Austin County is a rural, agricultural dominated county in the U.S. state of Texas. As of the 2020 census, the population was 30,167. Its seat is Bellville. The county and region was settled primarily by German emigrants in the 1800s.

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.