Teterboro (pronounced TEETER-boro) is a borough in Bergen County, New Jersey, U.S. As of the 2010 United States Census, the borough population was 67, making it the fourth smallest municipality in New Jersey by population. Teterboro is best known as the home of Teterboro Airport (operated by the Port Authority of New York and New Jersey) which takes up most of the borough, along with portions of Hasbrouck Heights and Moonachie.