Hanoi has Population: 639,598 (2014-urban, others 2013) population . The coordinates of the city are 20°10′12″S 28°34′48″E﻿ / ﻿20.17000°S 28.58000°E . The urban region is 9,014.3 sq mi (3,843.8 km2) in area . The water area of the city is 28.08 km 2  (10.84 sq mi) . On 1900 the city was incorporated . Hanoi is at an elevation of 1397 m . The city has the postal code 080020 . The density of  people in  the metro region of Hanoi is 1,352.5/km 2  (3,527/sq mi) . The city Hanoi demonym is Cartagenero(s) (in Spanish) . 8,653,521 , 8,917,749 (Extended UA) is the population of the metro region of Hanoi . The density of  people in  the urban region of Hanoi is 4,800/km 2  (12,000/sq mi) . Hanoi is the government of Bristol City Council . The density of  people in Hanoi is 4,097/km 2  (10,610/sq mi) . The highest elevation of Hanoi is 2,715 m (8,907 ft) . Hanoi is named for Henry E. Huntington . Hanoi is located in Georgia
There are 11310 inhabitents per sq mi in Hanoi