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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 El Dorado is the Seat for Union County.

Union County was founded in 1829. Union was created by taking area from Clark and Hempstead Counties.

From the Census Estimates for 2019, <1> Union had a population of 38,682 people. This is a decrease of 6.95% since the last Census (which gave a population of 41,573 people in 2010).

At the time of the 2010 Census, Union represented 1.43% of the total population of Arkansas.

Below are some of the communities located in Union County:

  • Calion
    (9 miles [14.5 km] to the northeast)
    • Calion is located in Union County (AR)
    • Jump to our Gazetteer entry for Calion
    • Population from the 2020 Census: 440 people
  • El Dorado
    (2 miles [3.2 km] to the west)
  • Felsenthal
    (28 miles [45.1 km] to the east)
    • Felsenthal is located in Union County (AR)
    • Jump to our Gazetteer entry for Felsenthal
    • Population from the 2020 Census: 139 people
  • Huttig
    (27 miles [43.5 km] to the southeast)
    • Huttig is located in Union County (AR)
    • Jump to our Gazetteer entry for Huttig
    • Population from the 2020 Census: 526 people
  • Junction City
    (14 miles [22.5 km] to the southwest)
    • Junction City is located in Union County (AR)
    • Jump to our Gazetteer entry for Junction City
    • Population from the 2020 Census: 520 people
  • Norphlet
    (8 miles [12.9 km] to the north)
    • Norphlet is located in Union County (AR)
    • Jump to our Gazetteer entry for Norphlet
    • Population from the 2020 Census: 772 people
  • Smackover
    (12 miles [19.3 km] to the northwest)
  • Strong
    (16 miles [25.7 km] to the southeast)
    • Strong is located in Union County (AR)
    • Jump to our Gazetteer entry for Strong
    • Population from the 2020 Census: 499 people
    • Jump to TripAdvisor's Tourism page for Strong <2>

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.