Washington Township, New Jersey, United States [CDP]; population was 9,245 in 1990; housing units was 3,190 in 1990; location is 40°59'N 74°4'W; land area is 2.91 square miles (1,860 acres); water area is 0.05 square miles (29 acres); FIPS code is 77510 [SourceCBP]
