3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cheyenne Wells | 1 | 711 | 756 | -1.25% | 664 | 1 | Town |
| Kit Carson | 2 | 242 | 259 | -1.63% | 409 | 1 | Town |
| Arapahoe | 3 | 26 | 56 | 8.33% | 94 | 0 | CDP |
Cheyenne Wells is the largest city in Cheyenne County, with a population of 711.
Arapahoe is the smallest city in Cheyenne County, with a population of 26.
There are 3 cities in Cheyenne County, Colorado.