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San Mar, Maryland facts for kids

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San Mar, Maryland
Washington County Maryland Incorporated and Unincorporated areas San Mar Highlighted.svg
Country United States
State Maryland
County Washington
 • Total 0.47 sq mi (1.21 km2)
 • Land 0.47 sq mi (1.21 km2)
 • Water 0.00 sq mi (0.00 km2)
545 ft (166 m)
 • Total 366
 • Density 785.41/sq mi (303.19/km2)
Time zone UTC−5 (Eastern (EST))
 • Summer (DST) UTC−4 (EDT)
FIPS code 24-70300
GNIS feature ID 0591229

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


Mannheim was listed on the National Register of Historic Places in 1979.


San Mar is located at 39°33′6″N 77°38′46″W / 39.55167°N 77.64611°W / 39.55167; -77.64611 (39.551764, -77.646241).

According to the United States Census Bureau, the CDP has a total area of 1.3 square miles (3.4 km2), all of it land.


Historical population
Census Pop.
2020 366
U.S. Decennial Census

As of the census of 2000, there were 515 people, 167 households, and 108 families residing in the CDP. The population density was 394.2 people per square mile (151.8/km2). There were 178 housing units at an average density of 136.2/sq mi (52.5/km2). The racial makeup of the CDP was 98.83% White, 0.58% African American, 0.19% Native American, 0.19% Asian, and 0.19% from two or more races. Hispanic or Latino of any race were 0.19% of the population.

There were 167 households, out of which 21.6% had children under the age of 18 living with them, 59.9% were married couples living together, 1.8% had a female householder with no husband present, and 35.3% were non-families. 28.7% of all households were made up of individuals, and 22.8% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.92.

In the CDP, the population was spread out, with 17.1% under the age of 18, 4.5% from 18 to 24, 17.5% from 25 to 44, 19.6% from 45 to 64, and 41.4% who were 65 years of age or older. The median age was 54 years. For every 100 females, there were 66.7 males. For every 100 females age 18 and over, there were 63.0 males.

The median income for a household in the CDP was $60,132, and the median income for a family was $60,893. Males had a median income of $49,038 versus $22,171 for females. The per capita income for the CDP was $18,581. None of the families and 2.0% of the population were living below the poverty line, including no under eighteens and none of those over 64.

See also

Kids robot.svg In Spanish: San Mar (Maryland) para niños

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