Of 102 counties in the state, Cook County is first in terms of its size (1,634 square miles). Cook County is in the Chicagoland Illinois region. The total value of about 1,000 acres of farms recently listed for sale in Illinois's Cook County was nearly $3 million. The average price of farms for sale in Cook County was $1 million. Farms for sale in Cook County support 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 lifestyle needs.