Barnegat Township is a
township in
Ocean County,
New Jersey, United States. As of the
2010 United States Census the township's population was 20,936, reflecting an increase of 5,666 (+37.1%) from the 15,270 counted in the
2000 Census, which had in turn increased by 3,035 (+24.8%) from the 12,235 counted in the
1990 Census. The 2010 population was the highest recorded for the township in any decennial census.