Noroton is a census-designated place (CDP) in the town of Darien, Fairfield County, Connecticut, United States. It occupies the southwestern part of Darien, from the Metro-North Railroad in the north to Long Island Sound in the south. The southern half of the community occupies Noroton Neck, between Holly Pond to the west and the Goodwives River to the east. It is bordered to the west by the city of Stamford and to the east by the Tokeneke neighborhood of Darien. To the north is Noroton Heights.

As of the 2020 census, Noroton had a population of 5,317.

It was first listed as a CDP prior to the 2020 census.

Demographics 2020 census

As of the 2020 census, Noroton had a population of 5,317. The median age was 40.1 years. 32.4% of residents were under the age of 18 and 13.0% of residents were 65 years of age or older. For every 100 females there were 95.7 males, and for every 100 females age 18 and over there were 89.4 males age 18 and over.

100.0% of residents lived in urban areas, while 0.0% lived in rural areas.

There were 1,746 households in Noroton, of which 49.1% had children under the age of 18 living in them. Of all households, 69.0% were married-couple households, 10.5% were households with a male householder and no spouse or partner present, and 18.9% were households with a female householder and no spouse or partner present. About 17.9% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older.

There were 1,833 housing units, of which 4.7% were vacant. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 3.8%.

+ Racial composition as of the 2020 census Race Number Percent White 4,376 82.3% Black or African American 45 0.8% American Indian and Alaska Native 14 0.3% Asian 414 7.8% Native Hawaiian and Other Pacific Islander 0 0.0% Some other race 86 1.6% Two or more races 382 7.2% Hispanic or Latino (of any race) 332 6.2%

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