Union County, SD Land for Sale

The value of all land and rural real estate for sale in South Dakota's Union County recently was almost $23 million, representing 1,000 acres of land for sale in Union County. Union County is South Dakota's 62nd biggest county (467 square miles). Union County is in the Southeast South Dakota region of South Dakota. To find more land for sale in South Dakota, sign up for the Land And Farm South Dakota 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 land brokers and agents in South Dakota who specialize in selling land, rural acreage and other recreational property in regions throughout South Dakota.