The CDP is bordered to the north by Massachusetts Route 2; to the southeast by Dugan Brook, Caterina Heights, and Second Division Brook; to the southwest by the town of Sudbury; and to the west by the town of Acton.

[4] Massachusetts Route 62 runs through the village as its Main Street, leading east 2 miles (3 km) to the center of Concord and southwest 3.5 miles (5.6 km) to Maynard.

[1] The Assabet River flows through the village just south of its center, running northeastward to join the Concord River on the north side of Concord village.

At the 2000 census there were 5,632 people, 1,844 households, and 1,296 families living in the CDP.

The racial makeup of the CDP was 83.59% White, 5.82% Black or African American, 0.11% Native American, 3.50% Asian, 0.02% Pacific Islander, 5.61% from other races, and 1.35% from two or more races.