The total value of farms and rural land for sale in Clay County recently on Land.com was almost $3 million. This represents approximately 1,000 acres of farms and rural land for sale in Clay County. Clay County ranks 48th out of 55 counties in the state for the combined amount of land currently advertised for sale. Among cities in Clay County with land and rural real estate for sale, Procious had 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 biggest county (343 square miles) in West Virginia. It's located in the Southwest West Virginia region of West Virginia.