
Fort Collins
- County:
- Larimer County
- County Seat:
- Yes
- Area (mi²):
- 57.234
- State:
- Colorado
Fort Collins is a city located in Larimer County, Colorado. Fort Collins has a 2025 population of 170,638. It is also the county seat of Larimer County. Fort Collins is currently growing at a rate of 0.08% annually and its population has increased by 0.39% since the most recent census, which recorded a population of 169,982 in 2020.
The average household income in Fort Collins is $110,629 with a poverty rate of 15.97%. The median age in Fort Collins is 30.6 years: 30.3 years for males, and 31.1 years for females.