8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gypsum | 1 | 9,778 | 8,098 | 2.95% | 1,106 | 9 | Town |
| Eagle | 2 | 7,267 | 7,512 | -0.56% | 1,244 | 6 | Town |
| Avon | 3 | 5,778 | 6,137 | -1.03% | 695 | 8 | Town |
| Vail | 4 | 4,288 | 4,822 | -2.03% | 911 | 5 | Town |
| Basalt | 5 | 4,008 | 3,987 | 0.1% | 1,981 | 2 | Town |
| Minturn | 6 | 913 | 1,038 | -2.25% | 122 | 7 | Town |
| Red Cliff | 7 | 231 | 260 | -2.12% | 947 | 0 | Town |
| Marble | 8 | 135 | 135 | 0% | 375 | 0 | Town |
Gypsum is the largest city in Eagle County, with a population of 9,778.
Marble is the smallest city in Eagle County, with a population of 135.
There are 8 cities in Eagle County, Colorado.