There was a combined almost $3 million of land for sale in Kearny County, Kansas, recently on Land.com. The total size of all Kearny County land for sale was almost 1,000 acres. Kearny County ranks 91st in the state for the total number of acres of land currently advertised for sale. Among cities in Kearny County with land for sale, Lakin featured the most land for sale. Kearny County has a large agricultural economy, with 343 farms recorded in the county during the latest U.S. Census. Farming activities in Kearny County generate annual revenues of $11 million, the majority of which comes from livestock products. Kearny County is the 38th biggest county (870 square miles) in Kansas. It's located in the High Plains Kansas region of Kansas.