Wellington is a statutory town in Larimer County, Colorado, United States. The population was 11,047 at the 2020 census. Wellington is situated in the northern part of Colorado, and it is part of the Fort Collins-Loveland Metropolitan Statistical Area.

Larimer County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 359,066. The county seat and most populous city is Fort Collins. The county was named for William Larimer, Jr., the founder of Denver.