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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 Jonesboro is the Seat for Union County.

Union County was founded in 1818 and was created by taking area from Johnson County.

From the Census Estimates for 2019, <1> Union had a population of 16,693 people. This is a decrease of 6.26% since the last Census (which gave a population of 17,808 people in 2010).

At the time of the 2010 Census, Union represented 0.14% of the total population of Illinois.

Below are some of the communities located in Union County:

  • Alto Pass
    (8 miles [12.9 km] to the northwest)
    • Note: The GPS coordinates that we are using for Alto Pass have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Alto Pass
    • Alto Pass is located in Union County (IL)
    • Population from the 2020 Census: 360 people
    • Jump to TripAdvisor's Tourism page for Alto Pass <3>
  • Anna
    (Less than 2 miles to the southeast)
    • Jump to our Gazetteer entry for Anna
    • Anna is located in Union County (IL)
    • Population from the 2020 Census: 4,059 people
    • Jump to TripAdvisor's Tourism page for Anna <3>
  • Cobden
    (4 miles [6.4 km] to the north)
    • Note: The GPS coordinates that we are using for Cobden have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Cobden
    • Cobden is located in Union County (IL)
    • Population from the 2020 Census: 1,053 people
    • Jump to TripAdvisor's Tourism page for Cobden <3>
  • Dongola
    (8 miles [12.9 km] to the southeast)
    • Note: The GPS coordinates that we are using for Dongola have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Dongola
    • Dongola is located in Union County (IL)
    • Population from the 2020 Census: 672 people
    • Jump to TripAdvisor's Tourism page for Dongola <3>
  • Jonesboro
    (Less than 2 miles to the southwest)
    • Note: The GPS coordinates that we are using for Jonesboro have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Jonesboro
    • Jonesboro is located in Union County (IL)
    • Population from the 2020 Census: 1,677 people
    • Jump to TripAdvisor's Tourism page for Jonesboro <3>
  • Mill Creek
    (8 miles [12.9 km] to the south)
    • Jump to our Gazetteer entry for Mill Creek
    • Mill Creek is located in Union County (IL)
    • Population from the 2020 Census: 64 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>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.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.





 

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This page was last modified/updated: 26 Feb 2024