Ridgefield Park is a village in Bergen County, New Jersey, United States. As of the 2010 United States Census, the village's population was 12,729, reflecting a decline of 144 (-1.1%) from the 12,873 counted in the 2000 Census, which had in turn increased by 419 (+3.4%) from the 12,454 counted in the 1990 Census. Of 565 municipalities statewide, Ridgefield Park is one of only four with a village type of government in New Jersey, though it operates a Walsh Act (city commission) form of government. Of the four New Jersey villages Loch Arbour also uses the commission form of government, while Ridgewood operates under the council-manager form, and the Township of South Orange Village operates under a special charter form with many characteristics of village government.