Bartonsville is an unincorporated community and census-designated place (CDP) in Frederick County, in the U.S. state of Maryland. As of the 2020 census it had a population of 2,753. Prior to 2010, the area was part of the Linganore-Bartonsville CDP.

Geography

The community is in southeastern Frederick County, bordered to the north by Maryland Route 144 (Old National Pike), to the east by Ijamsville Road, and to the west by the Monocacy River. Via MD 144, the city of Frederick is to the west.

According to the U.S. Census Bureau, the Bartonsville CDP has a total area of , of which is land and , or 1.11%, is water.

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2020 census

As of the 2020 census, Bartonsville had a population of 2,753. The median age was 35.0 years. 28.4% of residents were under the age of 18 and 9.3% of residents were 65 years of age or older. For every 100 females there were 96.4 males, and for every 100 females age 18 and over there were 96.2 males age 18 and over.

96.5% of residents lived in urban areas, while 3.5% lived in rural areas.

There were 893 households in Bartonsville, of which 44.7% had children under the age of 18 living in them. Of all households, 69.1% were married-couple households, 12.0% were households with a male householder and no spouse or partner present, and 13.5% were households with a female householder and no spouse or partner present. About 11.8% of all households were made up of individuals and 5.0% had someone living alone who was 65 years of age or older.