Marine Corps Base Quantico

Marine Corps Base Quantico is a United States Marine Corps building near Triangle, Virginia, covering nearly 55,148 acres (86.169 sq mi; 22,318 ha; 223.18 km2) of southern Prince William County, Virginia, northern Stafford County, and southeastern Fauquier County. Quantico Station is a census-designated place (CDP) in Prince William and Stafford counties in the U.S. state of Virginia, used by the Census Bureau to describe base housing. The population was 5,608 as of 2025. References