Union County, IL Undeveloped Land for Sale

The total value of 1,000 acres of undeveloped land recently listed for sale in Union County, Illinois, is $236,500. The average size of undeveloped land for sale in Union County was six acres. Of the 102 counties in the state, Union County is 71st in terms of its size. Union 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 Union County. You can also search Land And Farm to find real estate agents in Illinois who specialize in selling land, rural acreage and other recreational property in regions throughout Illinois, including farmland and other rural property for sale in Union County.