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 overall value of land and rural real estate for sale in Texas's Harris County recently on Land.com was nearly $2 billion. This represents almost 7,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Harris County. Harris County ranks second out of 254 counties in the Lone Star State for the total acreage of land currently advertised for sale. Of all land for sale in Harris County, 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 Texas.