Bellville is a city in the U.S. state of Texas and the seat of Austin County. The city's population was 4,206 at the 2020 census. Bellville is on the eastern edge of the Texas-German belt, and Bellville is known for its German culture and descendants of those Germans still call Bellville home. State Highway 36 and State Highway 159 intersect at Bellville, as do FM 529, FM 1456, and FM 2429.