Union County, SD Undeveloped Land for Sale

There is around 1,000 acres of undeveloped land for sale in Union County, South Dakota, based on recent Land And Farm data. The combined market value of this land and property for sale is $3 million. The average size of undeveloped land for sale in Union County was 44 acres. Of the 66 counties in the state, Union County ranks 62nd by overall square mileage. Union County is in the Southeast South Dakota region. To find more land for sale in South Dakota, sign up for our South Dakota land-for-sale email alerts and never miss out on new listings for lands for sale in Union County again! You can also search Land And Farm to find South Dakota land brokers and agents who specialize in selling land, rural acreage and other recreational property in regions throughout South Dakota, including farmland for sale in Union County.