A total of approximately 1,000 acres were listed for sale in Kansas's Doniphan County recently; the value of all Doniphan County land and rural real estate for sale was nearly $7 million. Doniphan County ranks 57th in the Wheat State for the total acreage of land currently advertised for sale. Wathena featured the most land for sale. Doniphan County is the 104th biggest county (398 square miles) in Kansas. It's located in the Wooded Hills Kansas region of the state.