Lavaca -- U.S. County in Texas Population (2000): 19210 Housing Units (2000): 9657 Land area (2000): 969.901293 sq. miles (2512.032709 sq. km) Water area (2000): 0.447854 sq. miles (1.159937 sq. km) Total area (2000): 970.349147 sq. miles (2513.192646 sq. km) Located within: Texas (TX), FIPS 48 Location: 29.392154 N, 97.002955 W Headwords: Lavaca Lavaca, TX Lavaca County Lavaca County, TX