Wayne, New Jersey. Wayne is a township in Passaic County, New Jersey, United States less than 20 miles (32 km) from Midtown Manhattan. As of the 2010 United States Census, the township had a total population of 54,717, reflecting an increase of 648 (+1.2%) from the 54,069 counted in the 2000 Census, which had in turn increased by 7,044 (+15.0%) from the 47,025 counted in the 1990 Census.