The village of West Harwich lies directly to Dennis Port's east, with the border demarcated by the median of Division Street.

By U.S. standards, real estate prices in Dennis Port remain high.

Housing stock consists mostly of World War II–era beach cottages built in the Cape Cod architectural style, although many have been expanded or replaced with larger, more contemporary beach houses.

Famous residents of Dennis Port include U.S. military hero Benjamin F. Baker.

[citation needed] As of the census[5] of 2000, there were 3,612 people, 1,719 households, and 943 families residing in the CDP.