
Potosi
- County:
- Callahan County
- County Seat:
- No
- Area (mi²):
- 18.346
- State:
- Texas
Potosi is a CDP located in Callahan County, Texas. Potosi has a 2025 population of 5,135. Potosi is currently growing at a rate of 2.86% annually and its population has increased by 30.73% since the most recent census, which recorded a population of 3,928 in 2020.
The average household income in Potosi is $121,964 with a poverty rate of 2.83%. The median age in Potosi is 33.7 years: 39.5 years for males, and 32.6 years for females.