Coupeville sits within a national historical reserve that preserves early settlement history. Meanwhile, the largest city, Oak Harbor, hosts a major military installation that gives the region its own distinct modern identity.

Location: Washington

Inception: 1853

Capital city: Coupeville

Shares border with: Skagit County, Snohomish County, Jefferson County, Kitsap County, San Juan County

Website: https://islandcountywa.gov

GPS coordinates: 48.15000,-122.58000

Latest update: December 20, 2025 00:19