where is butler new jersey
Butler, New Jersey. Butler is a borough in Morris County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 7,539, reflecting an increase of 119 (+1.6%) from the 7,420 counted in the 2000 Census, which had in turn increased by 28 (+0.4%) from the 7,392 counted in the 1990 Census.