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 farms, ranches, and rural real estate for sale in Grimes County recently was around $470 million, representing a combined 17,480 acres of land for sale in Grimes County. Grimes County ranks 41st out of 254 counties in Texas for the total acreage of land currently advertised for sale. There were four properties listed as sold in Grimes County through the Land Network Comparable Sales Program. This represented a total value of $1,191,000. Among cities in Grimes County with land for sale, Plantersville featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Grimes County. Grimes County is the 203rd largest county (801 square miles) in Texas. It's located in the Brazos Texas region of the state.