Twin Rivers is an unincorporated community and census-designated place (CDP) in East Windsor Township, in Mercer County, in the U.S. state of New Jersey.

Twin Rivers is a mainly residential community located between Monroe Township and Hightstown.

Twin Rivers contains a community room, a shopping center and a preschool, all located in quads 1 and 2.

The shopping center has restaurants, a gym, a nail salon, and a laundromat.

The 2010 United States census counted 7,443 people, 2,671 households, and 1,931 families in the CDP.

Of all households, 23.0% were made up of individuals and 6.6% had someone living alone who was 65 years of age or older.

[10] As of the 2000 United States Census[4] there were 7,422 people, 2,748 households, and 2,033 families living in the CDP.

21.2% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older.