Union County Map
The County of Union is located in the State of New Jersey. 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 555,394 people. The Union County time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).
Nearby counties include Essex County, Hudson County, Middlesex County, Morris County, Somerset County, Richmond County.
Top cities include Elizabeth, Plainfield, Linden, Westfield, Rahway