Hermantown is a city in Saint Louis County, Minnesota, United States. The population was 10,221 at the 2020 census. A suburb of Duluth, it was at one point the county's only city to grow in population, as much of the area's residential and commercial expansion occurred there. Hermantown is near the tip of Lake Superior.

St. Louis County is a county located in the Arrowhead Region of the U.S. state of Minnesota. As of the 2020 census, the population was 200,231. Its county seat is Duluth. It is the largest county in Minnesota by land area, and the largest in the United States by total area east of the Mississippi River. St. Louis County is included in the Duluth, MN–Superior, WI Metropolitan Statistical Area.