The central region of Texas covers the state's three largest cities: Houston, Dallas-Fort Worth and San Antonio. The limestone terrain of Texas Hill Country lies in Central Texas, as do the state's three largest rivers, the Trinity, the Brazos and the Colorado. The value of all farms, ranches, and rural real estate for sale in Washington County, Texas, recently was almost $509 million, representing a combined 10,273 acres of land for sale in Washington County. Washington County ranks 38th out of 254 counties in Texas for the total number of acres of land currently advertised for sale. There were eight properties listed as sold in Washington County through the Land Network Comparable Sales Program. This represented a total value of $7,391,923. Of all land and rural real estate for sale in Washington County, Brenham had the most land for sale. Manufacturing and related services are the largest economic sectors in Washington County. Washington County is the 233rd largest county (621 square miles) in Texas. It's located in the Brazos Texas region of the state.