The land area of the city is 194.74 sq mi (504.38 km 2 ) . The Hoboken, New Jersey city highest elevation is 5,364 m (17,598 ft) .  The city area code is +226 . The density of  people in  the urban region of Hoboken, New Jersey is 4,800/km 2  (12,000/sq mi) . 1,600/km 2  (4,200/sq mi) is the density of people in  the metro region of Hoboken, New Jersey . The coordinates of the city are 39°08′N 117°11′E﻿ / ﻿39.133°N 117.183°E . The postal code of the city is 16000 . Hoboken, New Jersey is at an elevation of 910 ft . On November 7, 1861, as Denver City, C.T. the city was incorporated . The density of  inhabitents in Hoboken, New Jersey is 2,300/km 2  (5,900/sq mi) . The city Hoboken, New Jersey demonym is Capetonian . The area of the city is Area: 219.3 km2 (84.7 sq mi) . Area: 5,609.9 km2 (2,166.0 sq mi) is the area of the metro region of Hoboken, New Jersey . This city is named after Confluence of Grand River and Gunnison River . Population (2006) : 3,550,000 is the population of the urban region of Hoboken, New Jersey . The lowest elevation of Hoboken, New Jersey is 1 m  . Alejandro Char  ,  (Radical Change) is the mayor of Hoboken, New Jersey . Hoboken, New Jersey is the government of U.S. National Park Service
428 sq mi area of the city Hoboken, New Jersey is land