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. There was a combined almost $148 million of farms, ranches, and rural real estate for sale in Mills County, Texas, recently on Land.com. The total of all Mills County land for sale was nearly 100,000 acres. Mills County ranks 141st out of 254 counties in the Lone Star State for the total number of acres of land currently advertised for sale. There were five properties listed as sold in Mills County through the Land Network Comparable Sales Program. This represented a total value of $2,053,560. Of all locations in Mills County with ranches, farms, hunting land and other rural land and acreage for sale, Goldthwaite featured the most land for sale. Agriculture and farming drives the Mills County economy, with 870 farms recorded in the county during the U.S. Census in 2012. Farming activities in Mills County generate annual revenues of $4 million, the majority of which comes from livestock products. Mills County is Texas's 213th biggest county (749 square miles). It's located in the Hill Country North Texas region of the state.