The city Chennai Madras demonym is Durbanite . The postal code of the city is 95100 . The city province is Lusaka Province . Population (2014): 5,160,512 is the population of the urban region of Chennai Madras . On 1842 the city was incorporated . The city land area is 840 km 2  (325 sq mi) . The highest elevation of Chennai Madras is 33 m (108 ft) . The lowest elevation of Chennai Madras is 246 ft . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Chennai Madras . Area: 223 km2 (86 sq mi) is the area of the city namedChennai Madras . The water area of the city is 4.46 sq km  (1.72 sq mi) . 13,542,900 is the population of the metro region of Chennai Madras . Oscar Malapitan is the mayor of Chennai Madras . 01 is the area code of Chennai Madras . 9,821/km 2  (25,436/sq mi) (2017) is the density of people in Chennai Madras . The coordinates of the city are 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W . Chennai Madras is located in South Africa . Chennai Madras is at an elevation of 990 m
The area of this city is more than 62 sq mi