Greenwich (CDP), Warren County, New Jersey

Greenwich is an unincorporated community and census-designated place (CDP) located within Greenwich Township in Warren County, in the U.S. state of New Jersey, that was defined as part of the 2010 United States Census. As of the 2010 Census, the CDP's population was 2,755.

Geography
According to the United States Census Bureau, the CDP had a total area of 0.907 square miles (2.349 km2), all of which was land.

2010 census
The 2010 United States census counted 2,755 people, 805 households, and 722 families in the CDP. The population density was 3037.7 /sqmi. There were 818 housing units at an average density of 902.0 /sqmi. The racial makeup was 73.58% (2,027) White, 10.60% (292) Black or African American, 0.15% (4) Native American, 11.07% (305) Asian, 0.07% (2) Pacific Islander, 1.67% (46) from other races, and 2.87% (79) from two or more races. Hispanic or Latino of any race were 8.97% (247) of the population.

Of the 805 households, 63.2% had children under the age of 18; 80.0% were married couples living together; 7.3% had a female householder with no husband present and 10.3% were non-families. Of all households, 7.8% were made up of individuals and 2.9% had someone living alone who was 65 years of age or older. The average household size was 3.42 and the average family size was 3.62.

38.3% of the population were under the age of 18, 4.1% from 18 to 24, 28.2% from 25 to 44, 25.3% from 45 to 64, and 4.1% who were 65 years of age or older. The median age was 35.8 years. For every 100 females, the population had 92.5 males. For every 100 females ages 18 and older there were 88.0 males.