San Mar

Census-designated place in Washington County, Maryland

Aerial view of San Mar, Maryland
Aerial view: USDA NAIP · USGS The National Map (public domain)

San Mar is an unincorporated community (census-designated place) in Washington County, Maryland, with 366 residents (2020 Census). It sits at 545 ft (166 m) above sea level. The nearest town is Mount Lena, 1.0 miles E.

About San Mar

San Mar is a census-designated place (CDP) in Washington County, Maryland, United States. The population was 515 at the 2000 census.

Text: Wikipedia · CC BY-SA 4.0

San Mar weather: 7-day forecast

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Live webcams in San Mar

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Living in San Mar

Median home value
$240,500
Median rent
$616/mo
Median age
79.4
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Map of San Mar

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San Mar, MD population

San Mar had 366 residents in the 2020 Census.

2020 Census366
Density785 per sq mi (303 per km²)

Source: U.S. Census Bureau, Decennial Census.

San Mar at a glance

StateMaryland (MD)
CountyWashington County
TypeCensus-designated place
Population366 (2020)
Land area0.47 sq mi (1.2 km²)
Elevation545 ft (166 m)
Coordinates39.5522° N, 77.6409° W
ZIP code21713
Census code (GEOID)2470300

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near San Mar

Straight-line distance between town centers.

Frequently asked questions about San Mar

What county is San Mar in?

San Mar is in Washington County, Maryland.

What is the population of San Mar, MD?

366 people lived in San Mar at the 2020 Census.

What is the ZIP code of San Mar, MD?

The ZIP code of San Mar is 21713.

What is the elevation of San Mar?

545 feet (166 m) above sea level.

What towns are near San Mar?

Mount Lena (1.0 mi), Mapleville (1.2 mi), Beaver Creek (2.1 mi), Bagtown (2.6 mi), Boonsboro (3.2 mi).

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