A total of approximately 2,000 acres were listed for sale in DeKalb County, Missouri, recently; the combined value of all DeKalb County farms and ranches for sale was around $18 million. DeKalb County ranks 90th 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 land 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 Missouri's 106th largest county (425 square miles). It's located in the Northwest Missouri region of Missouri.