Ringwood is a borough in Passaic County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 12,228, reflecting a decrease of 168 (-1.4%) from the 12,396 counted in the 2000 Census, which had in turn declined by 227 (-1.8%) from the 12,623 counted in the 1990 Census.
It is the home of Ringwood State Park which contains the New Jersey Botanical Garden at Skylands and Skylands Manor, the Shepherd Lake Recreation Area and historic Ringwood Manor.
The Borough of Ringwood was incorporated by an Act of the New Jersey Legislature on February 23, 1918, from a "portion of the Township of Pompton", as one of three boroughs formed from Pompton Township, joining Bloomingdale and Wanaque, based on the results of a referendum held on March 22, 1918. The first organizational meeting of the Borough Council took place in the existing Borough Hall on May 6, 1918.