Island County, Washington

Island County is a county in Washington with an estimated population of 86,267 in 2023. 3 cities, towns and Census places in it are indexed here.

Largest places in Island County

About Island County

Island County is one of the counties of Washington. County governments in Washington handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.