Elk Point is a city in and county seat of Union County, South Dakota, United States. The population was 1,963 as of the 2010 census.
The British established a Hudson's Bay Company trading post in 1755 near present-day Elk Point. Elk Point was so named on account of the abundant elk in the area. The town was incorporated in 1873.
Elk Point is located at 42°41′8″N 96°40′54″W (42.685512, −96.681789). According to the United States Census Bureau, the city has a total area of 1.36 square miles (3.52 km2), all land.
Elk Point has been assigned the ZIP code 57025 and the FIPS place code 18620.
It is part of the Sioux City, IA-NE-SD Metropolitan Statistical Area.
As of the census of 2010, there were 1,963 people, 770 households, and 505 families living in the city. The population density was 1,443.4 inhabitants per square mile (557.3/km2). There were 830 housing units at an average density of 610.3 per square mile (235.6/km2). The racial makeup of the city was 97.0% White, 0.3% African American, 0.6% Native American, 0.2% Asian, 0.8% from other races, and 1.2% from two or more races.