Rochelle Park is a township in Bergen County, New Jersey, United States. As of the 2010 United States Census, the township's population was 5,530, reflecting an increase of 2 (+0.0%) from the 5,528 counted in the 2000 Census, which had in turn declined by 59 (-1.1%) from the 5,587 counted in the 1990 Census.
What is now Rochelle Park was incorporated as Midland Township on March 7, 1871, from portions of New Barbadoes Township. Rochelle Park was formed as a township by an Act of the New Jersey Legislature on November 5, 1929, replacing Midland Township, based on the results of a referendum held on that same day that passed by a 503-69 margin. The main impetus behind the change in name was to avoid confusion with the nearby community of Midland Park. Rochelle Park is a relatively small sized town. Rochelle Park is part of Bergen County. Borders Maywood, Saddle Brook, Lodi and Paramus. Very often gets a lot of name confusion with Roselle Park. In addition, some people think that they’re still in Saddle Brook when driving through the town.