Rochelle Park is a township in Bergen County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 5,814, an increase of 284 (+5.1%) from the 2010 census count of 5,530, which in turn reflected an increase of two people (+0.0%) from the 5,528 counted in the 2000 census.Table 7. Population for the Counties and Municipalities in New Jersey: 1990, 2000 and 2010, New Jersey Department of Labor and Workforce Development, February 2011. Accessed May 1, 2023.
