The density of  people in  the urban region of Chennai Madras is 2,300/km 2  (6,100/sq mi) . The Chennai Madras city highest elevation is 33 m (108 ft) . The demonym of the city Chennai Madras is Durbanite . Chennai Madras is at an elevation of 3250 ft . The city was incorporated in 1842 . The Chennai Madras citys' lowest elevation is 75 m  . Chennai Madras is located in South Africa . 13,542,900 is the population of the metro region of Chennai Madras . 01 is the area code of Chennai Madras . 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W are the coordinates of the city. . 9,821/km 2  (25,436/sq mi) (2017) is the density of people in Chennai Madras . The population of the urban region is Population (2014): 5,160,512 . The city is Area: 223 km2 (86 sq mi) in area . The mayor of Chennai Madras is Oscar Malapitan . The water area of the city is 4.46 sq km  (1.72 sq mi) . The postal code of the city is 95100 . The province of the city Chennai Madras is Lusaka Province . The city land area is 840 km 2  (325 sq mi)
Official address of residents of the city Chennai Madras has zip code 95100