where is port lavaca
Not to be confused with Lavaca County, Texas. Port Lavaca (/lÉvËÉËkÉ/) is a city in Calhoun County, located in the U.S. state of Texas. The population was 12,248 at the 2010 census. It is the county seat of Calhoun County and part of the Victoria, Texas Metropolitan Statistical Area. Port Lavaca is 130 miles (210 km) southwest of Houston.