Marion County, IL Undeveloped Land for Sale

Recent listings of undeveloped land for sale in Marion County, Illinois, total nearly 1,000 acres and a combined market value of $3 million. The average size of undeveloped land for sale in Marion County was 11 acres. Of the 102 counties in the state, Marion County ranks 42nd in terms of size. Marion 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 get notifications about new land for sale in Marion County matching your search parameters on Land And Farm! You can also search Land And Farm to find Illinois real estate agents who specialize in selling land, rural acreage and other recreational property in regions throughout Illinois, including farmland for sale in Marion County.