About This Place
East Dennis is a census-designated place (CDP) in the town of Dennis in Barnstable County, Massachusetts, United States. The population was 3,299 at the 2000 census.
East Dennis is located at 41°44′25″N 70°9′26″W / 41.74028°N 70.15722°W / 41.74028; -70.15722 (41.740226, -70.157104).
According to the United States Census Bureau, the CDP has a total area of 12.8 km² (4.9 mi²). 12.4 km² (4.8 mi²) of it is land and 0.3 km² (0.1 mi²) of it (2.64%) is water.