Explore San Mar, Maryland, with this interactive street and satellite map. You can “grab” the San Mar, MD street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
Map search is available for a limited number of queries per session to manage costs. Be specific — search precisely for best results.
| City | San Mar |
| State | Maryland (MD) |
| County | Washington |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.550932 |
| Longitude | -77.644435 |
| Population | 306 |
| Density | 358.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 21713 |
| Area Code | 410, 443 |
| County Seat | Hagerstown |
| School District | Washington County Public Schools |
San Mar is a locality in Washington County, Maryland, United States. It is a small community with a population of 306. The population density is 358.7 people per km². San Mar is located at 39.5509°N, 77.6444°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21713.
San Mar rests in a quiet cradle of rolling hills, where the land begins its slow, deliberate ascent toward the Appalachian foothills. It lies 5.2 miles south-east of Washington, MD (from Washington, MD: bearing 146°T), and is situated 7.5 miles south-south-east of Hagerstown. Fields of corn and soybeans stretch out in vast, ordered squares, their emerald and gold hues shifting with the sun's arc, while distant copses of oak and maple stand sentinel against the horizon, their leaves whispering secrets in the breeze. The air here, especially in the late afternoon, carries a clean, earthy scent, a mix of tilled soil and the faint, sweet perfume of ripening fruit from the orchards that dot the higher slopes. This is a landscape that feels both settled and perpetually in motion, the subtle contours of the terrain suggesting a history of patient cultivation, of hands that have worked this ground for generations. The story of San Mar is one of enduring agriculture and a quiet resilience, a place where the economy has long been tied to the bounty of the land. While modern conveniences have found their way here, the echoes of an earlier time persist in the weathered barns and the sturdy stone foundations of farmhouses, testaments to the foresight and labor of early settlers. The local spirit is one of neighborly accord, a shared understanding forged in the common work of planting and harvest, a rhythm that dictates the seasons and the lives lived within San Mar. Though not a place of grand pronouncements or bustling thoroughfares, its distinct character lies in this deep connection to the earth and a palpable sense of belonging.
Loading news…
Loading news-world…
Loading news-world…
This page provides an embedded street and satellite map of San Mar, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.550932, -77.644435. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on San Mar and Washington County.
Detailed location data for San Mar includes the ZIP code (21713), telephone area code (410, 443), county seat of Washington County (Hagerstown), and school district assignment (Washington County Public Schools). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct San Mar is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |