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 combined value of farms, ranches, hunting land and other land for sale in Limestone County, Texas, recently on Land.com was nearly $143 million. This represents around 10,000 acres of farms, ranches, and rural real estate for sale in Limestone County. Limestone County ranks 87th in Texas for the combined amount of land currently advertised for sale. There were four properties listed as sold in Limestone County through the Land Network Comparable Sales Program. This represented a total value of $1,968,593. Of all land and rural real estate for sale in Limestone County, Groesbeck featured the most land for sale. From an economic perspective, government and state-level services contribute most to Limestone County's overall GDP. Limestone County is Texas's 108th biggest county (933 square miles). It's located in the Blacklands North Texas region of the state.