A total of 2,000 acres were listed for sale in DeKalb County, Missouri, recently, representing a combined almost $19 million in DeKalb County farms and ranches for sale. DeKalb County ranks 93rd out of 115 counties in the Show Me State for the total acreage of land currently advertised for sale. Of all locations in DeKalb County with land and rural real estate for sale, Maysville featured the most land for sale. Government and state-level services are the main economic drivers in DeKalb County. DeKalb County is the 106th biggest county (425 square miles) in Missouri. It's located in the Northwest Missouri region of the state.