Teterboro 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 61, a decrease of 6 (−9.0%) from the 2010 census count of 67, which in turn reflected an increase of 49 (+272.2%) from the 18 counted in the 2000 census. After being ranked as the fourth-smallest municipality, by population, in New Jersey through the 2010 census, the borough is the third-smallest since the merger of Pine Valley into Pine Hill in 2022.
Teterboro is the home of Teterboro Airport (operated by the Port Authority of New York and New Jersey) which takes up a majority of the borough, as well as portions of Hasbrouck Heights and Moonachie.