Washington Township is a township in Morris County, New Jersey, United States. As of the 2010 United States Census, the township’s population was 18,533, reflecting an increase of 941 (+5.3%) from the 17,592 counted in the 2000 Census, which had in turn increased by 2,000 (+12.8%) from the 15,592 counted in the 1990 Census.
It is one of six municipalities (five of which are townships) in the state of New Jersey with the name “Washington Township“. Washington Borough, in fact is only 10 miles (16 km) away. To add to the confusion, Washington Borough is surrounded by another municipality that is also called Washington Township.
U.S. Route 46, County Route 513, and County Route 517 pass through town. It is only minutes away from Interstate 80 in neighboring Mount Olive and Interstate 78 in neighboring Tewksbury Township. U.S. Route 206 is also accessible in nearby Bedminster and Chester townships.