Union County Map
The County of Union is located in the State of Ohio. Find directions to Union County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Union County population is estimated at 60,021 people. The Union County time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).
Nearby counties include Champaign County, Delaware County, Franklin County, Hardin County, Logan County, Madison County, Marion County.
Top cities include Marysville, Richwood, Milford Center, Magnetic Springs, Unionville Center