Wallington is a borough in Bergen County, New Jersey, United States. As of the United States 2000 Census, the borough population was 11,583. Wallington was created as a borough on January 2, 1895 (based on a referendum held on December 31, 1894), at the height of the Boroughitis fever then sweeping through Bergen County. The borough was formed from area taken from Bergen Township and Saddle River Township. Sections of Wallington were ceded to Garfield in 1898.