Lincoln County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 5,675. The county seat is Hugo. The county obtains its name in memory of the United States President Abraham Lincoln. County was formed from portions of Bent and Elbert counties in 1889 from a restructuring of Colorado counties.

Bent County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 5,650. The county seat and only incorporated municipality is Las Animas. The county is named in honor of frontier trader William Bent.