Robbinsville Center, New Jersey

Robbinsville Center is a census-designated place (CDP) located within Robbinsville Township (known as Washington Township until 2007) in Mercer County, in the U.S. state of New Jersey. As of the 2020 census, it had a population of 3,164. Prior to 2020, the CDP was known as Robbinsville, with a population of 3,041 at the 2010 census. The area is served as United States Postal Service ZIP Code 08691.

The CDP includes the area of the township developed as a part of the Robbinsville Town Center. The CDP also includes the largely undeveloped land bordered by the Hamilton Township border, U.S. Route 130, and New Jersey Route 33, though there are some plans to develop this area as well.

Geography
According to the U.S. Census Bureau, the CDP has a total area of 0.658 sqmi, of which 0.641 sqmi are land and 0.017 sqmi, or 2.58%, are water. The CDP occupies 3.1% of the total area of Robbinsville Township. The community sits on a low ridge which drains northeast to Miry Run, a northwest-flowing tributary of Assunpink Creek; and southwest to Edges Brook, a tributary of Back Creek which flows southwest to Crosswicks Creek. The entire community is within the Delaware River watershed.

Census 2010
The 2010 United States census counted 3,041 people, 1,237 households, and 756 families in what was then known as the Robbinsville CDP. The population density was 4016.0 /sqmi. There were 1,325 housing units at an average density of 1749.8 /sqmi. The racial makeup was 73.13% (2,224) White, 3.06% (93) Black or African American, 0.13% (4) Native American, 20.91% (636) Asian, 0.00% (0) Pacific Islander, 0.36% (11) from other races, and 2.40% (73) from two or more races. Hispanic or Latino of any race were 4.18% (127) of the population.

Of the 1,237 households, 37.7% had children under the age of 18; 51.8% were married couples living together; 6.5% had a female householder with no husband present and 38.9% were non-families. Of all households, 34.1% were made up of individuals and 14.2% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 3.18.

26.7% of the population were under the age of 18, 2.7% from 18 to 24, 37.2% from 25 to 44, 21.2% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 37.1 years. For every 100 females, the population had 83.1 males. For every 100 females ages 18 and older there were 78.3 males.