Explore Sussex County, New Jersey with this interactive street and satellite map. Browse all 33 cities and towns in Sussex County below.
| County | Sussex |
| State | New Jersey (NJ) |
| County Seat | Newton |
| Country | United States of America |
| Latitude | 41.106865 |
| Longitude | -74.689845 |
| Cities & Towns | 33 |
| Area Codes | 732, 848, 862, 908, 973 |
Sussex County occupies the rugged northwestern corner of New Jersey, defined by the sharp transition from the broad, limestone-rich valleys to the steep, quartzite ridges of the Appalachian chain. The Delaware River forms a formidable western boundary, carving a deep, serpentine trench through the bedrock, while the limestone valleys provide a fertile floor for a landscape that favors granite outcroppings and deep, hemlock-shaded ravines. Here, the air holds a distinct, metallic sharpness during the transition of seasons, and the light at dusk has a way of lingering against the jagged spine of the mountains, turning the pervasive gray stone into a soft, bruised violet. The topography functions as a physical barrier against the sprawl of the eastern metropolitan corridor, creating a distinct geological basin where cold air settles into the hollows long before the first frost arrives.
Sussex County emerged as a formal political entity in the mid-eighteenth century, partitioned from a larger territory to accommodate the needs of settlers drawn by the promise of iron ore and abundant water power. The county seat was established at a central crossroads, a selection driven by the necessity of managing the rugged, often inaccessible reaches of the interior where surveyors and frontiersmen contended with dense forests and difficult terrain. Early life here was defined by the extraction of subterranean wealth, with forges and furnaces utilizing the local timber to fuel a burgeoning industrial ambition. The architecture of these original centers reflects a utilitarian austerity, where heavy stone foundations and thick wooden frames were built not for ornament, but to withstand the relentless pressure of winter winds sweeping down from the north.
Economic life today maintains a quiet tension between the remnants of an agrarian past and the modern requirements of a commuter population. Farmers continue to manage the heavy, clay-rich soil, harvesting hay and corn in fields that are often flanked by the skeletal remains of nineteenth-century mining operations. The character of the region is defined by a certain independence, a byproduct of living on the edge of a high-density state where the silence of a deep wood is only ever broken by the seasonal migration of raptors along the ridgelines. Residents move through the day with a deliberate pace, governed by the winding, narrow roads that follow the path of least resistance through the mountains. In the quiet hours of the early morning, the mist clings to the low-lying meadows in thick, white ribbons, obscuring the horizon until the sun burns through to reveal a landscape that feels entirely apart from the frantic energy of the coast.
This page provides an interactive map of Sussex County, New Jersey alongside links to detailed street maps for 33 cities and towns. The county seat is Newton. 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 |