The city was incorporated in November 7, 1861, as Denver City, C.T. . Changchun is named for Quitu . (+90) 224 is the area code of Changchun . The city has the postal code 1100 . The highest elevation of Changchun is 5,364 m (17,598 ft) . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Changchun . Changchun is at an elevation of 305 m . The city Changchun demonym is Barranquillero/a . The city land area is 65.65 sq mi (170.03 sq km ) . Population (2014): 5,160,512 is the population of the urban region of Changchun . 1,371.76 km 2  (529.64 sq mi) is the area of the metro region of Changchun . 210.9/km 2  (546.2/sq mi) is the density of inhabitents in  the metro region of Changchun . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . The lowest elevation of Changchun is 246 ft . Changchun is located in Japan . The city province is Gauteng . The city water area is 6.80 sq mi (17.62 sq km )  3.0% . Kakha Kaladze is the mayor of Changchun . The density of  inhabitents in Changchun is 5,165.1/km 2  (13,378/sq mi) . Changchun is the government of Kamloops City Council
The geographic location of the city is at 48°41′48″N 113°43′6″W﻿ / ﻿48.69667°N 113.71833°W﻿ / 48.69667; -113.71833