The Upper Gulf Coast is generally used to refer to the Houston area and its surrounding counties, with a distinct climate and demography from the coastal counties of East and South Texas. The total value of farms, ranches, hunting land and other land for sale in Harris County recently on Land.com was $2 billion. This represents around 7,000 acres of farms and ranches for sale in Harris County. Harris County ranks second out of 254 counties in the Lone Star State for the combined amount of land currently advertised for sale. Among cities in Harris County with land for sale, Houston featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Texas. Harris County is Texas's 15th largest county (1,777 square miles). It's located in the Houston Texas region of the state.