What is the geography of Dennis (CDP), Massachusetts?
Dennis is located at (41.73526, -70.199199). According to the United States Census Bureau, the CDP has a total area of 13.1 km sq (5.1 square miles). 12.7 km sq (4.9 mi sq) of it is land and 0.4 km sq (0.2 mi sq) of it (3.35%) is water. Source: http://en.wikipedia.