Washington County is governed by a four-member Commissioners Court, which is composed of the County Judge and four County Commissioners. The County Judge is the presiding officer of the court and is elected county-wide. The four County Commissioners are elected from four single-member districts.

Washington County is located in the central region of Texas. It is bordered by Austin, Brazos, Burleson, Grimes, and Waller counties. The county seat is Brenham. The county was created in 1835. The county is home to the Washington-on-the-Brazos State Historic Site, which is the site of the signing of the Texas Declaration of Independence.

For the most up-to-date and in-depth information, please check the public records links below.