A combined nearly 4,000 acres were listed for sale in Illinois's DeKalb County recently; the overall value of all DeKalb County farms, hunting land and other rural land and acreage for sale was approximately $115 million. DeKalb County ranks 17th in the Land of Lincoln for the total acreage of land currently advertised for sale. There were two properties listed as sold in DeKalb County through the Land Network Comparable Sales Program. This represented a total value of $645,000. Of all farms and rural real estate for sale in DeKalb County, Sycamore featured the most land for sale. Government and state-level services are the main economic drivers in DeKalb County. DeKalb County is the 31st largest county (634 square miles) in Illinois. It's located in the Northern Illinois region of Illinois.