RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Ohio >> Union County  

Welcome to Union County ...

Time Zone: Union County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Marysville is the Seat for Union County.

Union County was founded April 1, 1820. Union was created by taking area from Delaware, Franklin, Logan and Madison Counties.

From the Census Estimates for 2019, <1> Union had a population of 58,988 people. This is an increase of 12.44% since the last Census (which gave a population of 52,464 people in 2010).

At the time of the 2010 Census, Union represented 0.45% of the total population of Ohio.

Below are some of the communities located in Union County:

  • Magnetic Springs
    (7 miles [11.3 km] to the northeast)
    • Magnetic Springs is located in Union County (OH)
    • Jump to our Gazetteer entry for Magnetic Springs
    • Population from the 2020 Census: 304 people
  • Marysville
    (2 miles [3.2 km] to the south)
  • Milford Center
    (7 miles [11.3 km] to the southwest)
  • Richwood
    (11 miles [17.7 km] to the north)
  • Unionville Center
    (9 miles [14.5 km] to the south)
    • Unionville Center is located in Union County (OH)
    • Jump to our Gazetteer entry for Unionville Center
    • Population from the 2020 Census: 229 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.