 Anacortes' population was 15,778 at the time of the 2010 census.It is one of two principal cities of and included in the Mount Vernon-Anacortes Metropolitan Statistical Area.Anacortes is known for the Washington State Ferries dock and terminal serving Lopez Island, Shaw Island, Orcas Island, and San Juan Island, as well as Victoria, British Columbia (via Sidney, British Columbia) on Vancouver Island.