Limon is a statutory town that is the most populous municipality in Lincoln County, Colorado, United States. The population was 2,043 at the 2020 United States Census. Limon lies at the intersection of Interstate 70, U.S. Highways 24, 40, 287, and Colorado Highway 71. The Limon Correctional Facility is part of the Colorado Department of Corrections system and is a major employer in the area with employment of roughly 350.