Fort Collins is a home rule municipality in Larimer County, Colorado, United States, and its county seat. The population was 169,810 at the 2020 census, an increase of 17.94% since 2010. Fort Collins is the fourth-most populous city in Colorado. It is the principal city of the Fort Collins metropolitan statistical area, which had 359,066 residents in 2020, and is a major city of the Front Range Urban Corridor. Situated on the Cache La Poudre River along the Colorado Front Range, Fort Collins is located 60 mi (97 km) north of the Colorado State Capitol in Denver. It is a prominent college town, home to Colorado State University, a public research university and the second-largest university by enrollment in Colorado.