Richwood, New Jersey

Richwood is an unincorporated community and census-designated place (CDP) located in Gloucester County, in the U.S. state of New Jersey, that is split between Harrison Township (with 3,400 of the CDP's residents) and Mantua Township (with 59 of the total). As of the 2020 United States census, the CDP’s population was 3,577, an increase of 118 (+3.4%) from the 3,459 enumerated at the 2010 U.S. census. The community was once known as Mount Pleasant.

Geography
According to the United States Census Bureau, the CDP had a total area of 8.910 square miles (23.077 km2), including 8.850 square miles (22.921 km2) of land and 0.060 square miles (0.157 km2) of water (0.68%).

2010 census
The 2010 United States census counted 3,459 people, 1,055 households, and 902 families in the CDP. The population density was 390.9 /sqmi. There were 1,101 housing units at an average density of 124.4 /sqmi. The racial makeup was 89.65% (3,101) White, 3.76% (130) Black or African American, 0.06% (2) Native American, 4.22% (146) Asian, 0.00% (0) Pacific Islander, 0.55% (19) from other races, and 1.76% (61) from two or more races. Hispanic or Latino of any race were 2.83% (98) of the population.

Of the 1,055 households, 50.9% had children under the age of 18; 76.3% were married couples living together; 5.2% had a female householder with no husband present and 14.5% were non-families. Of all households, 11.9% were made up of individuals and 4.5% had someone living alone who was 65 years of age or older. The average household size was 3.27 and the average family size was 3.57.

32.0% of the population were under the age of 18, 7.9% from 18 to 24, 21.5% from 25 to 44, 30.5% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 38.5 years. For every 100 females, the population had 98.5 males. For every 100 females ages 18 and older there were 102.5 males.

Transportation
Exit 50B on Route 55 is about a half mile from the center of Richwood. The exit provides access to Richwood, via U.S. Route 322. Rowan University in nearby Glassboro is about 1¼ miles from Richwood.