Land for sale in Clay County, Arkansas, recently totaled around $49 million and 6,000 acres. Clay County ranks 46th in the Wonder State for the total number of acres of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Clay County, Piggott had the most land for sale. Agriculture and farming drives the Clay County economy, with 610 farms recorded in the county during the U.S. Census in 2012. Farming activities in Clay County generate annual revenues of $3 million, most of which is from crops. Clay County is the 42nd biggest county (641 square miles) in Arkansas. It's located in the Delta Arkansas region of Arkansas.