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.

Washington County is a county in Texas. As of the 2020 census, the population was 35,805. Its county seat is Brenham, which is located along U.S. Highway 290, 72 miles northwest of Houston. The county was created in 1835 as a municipality of Mexico and organized as a county in 1837. It is named for George Washington, the first president of the United States.