According to the United States Census Bureau's 2010 census, Marysville has a total area of 20.94 square miles (54.2 km2)—20.68 square miles (53.6 km2) of land and 0.26 square miles (0.67 km2) of water. The city is located in the northwestern part of Snohomish County in Western Washington, approximately 35 miles (56 km) north of Seattle.:3 Marysville's city limits are generally bound to the south by Ebey Slough (part of the Snohomish River delta) and Sopher Hill Road, to the west by Interstate 5 and the Tulalip Indian Reservation, to the north by the city of Arlington, and to the east by the Ce...
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