The urban region is 225,574 km 2  (87,095 sq mi) in area . The lowest elevation of Chongqing is 7 ft . The city Chongqing province is Sichuan . 15,000/km 2  (40,000/sq mi) is the density of residents in Chongqing . On December 23, 1814 (village) the city was incorporated . The city land area is 340.5 sq mi (881.9 sq km) . The water area of the city is 3.4 sq mi (8.8 sq km) . The city has the postal code 090101 to 090158 . Population (2014): 7,360,703 is the population of the metro region of Chongqing . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . The city Chongqing demonym is Delhiite . Chongqing is the government of Municipality of Quito .  The city area code is 9 . The density of  residents in  the urban region of Chongqing is 3,423/km 2  (8,870/sq mi) . The city is 641 km 2  (247.6 sq mi) in area . The Chongqing city highest elevation is 91 m (299 ft) . Vladimir Panov is the mayor of Chongqing . Chongqing is at an elevation of 1397 m
There are less than 40893 people per sq mi in Chongqing