Union County, New Jersey Map
Explore Union County, New Jersey with this interactive street and satellite map. Browse all 21 cities and towns in Union County below.
Interactive Map of Union County, New Jersey
| County | Union |
| State | New Jersey (NJ) |
| County Seat | Elizabeth |
| Country | United States of America |
| Latitude | 40.660398 |
| Longitude | -74.310486 |
| Cities & Towns | 21 |
| Area Codes | 201, 551, 862, 908, 973 |
About Union County, New Jersey
Union County occupies a complex wedge of the northern New Jersey piedmont, where the land transitions from the salt-heavy air of the coastal marshes to the firm, rising ground of the interior ridges. The Rahway and Elizabeth rivers carve modest, winding paths through the landscape, feeding into the Arthur Kill, a tidal strait that serves as a hard, industrial boundary against the neighboring state. To the west, the Watchung Mountains rise as a sudden, basalt backbone, creating a natural threshold that breaks the relentless suburban density of the eastern corridor. At dusk, the light catches the metallic sheen of the low-lying wetlands, turning the gray marsh grass into a pale, flickering silver that seems to breathe in unison with the incoming tide.
Union County emerged as a distinct political entity in the mid-nineteenth century, carved from the larger Essex County to satisfy the needs of a growing, restless population eager for local governance. The area had long been a crossroads of colonial activity, marked by the echoes of revolutionary skirmishes that once rattled the quiet settlements of the interior. Elizabeth, serving as the county seat, remains a place defined by its long relationship with the water and its role as a gateway for generations of travelers. Even today, the old stone foundations and narrow, winding street patterns bear witness to a time when the town functioned as a critical colonial hub, its history etched into the very granite of the courthouse square where the shadows grow long and sharp against the pavement.
Industry and transit define the rhythm of the region, where the ceaseless movement of rail lines and highways creates a persistent, low-frequency hum that underpins daily life. The county functions as a dense, multifaceted engine, balancing heavy manufacturing and logistics with residential neighborhoods that cling to the slopes of the mountains or cluster near the transit hubs. People here move with a purposeful, unvarnished energy, their lives played out against a backdrop of refineries and parkland that seem to exist in a perpetual, uneasy balance. On a clear day, the air carries the scent of the sea mixed with the faint, sharp tang of the refineries, a sensory reminder of a place that is neither purely wild nor entirely tamed, but rather a persistent, human-made space that demands a certain grit to navigate.
Cities and Towns in Union County
R
About This Union County Map Page
This page provides an interactive map of Union County, New Jersey alongside links to detailed street maps for 21 cities and towns. The county seat is Elizabeth. Each city and town map page includes live weather, local news and precise GPS coordinates.
The Search Maps button below the county map opens USGS topographic maps and aerial imagery as base layers, with a labelled U.S. National Grid (USNG) overlay, a distance and bearing tool, and a single-fix GPS readout giving your USNG grid reference and latitude and longitude.
Location data is sourced from the USGS GNIS database and verified by coordinates, not name matching alone.
| Page generated | September 2026 |
| Location data | USGS GNIS database; coordinates matched to 2020 US Census records |
