Grundy County is in Northern Illinois. Of the 102 counties in the state, 430-square-mile Grundy County ranks 70th by size. Recent listings of farms for sale in Grundy County, Illinois, totals around 1,000 acres and a combined market value of roughly $12 million. By overall acreage, residential property is the most common type of land for sale in Grundy County. The average price of farmland for sale in Grundy County was $2 million. Farms for sale in Grundy 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.