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 ranches, farms, hunting land and other rural land and acreage for sale in Texas's Mills County recently was around $142 million, representing a total of 35,533 acres of land for sale in Mills County. Mills County ranks 109th in the Lone Star State for the total acreage of land currently advertised for sale. There were six properties listed as sold in Mills County through the Lands of America Comparable Sales Program. This represented a total value of $916,954. Of all locations in Mills County with farms and ranches for sale, Goldthwaite had the most land for sale. Mills County has a large agricultural economy, with 870 farms recorded in the county during the latest U.S. Census. Farming activities in Mills County generate annual revenues of $4 million, the majority of which comes from livestock products. Mills County is the 213th biggest county (749 square miles) in Texas. It's located in the Hill Country North Texas region of Texas.