Carlton County is a county in the State of Minnesota, formed in 1857. As of the 2020 census, the population was 36,207. Its county seat is Carlton. Part of the Fond du Lac Indian Reservation lies in northeastern Carlton County.

Minnesota State Highway 210 (MN 210) is a state highway in west-central, central, and northeast Minnesota, which runs from North Dakota Highway 210 (ND 210) at the North Dakota state line, and continues east to its eastern terminus at its intersection with MN 23 in Duluth near the Saint Louis River.