Town guide
Dennis
Massachusetts · MA
About Dennis
Town in Massachusetts, United States1639Established
14,674Population
22.3 sq miArea
23 ftElevation
Dennis is a town on Cape Cod in Massachusetts. It is a seaside resort town with colonial mansions along the northern Cape Cod Bay coastline and beaches along the southern Nantucket Sound. As of the 2020 census, its population was 14,674. The town encompasses five villages, each with its own post office: Dennis (including North Dennis), Dennis Port, East Dennis, South Dennis, and West Dennis.
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