DeKalb County is in Northern Illinois. Of the 102 counties in the Land of Lincoln, DeKalb County is 31st in terms of its size (406,168 acres). DeKalb County, Illinois, has 3,000 acres of farms for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was around $60 million. The average price of farmland for sale in DeKalb County was $4 million. Farms for sale in DeKalb County sustain livestock including horses, cattle, goats, sheep and pig. Browse all Illinois farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or individual needs.