57 + 5 is the area code of Hoboken, New Jersey . The city water area is 28.08 km 2  (10.84 sq mi) . Hoboken, New Jersey is at an elevation of 16 ft . 3,300/km 2  (8,600/sq mi) is the density of residents in  the urban region of Hoboken, New Jersey . Hoboken, New Jersey is named for Christ Church, Oxford . The city was incorporated in 1871 (Huntington) . The population of the metro region is Population (2015): 2,500,000 . The city Hoboken, New Jersey demonym is Yangonite . The mayor of Hoboken, New Jersey is Mohammad Reza Kalaie . The city has the postal code 95100 . Hoboken, New Jersey is the government of U.S. National Park Service . Population: 2,400,653 (2012) is the population of Hoboken, New Jersey . The highest elevation of Hoboken, New Jersey is 324 m (1,063 ft) . 3,200/km 2  (8,200/sq mi) is the density of inhabitents in Hoboken, New Jersey . The city province is Oran Province . The coordinates of the city are 59°20′17″N 018°04′20″E﻿ / ﻿59.33806°N 18.07222°E﻿ / 59.33806; 18.07222 . The land area of the city is 227.34 sq mi (588 sq km ) . The area of the urban region is 335.4 sq mi (539.7 km 2 ) . The lowest elevation of Hoboken, New Jersey is 75 m 
2015 citizen live in the metro region of Hoboken, New Jersey