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 59,054 people. This is an increase of 12.91% since the last Census (which gave a population of 52,300 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)
- Jump to our Gazetteer entry for Magnetic Springs
- Magnetic Springs is located in Union County (OH)
- 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)
- Note: The GPS coordinates that we are using for Milford Center have been provided by the GNIS.<3> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Milford Center
- Milford Center is located in Union County (OH)
- Population from the 2020 Census: 927 people
- Jump to TripAdvisor's Tourism page for Milford Center <2>
- Richwood
(11 miles [17.7 km] to the north)
- Unionville Center
(9 miles [14.5 km] to the south)
- Note: The GPS coordinates that we are using for Unionville Center have been provided by the GNIS.<3> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Unionville Center
- Unionville Center is located in Union County (OH)
- Population from the 2020 Census: 229 people
Websites of Interest ...
- Websites specific to Ohio
- Websites specific to Union County
- Websites for nearby counties
- Champaign County
- Delaware County
- Franklin County
- Hardin County
- Logan County
- Madison County
- Marion 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. |
<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. |