The city water area is 0.736 sq mi (1.905 km 2 ) 36.58% . Hoboken, New Jersey is at an elevation of 4190 ft . The postal code of the city is 8320000 . The Hoboken, New Jersey city highest elevation is 33 m (108 ft) . The density of  residents in Hoboken, New Jersey is 1,600/km 2  (4,200/sq mi) (2011) . The city Hoboken, New Jersey demonym is Chennaiite . The population of Hoboken, New Jersey is 957,441 .  The city area code is +226 . 1,352.5/km 2  (3,527/sq mi) is the density of people in  the metro region of Hoboken, New Jersey . The city land area is 138.75 sq mi (359.36 km 2 ) . Hoboken, New Jersey is the government of Ministry of Culture . The density of  inhabitents in  the urban region of Hoboken, New Jersey is 4,800/km 2  (12,000/sq mi) . The mayor of Hoboken, New Jersey is Cynthia Viteri . The lowest elevation of Hoboken, New Jersey is 0 ft . The urban region has 3,384,569 population . 3°25′14″N 76°31′20″W﻿ / ﻿3.42056°N 76.52222°W are the coordinates of the city. . The metro region is 4,558.4 sq km  (1,760.0 sq mi) in area . The city province is Luanda . The city was incorporated in March 6, 1836 (city)
The peak of the city is at 0 ft