4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Twin Lakes | 1 | 8,082 | 7,552 | 1.66% | 4,922 | 2 | CDP |
| Leadville | 2 | 2,624 | 2,621 | 0% | 2,235 | 1 | City |
| Leadville North | 3 | 2,055 | 2,200 | 0.83% | 839 | 2 | CDP |
| Twin Lakes | 4 | 392 | 182 | 3.7% | 58 | 7 | CDP |
Twin Lakes is the largest city in Lake County, with a population of 8,082.
Twin Lakes is the smallest city in Lake County, with a population of 392.
There are 4 cities in Lake County, Colorado.