DeKalb County is in Northern Illinois. Of the 102 counties in the Prairie State, DeKalb County is 31st in terms of its size (406,168 acres). A recent survey of Land Network data shows nearly 2,000 acres of farms for sale in Illinois's DeKalb County, which is valued at a combined $53 million. The average price of farmland for sale in DeKalb County was $4 million. Farms for sale in DeKalb County hold 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.