Warren County is in Western Illinois. Of the 102 counties in the Inland Empire, Warren County ranks 49th in terms of size (347,534 acres). Warren County, Illinois, includes approximately 2,000 acres of farms for sale based on recent Land Network data. The combined market value of land for sale here was roughly $7 million. The average price of farms for sale in Warren County was $1 million. Farms for sale in Warren 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.