Beltsville is a census-designated place (CDP) in northern Prince George's County, Maryland, United States. The community was named for Truman Belt, a local landowner. The population was 16,772 at the 2010 census. Beltsville includes the unincorporated community of Vansville.
Beltsville is located at 39°2′15″N 76°55′4″W (39.037509, −76.917847), adjacent to the Montgomery County – Prince George's County line. It is approximately 7 miles (11 km) northeast of the Maryland border with Washington.
According to the United States Census Bureau, Beltsville has a total area of 7.2 square miles (18.6 km2), of which 7.1 square miles (18.5 km2) is land and 0.04 square miles (0.1 km2), or 0.38%, is water.
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Beltsville has a humid subtropical climate, abbreviated "Cfa" on climate maps.
As of the census of 2000, there were 15,690 people, 5,690 households, and 3,823 families residing in Beltsville. The population density was 2,366.9 people per square mile (913.7/km2). There were 5,865 housing units at an average density of 884.8/sq mi (341.6/km2). The racial makeup of Beltsville was 48.20% White, 31.96% African American, 0.26% Native American, 10.75% Asian, 0.10% Pacific Islander, 5.42% from other races, and 3.31% from two or more races.