The area of the city is Area: 223 km2 (86 sq mi) . The lowest elevation of Chennai Madras is 75 m  . The coordinates of the city are 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W . The city was incorporated in 1842 . The water area of the city is 4.46 sq km  (1.72 sq mi) . The postal code of the city is 95100 . The population of the metro region is 13,542,900 . The Chennai Madras city highest elevation is 33 m (108 ft) . 01 is the area code of Chennai Madras . The demonym of the city Chennai Madras is Durbanite . Oscar Malapitan is the mayor of Chennai Madras . The city Chennai Madras province is Lusaka Province . The urban region has Population (2014): 5,160,512 population . Chennai Madras is located in South Africa . Chennai Madras is at an elevation of 3250 ft . The land area of the city is 840 km 2  (325 sq mi) . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Chennai Madras . 9,821/km 2  (25,436/sq mi) (2017) is the density of people in Chennai Madras
There are more than 2253 people per km 2 in the urban region of Chennai Madras