Loch Lomond is a census-designated place (CDP) in Prince William County, Virginia, United States. As of the 2020 census, Loch Lomond had a population of 4,050. It is named after a loch in northern Scotland, Loch Lomond.
Geography
Loch Lomond is located at (38.780614, −77.482188).
According to the United States Census Bureau, the CDP has a total area of 0.7 square mile (1.9 km<sup>2</sup>), all land.
Demographics
2020 census
As of the 2020 census, Loch Lomond had a population of 4,050. The median age was 34.9 years. 26.3% of residents were under the age of 18 and 10.4% of residents were 65 years of age or older. For every 100 females there were 109.2 males, and for every 100 females age 18 and over there were 110.3 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 1,058 households in Loch Lomond, of which 44.5% had children under the age of 18 living in them. Of all households, 57.8% were married-couple households, 17.3% were households with a male householder and no spouse or partner present, and 20.5% were households with a female householder and no spouse or partner present. About 14.6% of all households were made up of individuals and 5.5% had someone living alone who was 65 years of age or older.