Riverside Township is a township in Burlington County, New Jersey, United States. As of the 2010 United States Census, the township's population was 8,079, reflecting an increase of 168 (+2.1%) from the 7,911 counted in the 2000 Census, which had in turn declined by 63 (-0.8%) from the 7,974 counted in the 1990 Census.
Riverside was incorporated as a township by an act of the New Jersey Legislature on February 20, 1895, from portions of Delran Township. A portion of the township was annexed by Delran in 1901. The township was named for its location on the Delaware River.
According to the United States Census Bureau, the township had a total area of 1.614 square miles (4.180 km2), including 1.489 square miles (3.856 km2) of land and 0.125 square miles (0.323 km2) of water (7.73%).
The township borders the Burlington County municipalities of Delanco Township and Delran Township.
The 2010 United States Census counted 8,079 people, 2,959 households, and 2,026.915 families in the township. The population density was 5,425.9 per square mile (2,095.0/km2). There were 3,147 housing units at an average density of 2,113.5 per square mile (816.0/km2). The racial makeup of the township was 80.21% (6,480) White, 6.39% (516) Black or African American, 0.26% (21) Native American, 0.95% (77) Asian, 0.05% (4) Pacific Islander, 7.04% (569) from other races, and 5.10% (412) from two or more races. Hispanic or Latino of any race were 11.34% (916) of the population.
The 2,959 households accounted 31.0% with children under the age of 18 living with them; 46.2% were married couples living together; 14.6% had a female householder with no husband present, and 31.5% were non-families. Of all households, 24.3% were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.22.
In the township, the population age was spread out with 23.1% under the age of 18, 9.9% from 18 to 24, 29.5% from 25 to 44, 27.0% from 45 to 64, and 10.5% who were 65 years of age or older.