Butler is a borough in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 8,047, an increase of 508 (+6.7%) from the 2010 census count of 7,539, which in turn reflected an increase of 119 (+1.6%) from the 7,420 counted in the 2000 census.

Pequannock Township is a township in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 15,571, an increase of 31 (+0.2%) from the 2010 census count of 15,540, which in turn reflected an increase of 1,652 (+11.9%) from the 13,888 counted in the 2000 census. The primary community in the township is the census-designated place of Pompton Plains.