
Hallettsville
- County:
- Lavaca County
- County Seat:
- Yes
- Area (mi²):
- 2.735
- State:
- Texas
Hallettsville is a city located in Lavaca County, Texas. Hallettsville has a 2025 population of 2,776. It is also the county seat of Lavaca County. Hallettsville is currently growing at a rate of 0.36% annually and its population has increased by 1.83% since the most recent census, which recorded a population of 2,726 in 2020.
The average household income in Hallettsville is $79,196 with a poverty rate of 14.51%. The median age in Hallettsville is 43.5 years: 41.6 years for males, and 48.8 years for females.