San Mar, Maryland facts for kids
Quick facts for kids
San Mar, Maryland
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| Country | United States |
| State | Maryland |
| County | Washington |
| Area | |
| • Total | 0.47 sq mi (1.21 km2) |
| • Land | 0.47 sq mi (1.21 km2) |
| • Water | 0.00 sq mi (0.00 km2) |
| Elevation | 568 ft (173 m) |
| Population
(2020)
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| • Total | 366 |
| • Density | 785.41/sq mi (303.19/km2) |
| Time zone | UTC−5 (Eastern (EST)) |
| • Summer (DST) | UTC−4 (EDT) |
| ZIP code |
21713
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| Area code(s) | 240 and 301 |
| FIPS code | 24-70300 |
| GNIS feature ID | 2389798 |
San Mar is a small community in Washington County, Maryland, United States. It is known as a census-designated place (CDP). This means it's an area that the government counts for population, but it's not officially a city or town with its own local government. In 2020, about 366 people lived in San Mar.
History of San Mar
San Mar has a special historical site called Mannheim. This important place was added to the National Register of Historic Places in 1979. Being on this list means it's a building or area that is important to the history of the United States.
Geography and Location
San Mar is located in Maryland. Its exact position on a map is 39°33′6″N 77°38′46″W / 39.55167°N 77.64611°W. This means it's at 39.551764 degrees North latitude and -77.646241 degrees West longitude.
The United States Census Bureau says that San Mar covers about 1.3 square miles (3.4 square kilometers). All of this area is land, with no large bodies of water inside its borders.
Population and People
The number of people living in San Mar changes over time. Here's how the population has been counted by the U.S. Census:
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 2020 | 366 | — | |
| U.S. Decennial Census | |||
In 2000, there were 515 people living in San Mar. There were 167 households, which are groups of people living together in one home. About 108 of these households were families.
Who Lives in San Mar?
In 2000, most of the people in San Mar were White (98.83%). A small number were African American (0.58%), Native American (0.19%), or Asian (0.19%). Some people (0.19%) were from two or more racial backgrounds. A very small number (0.19%) were of Hispanic or Latino background.
Age Groups in the Community
The people in San Mar in 2000 were of different ages:
- 17.1% were under 18 years old.
- 4.5% were between 18 and 24 years old.
- 17.5% were between 25 and 44 years old.
- 19.6% were between 45 and 64 years old.
- 41.4% were 65 years old or older.
The median age was 54 years. This means that half the people were younger than 54 and half were older.
See also
- In Spanish: San Mar (Maryland) para niños
