Greene County is in Western Illinois. Of the 102 counties in the Land of Lincoln, Greene County ranks 48th in terms of size (546 square miles). There is about 1,000 acres of farms for sale in Greene County, Illinois, based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here is almost $4 million. The average price of farmland for sale in Greene County was $744,724. The economy here is principally agricultural. Farms for sale in Greene 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 business or individual needs.