Island County Map, Washington


Written and Fact-checked by | Updated On: February 17, 2026, 14:47 ET

Map of Island County - Island County is a county located in the U.S. state of Washington. Island County Map showing cities, highways, important places and water bodies. Get Where is Island County located in the map, major cities in Island county, population, areas, and places of interest.

Map of Island County, Washington

Map of Island County, Washington

About Island County Map, Alabama: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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  • About Island County, Washington

    Island County is located in the northwestern part of Washington, United States, and consists primarily of Whidbey Island and Camano Island in Puget Sound. Established in 1853, it is one of the original counties created in Washington Territory. The county seat is Coupeville, while Oak Harbor is the largest city and an important center for commerce and military activity.

    Population

    According to the United States Census Bureau, the population of Island County was 86,857 as recorded in the 2020 Census. The county’s population is concentrated on Whidbey Island, particularly in Oak Harbor and surrounding communities.

    Area and Geography

    According to the United States Census Bureau, Island County covers a total area of approximately 517 square miles, including about 208 square miles of land and 309 square miles of water. The county is characterized by coastal shorelines, marine waterways, and island landscapes within Puget Sound.

    Bordering Counties

    Island County shares marine boundaries with Snohomish County to the east, Skagit County to the north, Jefferson County to the west, and Kitsap County to the south.

    Major Cities and Communities

    The principal communities in Island County include Oak Harbor, Coupeville, Langley, and Camano Island. Oak Harbor is the largest city and home to Naval Air Station Whidbey Island, a significant military installation in the region.

    Attractions and Recreation

    Island County offers scenic coastal views, beaches, and state parks. Deception Pass State Park is one of the most visited parks in Washington, known for its dramatic cliffs and water views. Outdoor recreation includes boating, fishing, hiking, and wildlife observation throughout the islands.

    Transportation

    Major transportation access to Island County includes State Route 20 via Deception Pass Bridge and State Route 525 connecting to ferry services linking the county with other parts of Washington.

    Explore more counties in Washington Counties or view the complete USA States Map section for additional geographic information.

    Sources:

    Population and area data sourced from the United States Census Bureau (2020 Census). General county information referenced from the Official Island Cou

    Facts about Island County, Washington

    CountryUnited States
    StateWashington
    RegionNorthwestern Washington
    County SeatCoupeville
    Named AfterIts island geography (Whidbey and Camano islands)
    Established1852
    Organized1852
    Coordinates48.1600° N, 122.5000° W
    Total Area517 sq mi
    Land Area208 sq mi
    Water Area309 sq mi
    Population (2020)86,857
    Population RankMid-sized county in Washington
    Largest CityOak Harbor
    Main IndustriesMilitary, Tourism, Agriculture, Retail
    Major TransportationDeception Pass Bridge, Washington State Ferries
    Time ZonePacific Time (UTC−08:00)
    Known ForWhidbey Island, Naval Air Station Whidbey Island, Coastal scenery
    Websitehttps://www.islandcountywa.gov

    Top Attractions in Island County, Washington

    • Deception Pass State Park – Iconic bridge, trails, and beaches.
    • Whidbey Island – Coastal scenery and small towns.
    • Coupeville Historic District – Waterfront village and history.
    • Ebey’s Landing National Historical Reserve – Bluff trails and views.
    • Fort Casey Historical State Park – Coastal fort and lighthouse.
    • Fort Ebey State Park – Hiking and shoreline access.
    • Langley Village – Shops, dining, and waterfront charm.
    • Admiralty Head Lighthouse – Historic lighthouse views.
    • Meerkerk Gardens – Rhododendron and woodland gardens.
    • Joseph Whidbey State Park – Forest trails and beach.
    • Penn Cove – Scenic bay and mussel farms.
    • Windjammer Park – Coupeville waterfront park.

    Cities & Towns in Island County, Washington

    Coupeville, Oak Harbor, Langley, Freeland, Camano, Clinton, Island County Rural Communities