Pittsgrove Township is a township in Salem County, in the U.S. state of New Jersey. As of the 2010 United States Census, the township's population was 9,393, reflecting an increase of 500 (+5.6%) from the 8,893 counted in the 2000 Census, which had in turn increased by 772 (+9.5%) from the 8,121 counted in the 1990 Census.
Pittsgrove Township was formed by Royal charter on December 6, 1769 and was incorporated by an act of the New Jersey Legislature on February 21, 1798, as one of the initial group of 104 townships established in New Jersey. Portions of the township were taken on March 4, 1822, to form Centreville Township (which was restored in 1829 when the township was dissolved), on March 10, 1846, to form Upper Pittsgrove Township and on January 28, 1893, to form Elmer borough. The township was named for William Pitt, 1st Earl of Chatham, a supporter of the colonial cause.
According to the United States Census Bureau, the township had a total area of 45.75 square miles (118.50 km2), including 44.90 square miles (116.29 km2) of land and 0.85 square miles (2.21 km2) of water (1.87%).
Olivet (with a 2010 Census population of 1,408) is an unincorporated community and census-designated place (CDP) located within Pittsgrove Township.
Other unincorporated communities, localities and place names located partially or completely within the township include Alliance, Brotmanville, Centerton, Daretown, Greenville, Norma, Norma Station, Palatine, Parvin Lake, Rainbow Lake, Six Points, Union Grove, Upper Neck and Willow Grove.
The township borders the municipalities of Elmer Borough and Upper Pittsgrove Township in Salem County; Deerfield Township, Upper Deerfield Township and Vineland in Cumberland County and Franklin Township in Gloucester County.
The 2010 United States Census counted 9,393 people, 3,307 households, and 2,576 families in the township. The population density was 208.3 inhabitants per square mile (80.4/km2). There were 3,445 housing units at an average density of 76.4 per square mile (29.5/km2). The racial makeup was 88.17% (8,282) White, 6.97% (655) Black or African American, 0.42% (39) Native American, 0.94% (88) Asian, 0.01% (1) Pacific Islander, 1.39% (131) from other races, and 2.10% (197) from two or more races. Hispanic or Latino of any race were 4.80% (451) of the population.
Of the 3,307 households, 31.8% had children under the age of 18; 60.1% were married couples living together; 12.4% had a female householder with no husband present and 22.1% were non-families. Of all households, 17.8% were made up of individuals and 7.5% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.15.
23.3% of the population were under the age of 18, 9.1% from 18 to 24, 22.8% from 25 to 44, 32.3% from 45 to 64, and 12.5% who were 65 years of age or older.