Heritage Hills is a hamlet (and census-designated place) within the town of Somers in Westchester County, New York.

[2] As of the census[5] of 2000, there were 3,683 people, 2,119 households, and 1,146 families residing in the CDP.

There were 2,290 housing units at an average density of 989.2 per square mile (381.9/km2).

43.0% of all households were made up of individuals, and 30.0% had someone living alone who was 65 years of age or older.

Originally, at least one member of each household had to be at least 40 years old, with no one under 18 allowed to live in the development.