La Vernia is a city in Wilson County, Texas, United States. La Vernia is on the south bank of Cibolo Creek at the junction of U.S. Highway 87 and Texas Farm to Market Road 775, approximately 25 miles east of downtown San Antonio. The population was 1,077 at the 2020 census. La Vernia is part of the San Antonio Metropolitan Statistical Area.

Wilson County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 49,753. Its county seat is Floresville. The county is named after James Charles Wilson. Wilson County is part of the San Antonio–New Braunfels, Texas, metropolitan statistical area.