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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 16,003 people. This is an increase of 11.14% since the last Census (which gave a population of 14,399 people in 2010).

At the time of the 2010 Census, Union represented 1.77% 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)
    • Jump to our Gazetteer entry for Beresford
    • Beresford is located in Union County (SD)
    • 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)
    • Note: The GPS coordinates that we are using for Elk Point have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Elk Point
    • Elk Point is located in Union County (SD)
    • Population from the 2020 Census: 1,874 people
    • Jump to TripAdvisor's Tourism page for Elk Point <2>
  • Jefferson
    (16 miles [25.7 km] to the south)
    • Note: The GPS coordinates that we are using for Jefferson have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Jefferson
    • Jefferson is located in Union County (SD)
    • Population from the 2020 Census: 515 people
    • Jump to TripAdvisor's Tourism page for Jefferson <2>
  • North Sioux City
    (21 miles [33.8 km] to the south)
    • Note: The GPS coordinates that we are using for North Sioux City have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for North Sioux City
    • North Sioux City is located in Union County (SD)
    • Population from the 2020 Census: 2,952 people
    • Jump to TripAdvisor's Tourism page for North Sioux City <2>
  • Richland
    (346 miles [556.8 km] to the northwest)
    • Note: The GPS coordinates that we are using for Richland have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Richland
    • Richland is located in Union County (SD)
    • Population from the 2020 Census: 241 people

Websites of Interest ...

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.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.





 

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This page was last modified/updated: 26 Feb 2024