Rock Island County is in Western Illinois. Of the 102 counties in the Inland Empire, 288,824-acre Rock Island County ranks 62nd by size. Illinois's Rock Island County includes approximately 2,000 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 $10 million. The average price of farms for sale in Rock Island County was $2 million. Farms for sale in Rock Island 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.