Crosby is a city in Crow Wing County, Minnesota, United States.

Crosby is adjacent to its twin city of Ironton, in the Cuyuna iron range.

[6] On February 5, 1924, a new tunnel was blasted too close to nearby Foley Lake, and water rushed in, killing 41 miners.

[7] In August 1957, David G. Simons, a 35-year-old Air Force major, climbed to nearly 102,000 feet (31,000 m) above the earth as part of Project Manhigh.

The flight, which was launched from Crosby's 400-foot-deep (120 m) Portsmouth Mine Pit Lake, helped the United States take its fledgling steps into space exploration.

[8] Crosby is in eastern Crow Wing County at the intersection of Minnesota Highways 6 and 210.

Ironton is adjacent to the west and Deerwood lies to the east along route 210.

Serpent Lake is adjacent to the southeast and the Cuyuna Country State Recreation Area is to the northwest.

23.9% were of German, 14.1% Norwegian, 11.7% Swedish, 9.6% American and 7.0% English ancestry according to Census 2000.