
Smithville
- County:
- Bastrop County
- County Seat:
- No
- Area (mi²):
- 4.06
- State:
- Texas
Smithville is a city located in Bastrop County, Texas. Smithville has a 2025 population of 4,242. Smithville is currently growing at a rate of 1.39% annually and its population has increased by 7.34% since the most recent census, which recorded a population of 3,952 in 2020.
The average household income in Smithville is $87,111 with a poverty rate of 16.12%. The median age in Smithville is 44.4 years: 46.3 years for males, and 41.8 years for females.