The value of land and rural real estate for sale in Osborne County recently on Land.com was nearly $9 million. This represents approximately 3,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Osborne County. Osborne County ranks 80th in the Sunflower State for the combined amount of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Osborne County, Natoma featured the most land for sale. Osborne County has a large agricultural economy, with 343 farms recorded in the county during the latest U.S. Census. Farming activities in Osborne County generate annual revenues of $8 million, most of which is from crops. Osborne County is Kansas's 35th largest county (894 square miles). It's located in the Tallgrass Prairie Kansas region of Kansas.