Brenham
- County:
- Washington County
- County Seat:
- Yes
- Area (mi²):
- 13.055
- State:
- Texas
Brenham is a city located in Washington County, Texas. Brenham has a 2026 population of 19,728. It is also the county seat of Washington County. Brenham is currently growing at a rate of 1.9% annually and its population has increased by 13.61% since the most recent census, which recorded a population of 17,364 in 2020.