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 land for sale in Mills County recently was almost $144 million, representing a total of 16,060 acres of land for sale in Mills County. Mills County ranks 133rd in the state for the total acreage of land currently advertised for sale. There were four properties listed as sold in Mills County through the Land Network Comparable Sales Program. This represented a total value of $3,740,860. Of all locations in Mills County with farms and ranches for sale, Goldthwaite featured 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 Texas's 213th biggest county (749 square miles). It's located in the Hill Country North Texas region of Texas.