The city water area is 6.80 sq mi (17.62 sq km )  3.0% . 210.9/km 2  (546.2/sq mi) is the density of inhabitents in  the metro region of Changchun . The Changchun citys' lowest elevation is 246 ft . The metro region is 1,371.76 km 2  (529.64 sq mi) in area . The density of  inhabitents in Changchun is 5,165.1/km 2  (13,378/sq mi) . The density of  inhabitents in  the urban region of Changchun is 4,800/km 2  (12,000/sq mi) . The urban region has Population (2014): 5,160,512 population .  The city area code is (+90) 224 . Changchun is located in Japan . The city Changchun province is Gauteng . Changchun is named for Quitu . The land area of the city is 65.65 sq mi (170.03 sq km ) . The city Changchun demonym is Barranquillero/a . Changchun is at an elevation of 1001 ft . 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 city was incorporated in November 7, 1861, as Denver City, C.T. . The highest elevation of Changchun is 5,364 m (17,598 ft) . The postal code of the city is 1100 . The mayor of Changchun is Kakha Kaladze
There are more than 13683 people per sq mi in Changchun