
Hot Springs County
- State:
- Wyoming
- County Seat:
- Thermopolis
Hot Springs County's estimated 2025 population is 4,737 with a growth rate of 0.81% in the past year according to the most recent United States census data. Hot Springs County is the 22nd largest county in Wyoming. The 2010 population was 4,809 and has seen a growth of -1.5% since that time.