
Cheyenne County
- State:
- Colorado
- County Seat:
- Cheyenne Wells
Cheyenne County's estimated 2025 population is 1,719 with a growth rate of -0.23% in the past year according to the most recent United States census data. Cheyenne County is the 59th largest county in Colorado. The 2010 population was 1,833 and has seen a growth of -6.22% since that time.