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. A combined 7,000 acres were listed for sale in Harris County recently; the overall value of all Harris County land and rural real estate for sale was around $2 billion. 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 farms and ranches 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 biggest county (1,777 square miles). It's located in the Houston Texas region of the state.