There was a combined approximately $4 million of farms, ranches, and rural real estate for sale in Clay County, Kansas, recently on Land.com. The total acreage of all Clay County ranches, farms, hunting land and other rural land and acreage for sale was nearly 1,000 acres. Clay County ranks 78th out of 105 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, Clay Center featured the most land for sale. Clay County is the 73rd largest county (655 square miles) in Kansas. It's located in the Tallgrass Prairie Kansas region of the state.