Douglas County is a county located at the northwest corner of the U.S. state of Wisconsin. As of the 2020 census, the population was 44,295 Its county seat is Superior. Douglas County is included in the Duluth, MN-WI Metropolitan Statistical Area.

Superior is a city in, and the county seat of, Douglas County, Wisconsin, United States. The population was 26,751 at the 2020 census. Located at the western end of Lake Superior in northwestern Wisconsin, the city lies at the junction of U.S. Route 2 and U.S. Route 53 immediately north of, and adjacent to, both the Village of Superior and the Town of Superior.