Rock Island County is in Western Illinois. Of the 102 counties in the Land of Lincoln, 451-square-mile Rock Island County ranks 62nd by size. A recent survey of Land Network data records approximately 2,000 acres of farms for sale in Illinois's Rock Island County, which is valued at a combined $16 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.