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. As of the 2020 United States census, Twin Rivers' population was 7,787, which in turn reflected an increase of 21 (+0.3%) from the 7,422 counted in the 2000 census. Twin Rivers was the first planned unit development in New Jersey.
Geography
Twin Rivers is in the eastern corner of Mercer County, bordered to the east by Middlesex County. The borough of Hightstown is to the west. Twin Rivers is located along Route 33 near exit 8 of the New Jersey Turnpike and Route 133; Route 33 leads east to Freehold and west through Hightstown to Trenton, the state capital.
According to the U.S. Census Bureau, the Twin Rivers CDP has a total area of , including of land and of water (3.00%). 1960 1970<br> 1980 1990 2000<br> 2010 2020
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Twin Rivers first appeared as a census designated place in the 1980 U.S. census.
99.1% of residents lived in urban areas, while 0.9% lived in rural areas.
There were 2,726 households in Twin Rivers, of which 37.5% had children under the age of 18 living in them. Of all households, 51.0% were married-couple households, 17.5% were households with a male householder and no spouse or partner present, and 25.2% were households with a female householder and no spouse or partner present. About 22.7% of all households were made up of individuals and 9.0% had someone living alone who was 65 years of age or older.
There were 2,748 households, out of which 33.4% had children under the age of 18 living with them, 58.1% were married couples living together, 11.0% had a female householder with no husband present, and 26.0% were non-families. 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. The average household size was 2.70 and the average family size was 3.12.