Land for sale in Harding County recently totaled almost $1 million and approximately 1,000 acres. Harding County ranks 33rd in the state for the combined amount of land currently advertised for sale. Roy had the most land for sale. Agriculture and farming drives the Harding County economy, with 202 farms recorded in the county during the U.S. Census in 2012. Farming activities in Harding County generate annual revenues of $661,000, the majority of which comes from livestock products. Harding County is the 27th biggest county (2,125 square miles) in New Mexico. It's located in the Northeast New Mexico region of New Mexico.