Land for sale in Gray County, Kansas, recently totaled almost $9 million and 2,000 acres. Gray County ranks 58th out of 105 counties in the Wheat State for the total number of acres of land currently advertised for sale. Among cities in Gray County with farms, ranches, hunting land and other land for sale, Cimarron had the most land for sale. Agriculture and farming drives the Gray County economy, with 418 farms recorded in the county during the U.S. Census in 2012. Farming activities in Gray County generate annual revenues of $14 million, the majority of which comes from livestock products. Gray County is the 39th biggest county (869 square miles) in Kansas. It's located in the High Plains Kansas region of Kansas.