Explore Merrimack Valley, Massachusetts, 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 Merrimack Valley, Massachusetts. 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 Massachusetts 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 Merrimack Valley.
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 | Merrimack Valley |
| State | Massachusetts (MA) |
| County | Essex County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 42.952698 |
| Longitude | -71.477429 |
| Population | 340,000 |
| Density | 750.0 /km² |
| Incorporated | N/A |
| ZIP Code | 1840 |
| Area Code | 339, 351, 413, 508, 617, 774, 781, 857, 978 |
| County Seat | Salem |
Merrimack Valley defines the character of the landscape through the persistent, steady movement of the Merrimack River, which carves a path through the earth with a quiet and relentless purpose. The terrain consists of gentle, undulating plains and rises, defined most notably by the presence of Golden Hill, which exerts a subtle dominance over the immediate skyline. Residents find a quiet respite in the greenery of Gar Park, a space that serves as a necessary lung for the local environment. Even in the height of summer, the air retains a crispness that speaks to its inland position, far removed from the heavy humidity of the coast. The quality of light here, particularly as it catches the surface of Lake Saltonstall, possesses a clarity that makes the surrounding woods seem sharper, more deliberate in their geometry.
Founding narratives of Merrimack Valley are deeply rooted in the transition from agrarian necessity to the rapid, mechanical ingenuity of the industrial era. Early settlers recognized the raw potential in the water flow, harnessing the energy to drive the mills that would eventually shape the region’s identity for generations. This history is not merely a collection of dates, but a visible record etched into the brickwork of old factories and the layout of the streets, which follow the winding logic of the river. The development of Merrimack Valley reflects a persistent ambition, a drive that transformed raw, undeveloped woodland into a vital corridor of productivity that anchored the region's growth during the nineteenth century.
Economy and infrastructure in Merrimack Valley now reflect a complex synthesis of inherited industrial legacies and modern technological advancement. While the heavy manufacturing that once dominated the riverbanks has evolved, the region sustains a robust network of commerce, supported by a sophisticated grid of roads and bridges that connect the surrounding plains to the wider state. Educational institutions remain a cornerstone of the regional identity, providing the intellectual fiber that sustains local innovation and professional development. The infrastructure is designed to accommodate a steady, purposeful pace of life, where the movement of goods and ideas is facilitated by a landscape that has been carefully adapted to serve the needs of a modern workforce.
Cultural expression in Merrimack Valley finds its rhythm in the annual festivals that draw people out into the open air to celebrate the changing seasons. Local pride is frequently funneled into the support of collegiate sports, where the energy of the crowds mirrors the vitality of the river itself. Landmarks throughout the region serve as anchors for community identity, grounding the populace in a shared sense of place that persists despite the rapid pace of change. Well-known figures who have emerged from this soil often carry with them a certain Yankee pragmatism, a quiet tenacity that seems to be a natural byproduct of living in a place defined by such enduring natural features as the river and the distant, quiet rise of the hills.
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This page provides an embedded street and satellite map of Merrimack Valley, Massachusetts. Coordinates: 42.952698, -71.477429. 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 Merrimack Valley includes the ZIP code (1840), telephone area code (339, 351, 413, 508, 617, 774, 781, 857, 978), county seat of Essex County (Salem), and school district assignment.
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. |