The community is in eastern Frederick County, on both sides of Linganore Creek, a west-flowing tributary of the Monocacy River and part of the Potomac River watershed. The neighborhoods of the community surround Lake Linganore, an impoundment on the creek, and extend south to Interstate 70, between New Market to the east and Bartonsville and Spring Ridge to the west. Downtown Frederick is 7 miles (11 km) west of the center of Linganore.
According to the U.S. Census Bureau, the Linganore CDP has a total area of 6.0 square miles (15.5 km2), of which 5.8 square miles (14.9 km2) is land and 0.2 square miles (0.6 km2), or 4.15%, is water.[3]
