Elk Point, SD
Elk Point is a city in Union County, South Dakota, United States. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. The population was 1,963 as of the 2010 census. It is the county seat of Union County.
Elk Point is located at 42°41′8″N 96°40′54″W / 42.68556°N 96.68167°W / 42.68556; -96.68167 (42.685512, -96.681789).
According to the United States Census Bureau, the city has a total area of 1.3 square miles (3.5 km²), all of it land.