Fort Collins Population 2026
Fort Collins has a population of 170,924, making it the #156 biggest city in 🇺🇸 United States, located in Colorado. It is about 52× smaller than New York City, the country's biggest city.
Population (city proper)
170,924
Rank in United States
#156
Coordinates
40.59°N, 105.08°W
~1,525 m elevation · America/Denver
Distance to capital (Washington)
2,395 km
1,487 miles, straight line
Other big cities in Colorado
| City | Population | Rank in United States |
|---|---|---|
| Denver | 729,019 | #19 |
| Colorado Springs | 456,568 | #43 |
| Aurora | 359,407 | #54 |
| Lakewood | 152,597 | #180 |
| Thornton | 133,451 | #210 |
| Westminster | 116,317 | #253 |
| Arvada | 115,368 | #256 |
| Centennial | 109,741 | #283 |
Cities near Fort Collins
FAQ
What is the population of Fort Collins?
Fort Collins has a population of 170,924 (city proper, latest official figure via GeoNames), making it the #156 biggest city in United States.
What state is Fort Collins in?
Fort Collins is located in Colorado, United States.
Is Fort Collins the capital of United States?
No, the capital of United States is Washington D.C., about 2,395 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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