The city is 19.4 sq mi (50.2 km 2 ) in area . 1,013,389 is the population of the metro region of Karachi . 3,300/km 2  (8,600/sq mi) is the density of residents in  the urban region of Karachi . +57 4 is the area code of Karachi . The city water area is 3.73 sq mi (9.67 km 2 ) . The density of  residents in  the metro region of Karachi is 1,275/sq km (3,300/sq mi) . The density of  residents in Karachi is 3,200/km 2  (8,200/sq mi) . The mayor of Karachi is Norman Maurice Armitage . The Karachi city highest elevation is 1,879 m (6,165 ft) . Karachi is the government of Kamloops City Council . The city was incorporated in March 6, 1836 (city) . Karachi is located in Indonesia . Karachi is at an elevation of 1600 ft . The city province is Alborz . This city is named after Saint James . The demonym of the city Karachi is Evanstonian . The postal code of the city is 9XXXXXX . 2,947,722 is the population of the urban region of Karachi . The Karachi citys' lowest elevation is 0 ft
There are less than 8752 inhabitents per sq mi in the urban region of Karachi