2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Aspen | 1 | 6,447 | 6,992 | -1.66% | 1,669 | 4 | City |
| Snowmass Village | 2 | 2,901 | 3,020 | -0.82% | 104 | 28 | Town |
Aspen is the largest city in Pitkin County, with a population of 6,447.
Snowmass Village is the smallest city in Pitkin County, with a population of 2,901.
There are 2 cities in Pitkin County, Colorado.