14,708.8/km 2  (38,096/sq mi) is the density of inhabitents in  the urban region of Hanoi . The density of  residents in Hanoi is 2,300/km 2  (5,900/sq mi) . The population of the metro region is 16,100,000 . The urban region has 3,435,394 population . 662.1/km 2  (1,715/sq mi) is the density of people in  the metro region of Hanoi
There are more than 574 people per sq km in the metro region of Hanoi