Alloway Township is a township in Salem County, New Jersey, United States. As of the 2010 United States Census, the township's population was 3,467, reflecting an increase of 693 (+25.0%) from the 2,774 counted in the 2000 Census, which had in turn declined by 21 (-0.8%) from the 2,795 counted in the 1990 Census. What is now Alloway was formally incorporated as Upper Alloways Creek Township by a Royal charter granted on June 17, 1767, from portions of the now-defunct Alloways Creek Township. The township was formally incorporated by an act of the New Jersey Legislature on February 21, 1798. Quinton Township was formed from portions of the township on February 18, 1873. The name was officially changed to Alloway Township as of February 21, 1884.
The name Alloway is derivative of Allowas, a local Native American chief.
According to the United States Census Bureau, the township had a total area of 33.91 square miles (87.84 km2), including 33.48 square miles (86.70 km2) of land and 0.44 square miles (1.13 km2) of water (1.29%).
Alloway (with a 2010 Census population of 1,402) is an unincorporated community and census-designated place (CDP) located within Alloway Township. Other unincorporated communities, localities and place names located partially or completely within the township include Aldine, Alloway Junction, Dilkes Mile, Friesburg, Lake Sycamore, Mower, New Boston, Oakland, Penton, Remsterville, Riddleton and Watsons Mills.
The township borders Mannington Township, Pilesgrove Township, Quinton Township and Upper Pittsgrove Township in Salem County; and Hopewell Township, Stow Creek Township and Upper Deerfield Township in Cumberland County.
The 2010 United States Census counted 3,467 people, 1,193 households, and 945 families in the township. The population density was 103.8 inhabitants per square mile (40.1/km2). There were 1,268 housing units at an average density of 38.0 per square mile (14.7/km2). The racial makeup was 91.49% (3,172) White, 5.08% (176) Black or African American, 0.43% (15) Native American, 0.89% (31) Asian, 0.00% (0) Pacific Islander, 0.61% (21) from other races, and 1.50% (52) from two or more races. Hispanic or Latino of any race were 1.96% (68) of the population.
Of the 1,193 households, 34.5% had children under the age of 18; 67.6% were married couples living together; 6.3% had a female householder with no husband present and 20.8% were non-families.