Welcome to Union County ...
Time Zone: Union County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.
The community of Elk Point is the Seat for Union County.
Union County was founded in 1862.
From the Census Estimates for 2019, <1> Union had a population of 15,932 people. This is an increase of 9.94% since the last Census (which gave a population of 14,491 people in 2010).
At the time of the 2010 Census, Union represented 1.78% of the total population of South Dakota.
Below are some of the communities located in Union County:
- Alcester
(13 miles [20.9 km] to the north)
- Beresford
(18 miles [29 km] to the north)
- Beresford is located in Union County (SD)
- Jump to our Gazetteer entry for Beresford
- Population from the 2020 Census: 2,043 people
- Former name for Beresford:
- Paris
- Jump to TripAdvisor's Tourism page for Beresford <2>
- Elk Point
(9 miles [14.5 km] to the south)
- Jefferson
(15 miles [24.1 km] to the south)
- North Sioux City
(22 miles [35.4 km] to the southeast)
- Richland
(346 miles [556.8 km] to the northwest)
- Richland is located in Union County (SD)
- Jump to our Gazetteer entry for Richland
- Population from the 2020 Census: 241 people
Websites of Interest ...
- Websites specific to South Dakota
- Websites specific to Union County
- Websites for nearby counties
- Lincoln County
- Sioux County
- Plymouth County
- Woodbury County
- Dakota County
- Dixon County
- Clay County
- Cemetery Information and Directories
Footnotes ...
| <1> | On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census. |
| <2> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |