High Quality Content by WIKIPEDIA articles! Boonton Township is a township in Morris County, New Jersey, United States. As of the 2010 United States Census, the township`s population was 4,263, reflecting a decline of 24 (-0.6%) from the 4,287 counted in the 2000 Census, which had in turn increased by 721 (+20.2%) from the 3,566 counted in the 1990 Census.