The city water area is 3.73 sq mi (9.67 km 2 ) . The city Hoboken, New Jersey demonym is Yangonite . The city is Area : 499 km2 (193 sq mi) in area . On September 20, 1917 the city was incorporated . The province of the city Hoboken, New Jersey is Jilin . The density of  residents in  the urban region of Hoboken, New Jersey is 14,100/km 2  (37,000/sq mi) . +57 2 is the area code of Hoboken, New Jersey . The metro region has 4,597,134 population . 4,097/ sq km  (10,610/sq mi) is the density of residents in Hoboken, New Jersey . This city is named after Joe Juneau . The Hoboken, New Jersey citys' lowest elevation is 190 m  . 1,500/km 2  (3,900/sq mi) is the density of people in  the metro region of Hoboken, New Jersey . Hoboken, New Jersey is located in Liberty Island , Manhattan, New York City, , New York, U.S. . The coordinates of the city are 35°11′N 136°54′E﻿ / ﻿35.183°N 136.900°E . Hoboken, New Jersey is at an elevation of 19 m . Rafael Greca (PMN) is the mayor of Hoboken, New Jersey . The Hoboken, New Jersey city highest elevation is 1,390 m (4,560 ft) . The city has the postal code 95100
9.67 km 2 area of the city Hoboken, New Jersey is water