The Duluth MN–WI Metropolitan Area,[2] commonly called the Twin Ports, is a small metropolitan area centered around the cities of Duluth, Minnesota and Superior, Wisconsin. The Twin Ports are located at the western part of Lake Superior (the westernmost part of North America's Great Lakes) and together are considered one of the larger cargo ports in the United States.[3] The Twin Ports are close to many natural attractions such as the North Shore, the Apostle Islands, and the Superior National Forest.
Together, the cities rank as the 19th-busiest port in the country overall (44.2 million short tons [40.1 million tonnes] per year) as of 2002, though the area is the 7th-busiest port (13.8 million short tons [12.5 million tonnes] per year) when measured on foreign exports alone.
The census bureau's Twin Ports metropolitan statistical area, an area much larger than the Duluth metropolitan area includes all of Wisconsin's Douglas County, and Minnesota's Carlton and Saint Louis counties. With a 2020 census population of 291,638, the Duluth MSA ranked as the 170th largest metropolitan area in the United States. A tourist location that boasts many scenic natural amenities, approximately 6.7 million tourists visit The City of Duluth each year.
The four tallest buildings are in Duluth, the Alworth Building, Historic Old Central High School, Maurices Headquarters, Medical Arts Building. The Bong Bridge leads to from Duluth to Superior. The Bong bridge was built in 1985 and is 11,800 ft (3,600 m) long. The Blatnik Bridge also leads to from Duluth to Superior. The Blatnik Bridge was built in 1965 and is 7,975 feet (2,431 m) long. Canal Park is a heavy tourist area in Downtown Duluth. In Virginia the tallest bridge in Minnesota (Hwy 53 Bridge) connecting Eveleth to Virginia. The Hwy 53 Bridge covers the Rouchleau Mine. The bridge opened in 2017 and is 204 ft. high in the air and spans 1,125 ft.
The Twin Ports metropolitan statistical area, an area much larger than the Duluth MN–WI metropolitan area, includes 4 counties,[5] of which 3 are in Minnesota and 1 in Wisconsin. St. Louis County is Minnesota's largest county by area.