Brazos County is in Brazos Texas. Of the 254 counties in the Lone Star State, Brazos County ranks 236th in terms of size (591 square miles). The most common type of land for sale by combined acreage in Brazos County is residential property. Browse all Brazos County forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs. 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.