
Port Lavaca
- County:
- Calhoun County
- County Seat:
- Yes
- Area (mi²):
- 10.151
- State:
- Texas
Port Lavaca is a city located in Calhoun County, Texas. Port Lavaca has a 2025 population of 11,008. It is also the county seat of Calhoun County. Port Lavaca is currently declining at a rate of -0.92% annually and its population has decreased by -4.43% since the most recent census, which recorded a population of 11,518 in 2020.
The average household income in Port Lavaca is $84,082 with a poverty rate of 11.39%. The median age in Port Lavaca is 34.5 years: 34.3 years for males, and 36.3 years for females.