Rock Island County is in Western Illinois. Of the 102 counties in the Prairie State, 288,824-acre Rock Island County ranks 62nd by size. The total value of roughly 2,000 acres of farms recently listed for sale in Illinois's Rock Island County was $10 million. The average price of farmland for sale in Rock Island County was $2 million. Farms for sale in Rock Island County feature 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.