Union County on the map of New Jersey 2024. Cities, roads, borders and directions in Union County of New Jersey.

Union County is a dense suburban county in the northern part of New Jersey. This outstanding county was set up in 1857. The county seat and the largest city is Elizabeth. The population of Union County is about 572 thousand inhabitants. The overall area of the county is 103 square miles. This map shows the borders of Union County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Union County.