Island -- U.S. County in Washington Population (2000): 71558 Housing Units (2000): 32378 Land area (2000): 208.433586 sq. miles (539.840486 sq. km) Water area (2000): 308.953023 sq. miles (800.184622 sq. km) Total area (2000): 517.386609 sq. miles (1340.025108 sq. km) Located within: Washington (WA), FIPS 53 Location: 48.181864 N, 122.587342 W Headwords: Island Island, WA Island County Island County, WA