Union (OH)

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)
- 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)
- Jump to our Gazetteer entry for Marysville
- Marysville is located in Union County (OH)
- Population from the 2020 Census: 24,980 people
- Jump to TripAdvisor's Tourism page for Marysville <2>
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)
- Jump to our Gazetteer entry for Richwood
- Richwood is located in Union County (OH)
- Population from the 2020 Census: 2,554 people
- Jump to TripAdvisor's Tourism page for Richwood <2>
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
- Jump to Cyndi's List
- Jump to Family Search
- Jump to Genealogy Trails
- Website for the //www.ohiohistory.org/learn/archives-library

Websites specific to Union County
- Jump to Cyndi's List
- Jump to Family Search
- Jump to Genealogy Trails

Websites for nearby counties
- Champaign County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Delaware County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Franklin County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Hardin County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Logan County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Madison County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails
- Marion County
  - Jump to Cyndi's List
  - Jump to Family Search
  - Jump to Genealogy Trails

Cemetery Information and Directories
- Cemetery Junction: Cemeteries of Ohio
- Cyndi's List
- Cemeteries of Ohio
- Cemeteries of Union County
- FamilySearch.org: Cemeteries of Ohio
- Find-A-Grave: Home Page
- Interment.net
- Cemeteries of Ohio
- Cemeteries of Union County

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.