Borough of Cliffside Park

Cliffside Park is a borough in Bergen County, New Jersey, USA. As of the United States 2000 Census, the borough population was 23,007.  Cliffside Park was formed on January 15, 1895 from portions of Ridgefield Township at the start of the second year of the "Boroughitis" phenomenon. U.S. Senator Frank Lautenberg currently resides in the borough.