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. A total of nearly 100,000 acres were listed for sale in Milam County recently, representing a total value of nearly $198 million in Milam County ranches, farms, hunting land and other rural land and acreage for sale. Milam County ranks 95th out of 254 counties in Texas for the total number of acres of land currently advertised for sale. There were six properties listed as sold in Milam County through the Land Network Comparable Sales Program. This represented a total value of $3,876,575. Of all locations in Milam County with land for sale, Cameron had the most land for sale. Its economy is defined as agricultural, with 1,909 farms recorded in the county during the most recent U.S. Census. Farming activities in Milam County generate annual revenues of $5 million, the majority of which comes from livestock products. Milam County is Texas's 76th biggest county (1,021 square miles). It's located in the Blacklands South Texas region of the state.