Gilbert is a city in St. Louis County, Minnesota, United States. The population was 1,799 at the 2010 census. State Highway 37 and State Highway 135 are two of the main routes in Gilbert. Gilbert is part of the Quad Cities, with Virginia, Eveleth, and Mountain Iron. The city is named for Giles Gilbert, who led the exploration of the McKinley mine property in the 1890s.

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.