The total value of farms and rural land for sale in Clay County, West Virginia, recently on Land.com was almost $3 million. This represents approximately 1,000 acres of farms, hunting land and other rural land and acreage for sale in Clay County. Clay County ranks 38th out of 55 counties in the Mountain State for the total acreage of land currently advertised for sale. Of all locations in Clay County with land and rural real estate for sale, Clay featured the most land for sale. Economically speaking, Clay County's is largely dependent on mining and mineral extraction-related businesses and services. Clay County is the 37th largest county (343 square miles) in West Virginia. It's located in the Southwest West Virginia region of the state.