8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gypsum | 1 | 9,498 | 8,098 | 3.04% | 1,074 | 9 | Town |
| Eagle | 2 | 7,308 | 7,512 | -0.56% | 1,251 | 6 | Town |
| Avon | 3 | 5,838 | 6,137 | -1.02% | 702 | 8 | Town |
| Vail | 4 | 4,377 | 4,822 | -1.99% | 930 | 5 | Town |
| Basalt | 5 | 4,004 | 3,987 | 0.07% | 1,979 | 2 | Town |
| Minturn | 6 | 934 | 1,038 | -2.2% | 125 | 7 | Town |
| Red Cliff | 7 | 236 | 260 | -2.07% | 967 | 0 | Town |
| Marble | 8 | 135 | 135 | 0% | 375 | 0 | Town |
Gypsum is the largest city in Eagle County, with a population of 9,498.
Marble is the smallest city in Eagle County, with a population of 135.
There are 8 cities in Eagle County, Colorado.