what county is w milford nj
West Milford, New Jersey. West Milford is a township in Passaic County, New Jersey, United States. As of the 2010 United States Census, the township's population was 25,850, reflecting a decline of 560 (-2.1%) from the 26,410 counted in the 2000 Census, which had in turn increased by 980 (+3.9%) from the 25,430 counted in the 1990 Census.