The value of all ranches, farms, hunting land and other rural land and acreage for sale in Missouri's DeKalb County recently was $18 million, representing a combined 1,694 acres of land for sale in DeKalb County. DeKalb County ranks 91st out of 115 counties in the state for the total number of acres of land currently advertised for sale. Of all locations in DeKalb County with farms, ranches, and rural real estate for sale, Maysville had the most land for sale. Government and state-level services are the main economic drivers in DeKalb County. DeKalb County is the 106th largest county (425 square miles) in Missouri. It's located in the Northwest Missouri region of the state.