2 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Aspen | 1 | 6,338 | 6,992 | -1.69% | 1,641 | 4 | City |
| Snowmass Village | 2 | 2,877 | 3,020 | -0.83% | 104 | 28 | Town |
Aspen is the largest city in Pitkin County, with a population of 6,338.
Snowmass Village is the smallest city in Pitkin County, with a population of 2,877.
There are 2 cities in Pitkin County, Colorado.