Welcome to Washington County! Washington County is in the Blackland Prairies region of southeast central Texas. The center of the county is at 30°14' north latitude and 96°24' west longitude.

Brenham, the seat of government, is near the county's center and seventy-five air miles east of Austin. The county was named for George Washington, the first president of the United States. Washington County encompasses 611 square miles of gently rolling land with elevations ranging between 200 to 500 feet above sea level.