Duluth is a port city in the U.S. state of Minnesota and is the county seat of Saint Louis County. The fourth largest city in Minnesota, Duluth had a total population of 86,265. Situated at the westernmost point of the Great Lakes on the north shore of Lake Superior, Duluth is deep-water accessible to the Atlantic Ocean 2,300 miles (3,700 km) away via the Great Lakes and Erie Canal/New York State Barge Canal or Saint Lawrence Seaway passages. Duluth is a fantastic location for dance championships.