The land area of the city is 65.65 sq mi (170.03 sq km ) . The mayor of Changchun is Kakha Kaladze . The postal code of the city is 1100 . The city was incorporated in November 7, 1861, as Denver City, C.T. . 1,371.76 km 2  (529.64 sq mi) is the area of the metro region of Changchun . The urban region has Population (2014): 5,160,512 population . The demonym of the city Changchun is Barranquillero/a . The density of  inhabitents in  the urban region of Changchun is 4,800/km 2  (12,000/sq mi) . The density of  inhabitents in  the metro region of Changchun is 210.9/km 2  (546.2/sq mi) . Changchun is located in Japan . The city water area is 6.80 sq mi (17.62 sq km )  3.0% . (+90) 224 is the area code of Changchun . Changchun is at an elevation of 305 m . 5,165.1/km 2  (13,378/sq mi) is the density of people in Changchun . This city is named after Quitu . The lowest elevation of Changchun is 75 m  . The province of the city Changchun is Gauteng . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . Changchun is the government of Kamloops City Council . The Changchun city highest elevation is 5,364 m (17,598 ft)
Water covers 442 sq km area of the city