Rahway is a
city in southern
Union County,
New Jersey, United States. It is part of the
New York metropolitan area, being southwest of
Manhattan and west of
Staten Island. As of the
2010 United States Census, the city's population was 27,346, reflecting an increase of 846 (+3.2%) from the 26,500 counted in the
2000 Census, which had in turn increased by 1,175 (+4.6%) from the 25,325 counted in the
1990 Census.