
Erath County
- State:
- Texas
- County Seat:
- Stephenville
Erath County's estimated 2025 population is 44,911 with a growth rate of 0.8% in the past year according to the most recent United States census data. Erath County is the 79th largest county in Texas. The 2010 population was 37,913 and has seen a growth of 18.46% since that time.