A total of almost 2,000 acres were listed for sale in West Virginia's Clay County recently, representing a total value of nearly $7 million in Clay County farmsand rural real estate for sale. Clay County ranks 38th in West Virginia for the combined amount of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Clay County, Duck 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 West Virginia's 37th biggest county (343 square miles). It's located in the Southwest West Virginia region of West Virginia.