Clay County, IL Undeveloped Land for Sale

Recent listings of undeveloped land for sale in Clay County, Illinois, total approximately 3,000 acres and a combined market value of $12 million. The average size of undeveloped land for sale in Clay County was 563 acres. Of the 102 counties in the state, Clay County ranks 60th in terms of size. Clay County is in the Southern Illinois region. To find more land for sale in Illinois, sign up for our Illinois land-for-sale email alerts to be notified when new listings matching your search criteria come onto the market in Clay County. You can also search Land And Farm to find land brokers and agents in Illinois who specialize in selling land, rural acreage and other recreational property in regions throughout Illinois, including farmland for sale in Clay County.