Marshall County is in Western Illinois. Of the 102 counties in the Inland Empire, Marshall County is 74th in terms of its size (398 square miles). Marshall County, Illinois, includes almost 2,000 acres of farms for sale based on recent Land Network data. The combined market value of land for sale here was roughly $10 million. The average price of farmland for sale in Marshall County was $991,884. Farms for sale in Marshall County hold 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.