Explore Twin Rivers, New Jersey, with this interactive street and satellite map.
This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.
This interactive map shows the street layout and satellite imagery for Twin Rivers, New Jersey. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of New Jersey or beyond.
Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).
TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Twin Rivers.
Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.
Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.
| City | Twin Rivers |
| State | New Jersey (NJ) |
| County | Mercer County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.263999 |
| Longitude | -74.491264 |
| Population | 7,787 |
| Density | 2380.5 /km² |
| Incorporated | N/A |
| ZIP Code | 08520 |
| Area Code | 609, 640 |
| County Seat | Trenton |
| School District | East Windsor Regional School District |
Twin Rivers emerges from the quiet expanse of the interior plains, defined by the steady, persistent flow of Timber Run. It lies 2.5 miles east-southeast of East Windsor, NJ (from East Windsor, NJ: bearing 104°T), and is situated 4.4 miles south-southwest of Monroe Middlesex County. The local landscape remains defined by the presence of Etra Lake, which provides a reflective surface for the changing light of the seasons only a mile from the center. Beyond the immediate development, the horizon offers the distant, hazy silhouette of the Mount Pleasant Hills, reminding residents of the broader geological order of the region. The air here carries the scent of damp earth and seasonal foliage, particularly during the transition of autumn when the colors deepen across the flat terrain. This inland geography fosters a sense of grounded stability, far removed from the turbulent shifts of the shoreline.
Twin Rivers possesses a history deeply rooted in the agricultural and early industrial development of the surrounding countryside, which once prioritized the milling and manufacturing potential of local waterways. The local economy has evolved from these agrarian origins into a diverse landscape of modern commerce, where professional services and small-scale manufacturing now provide a steady foundation for the residents. Development continues to respect the natural boundaries set by the terrain, favoring efficient use of space that supports a measured, productive pace of life. A short distance away, the Monroe Township Conservation Area serves as a reminder of the land’s original character, offering a quiet space for reflection amidst the ongoing activity of the region. Economic growth in Twin Rivers remains tethered to this balance, ensuring that the legacy of earlier labor informs the efficiency of contemporary industry.
Twin Rivers maintains a cultural identity shaped by the quiet rhythms of suburban life and a strong commitment to communal connection. Notable landmarks are often integrated into the residential landscape, where local parks and the proximity to the Monroe Township Conservation Area encourage a shared appreciation for the outdoors. While the community is known for its privacy, it occasionally gathers for seasonal events that celebrate the specific heritage of the region, bringing neighbors together under the clear, expansive sky. The character of Twin Rivers is defined by these subtle interactions, which prioritize the well-being of the family and the maintenance of a peaceful, well-ordered environment. Even as the modern world encroaches, the prevailing atmosphere remains one of focused tranquility, where the individual finds space to breathe and grow.
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This page provides an embedded street and satellite map of Twin Rivers, New Jersey. Coordinates: 40.263999, -74.491264. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Twin Rivers includes the ZIP code (08520), telephone area code (609, 640), county seat of Mercer County (Trenton), and school district assignment (East Windsor Regional School District).
Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |