
Stephenville
- County:
- Erath County
- County Seat:
- Yes
- Area (mi²):
- 11.874
- State:
- Texas
Stephenville is a city located in Erath County, Texas. Stephenville has a 2025 population of 22,502. It is also the county seat of Erath County. Stephenville is currently growing at a rate of 1.25% annually and its population has increased by 6.58% since the most recent census, which recorded a population of 21,112 in 2020.
The average household income in Stephenville is $72,689 with a poverty rate of 18.35%. The median age in Stephenville is 26 years: 26.2 years for males, and 25.7 years for females.