Wallington is a borough in Bergen County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 11,868, an increase of 533 (+4.7%) from the 2010 census count of 11,335, which in turn reflected a decline of 248 (−2.1%) from the 11,583 counted in the 2000 census.
