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Portsmouth New Hampshire Map

Explore Portsmouth, New Hampshire, 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.

Interactive Map of Portsmouth, New Hampshire

How to Use This Portsmouth, New Hampshire Map

This interactive map shows the street layout and satellite imagery for Portsmouth, New Hampshire. 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 Hampshire 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 Portsmouth.

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	Portsmouth
State	New Hampshire (NH)
County	Rockingham County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	43.060594
Longitude	-70.780349
Population	21,956
Density	541.3 /km²
Incorporated	Yes
ZIP Codes	03801, 03802, 03803, 03804
Area Code	603
County Seat	Brentwood
School District	Portsmouth School District

🌦 Goto Portsmouth Weather Page: Portsmouth, New Hampshire — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Portsmouth, New Hampshire

Portsmouth is a locality in Rockingham County, New Hampshire, United States. It has a population of 21,956. The population density is 541.3 people per km². Portsmouth is located at 43.0606°N, 70.7803°W. It observes the Eastern Time (America/New_York) timezone. Portsmouth is an incorporated locality. ZIP codes: 03801, 03802, 03803.

Portsmouth emerges from the salt-tinged air of the Atlantic coast, defined by the quiet persistence of the Hodgdon Brook as it weaves through the terrain. It lies 10.4 miles south-southeast of Dover, NH (from Dover, NH: bearing 147°T), and is situated 9.3 miles east-southeast of Durham. The landscape is marked by the modest rise of Sagamore Hill, which offers a vantage point over the low-lying coastal plain, while the nearby Little Island stands as a solitary sentinel in the shifting tides. The atmosphere here carries the weight of the sea, where the light at dusk turns the harbor waters into a sheet of hammered pewter, reflecting the gray, sturdy architecture that defines the horizon. Residents find a quiet respite in the greenery of Goodwin Park, a space that serves as a terrestrial anchor before the land eventually yields to the broader, restless expanse of the Atlantic Ocean.

Portsmouth began as a colonial outpost, its early survival dictated by the rhythms of trade and the necessity of maritime defense. The site was chosen for its strategic proximity to the water, allowing early settlers to establish a foothold that relied heavily on the natural harbor for connection to the wider world. Over generations, the character of Portsmouth solidified through the construction of durable, stone-heavy structures that mirror the resilience of the settlers who first cleared the timber. This legacy of independence remains embedded in the street patterns and the preservation of early foundations, creating a sense of continuity that bridges the gap between the original maritime ventures and the modern era.

Economic activity in Portsmouth draws upon a blend of historical maritime commerce and a contemporary focus on technology and professional services. While the harbor remains a functional artery, the surrounding infrastructure supports a diverse array of businesses, from specialized engineering firms to a robust hospitality sector that benefits from the steady flow of coastal visitors. Education is served by proximity to regional institutions that feed the local workforce, ensuring that Portsmouth maintains a connection to academic research and professional development. The pace of commerce is steady and deliberate, supported by an infrastructure that prioritizes the maintenance of historic transport routes while accommodating the needs of a modern, interconnected economy.

Cultural life in Portsmouth revolves around a deep respect for the maritime environment and a calendar punctuated by community-driven festivals that celebrate the turn of the seasons. While professional sports teams are generally followed in the broader regional context, the local spirit is often found in the intimate gatherings held in public spaces or the quiet enjoyment of the outdoors. Landmarks throughout the center display a commitment to architectural preservation, ensuring that the visual identity of the streets remains consistent with their colonial roots. Famous individuals who have walked these paths often reflect the town's blend of Yankee pragmatism and creative intellectualism, leaving behind a legacy that is felt in the understated, thoughtful manner in which the people of Portsmouth engage with their surroundings.

Nearby Outdoor Places

John Paul Jones House Museum (Museum) — 1.3 mi, 045° NE
The Music Hall (Theatre) — 1.3 mi, 042° NE
Market Square (Landmark) — 1.4 mi, 041° NE
Prescott Park (Nature Reserve) — 1.6 mi, 044° NE
USS Albacore Museum (Museum) — 1.9 mi, 068° E
Strawbery Banke Museum (Historic Site) — 2.1 mi, 033° NE
Portsmouth Harbor Lighthouse (Landmark) — 3.6 mi, 109° E
Fort Constitution (Castle or Fort) — 3.6 mi, 105° E
The Button Factory (Gallery) — 0.6 mi, 030° NE
Jones Avenue Recreation Area (Local Recreation) — 0.8 mi, 115° SE
Urban Forestry Center (State Resource Management Area) — 0.8 mi, 144° SE
South Playground And Leary Field (Local Park) — 1.3 mi, 058° NE
Discover Portsmouth (Museum) — 1.4 mi, 044° NE
Regina Piantedosi Gallery (Gallery) — 1.5 mi, 043° NE
Vigilance (Public Artwork) — 1.5 mi, 049° NE
Lafayette Trail (Monument) — 1.5 mi, 044° NE
Nancy Morgan Art (Gallery) — 1.6 mi, 048° NE
3s Artspace (Arts Centre) — 1.6 mi, 033° NE
Moffatt-Ladd House Museum (Museum) — 1.6 mi, 039° NE
Horse Chestnut (Monument) — 1.7 mi, 041° NE
Portsmouth Harbor Cruises (Attraction) — 1.7 mi, 041° NE
Triple Giant Slides (Attraction) — 1.7 mi, 183° S
Warner House Museum (Museum) — 1.8 mi, 047° NE
Seacoast Repertory Theatre (Theatre) — 1.8 mi, 046° NE
Calvin A. Canney (Monument) — 1.9 mi, 052° NE
Great Bay Megasite (State Conservation Area) — 2.4 mi, 260° W
Great Bay National Estuarine Research Reserve (Marine Protected Area) — 2.4 mi, 262° W
Odiorne Point State Park (Marine Protected Area) — 2.7 mi, 107° E
Great Bay National Wildlife Refuge (National Wildlife Refuge) — 2.9 mi, 296° NW · 3,359 acres
Rachel Carson National Wildlife Refuge (National Wildlife Refuge) — 5.6 mi, 067° NE · 17k acres

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