Union County is the southernmost county in the U.S. state of South Dakota. As of the 2020 census, the population was 16,811, making it the 13th most populous county in South Dakota. Its county seat has been Elk Point since April 30, 1865. Originally named Cole County, its name was changed to Union on January 7, 1864, because of Civil War sentiment.
AdSearch property rentals in SouthDakota by city or zip code. View the latest price drops. View floor plans, features & amenities. Explore the neighborhood by watching real videos.
View Livability Scores · Compare Nearby Homes · Find Local Experts
Types: Single Family Homes, Condos, Townhouses, Homes, Houses, Foreclosed Homes