Explore Rosemont, Maryland, 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 Rosemont, Maryland. 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 Maryland 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 Rosemont.
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 | Rosemont |
| State | Maryland (MD) |
| County | Montgomery County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.333729 |
| Longitude | -77.62276 |
| Population | 272 |
| Density | 188.9 /km² |
| Incorporated | Yes |
| ZIP Codes | 21227, 20877, 21758 |
| Area Code | 301, 240, 410, 443 |
| County Seat | Rockville |
| School District | Frederick County Public Schools |
Rosemont occupies a quiet expanse of land where the earth rises and falls in long, rhythmic swells of clay and loam. It lies 1.3 miles south-southeast of Gaithersburg, MD (from Gaithersburg, MD: bearing 147°T), and is situated 3.3 miles east-southeast of Montgomery. The Muddy Branch carves a persistent, winding path through the landscape, its waters feeding the moisture that keeps the surrounding woodlands thick with oak and hickory. To the far west, the Blue Ridge Mountains etch a jagged, violet line against the evening sky, a distant reminder of the rugged spine that holds this region in place. Within the immediate borders, the grounds of Summitt Hall Morris Park provide a sanctuary of open green, where the light at dusk settles heavy and gold upon the tall grasses. The air here holds a crisp, earthen stillness, far removed from the churn of the coast, defined instead by the steady respiration of the inland woods and the cool, shadowed depth of Mather Gorge eleven miles away.
Rosemont maintains a character shaped by the slow, deliberate work of those who first cleared its fields and established its boundaries. The local economy persists in the quiet industry of the interior, favoring the cultivation of the land and the preservation of the open spaces that define its borders. Residents often look toward the Paw Paw Passage Trail for recreation, a path that connects the local experience to the wider geography of the state. Life in Rosemont moves with the sun, from the morning mist lifting off the surface of Lake Halcyon to the long, cooling shadows that stretch from the tree lines as the day concludes. It is a place of modest permanence, where the historical weight of the interior persists in the quiet masonry of older foundations and the unhurried way the residents navigate the changing seasons.
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This page provides an embedded street and satellite map of Rosemont, Maryland. Coordinates: 39.333729, -77.62276. 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 Rosemont includes the ZIP code (21227, 20877, 21758), telephone area code (301, 240, 410, 443), county seat of Montgomery County (Rockville), and school district assignment (Frederick County Public Schools).
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. |