Of 102 counties in the Land of Lincoln, 1,634-square-mile Cook County ranks first by size. Cook County is in the Chicagoland Illinois region. Cook County, Illinois, includes almost 1,000 acres of farms for sale based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here was nearly $5 million. The average price of farms for sale in Cook County was $1 million. Farms for sale in Cook County feature livestock including cattle, horses, 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.