East Sandwich is a village and census-designated place (CDP) within the town of Sandwich in Barnstable County, Massachusetts, United States. The population was 3,940 at the 2010 census.
East Sandwich is located in the northeast portion of the town of Sandwich at 41°44′16″N 70°25′23″W (41.737654, -70.423178). It is bordered by Cape Cod Bay to the north, the village of Sandwich to the west, U.S. Route 6 to the south, and the town of Barnstable to the east. The line between East Sandwich and Sandwich village is formed by Chipman Road, Crowell Road, Charles Street, and Water Street (Massachusetts Route 130). Massachusetts Route 6A is the main road through the community.
According to the United States Census Bureau, the East Sandwich CDP has a total area of 7.6 square miles (19.6 km2). 7.5 square miles (19.3 km2) of it is land, and 0.12 square miles (0.3 km2) of it (1.67%) is water.
As of the census of 2010, there were 3,940 people, 2,914 households, and 1,055 families residing in the CDP. The population density was 190.2/km2 (520.75/mi2). There were 2,044 housing units at an average density of 105.5/km2 (273.4/mi2). The racial makeup of the CDP was 98.68% White, 0.22% African American, 0.08% Native American, 0.35% Asian, 0.03% Pacific Islander, 0.22% from other races, and 0.43% from two or more races. Hispanic or Latino of any race were 0.67% of the population.