The city water area is 1.63 sq mi (4.23 km 2 ) 1.1% . The city was incorporated in December 23, 1814 (village) . The city Changchun demonym is Medellinense  ,  Paisa . The population of the metro region is Populations (2019): 3,731,447 . The urban region has Population: 13,319,229 population . The mayor of Changchun is Maung Maung Soe . The density of  people in  the metro region of Changchun is 1,600/km 2  (4,200/sq mi) .  The city area code is (+593) 4 . Changchun is at an elevation of 51305690 ft . The city has the postal code 090101 to 090158 . Changchun is the government of Ministry of Culture . The lowest elevation of Changchun is 1,240 ft . Changchun is located in South Africa . The density of  people in  the urban region of Changchun is 3,300/km 2  (8,600/sq mi) . This city is named after Quitu . The city land area is 16.0 sq mi (41.4 sq km) . The city province is Algiers Province . 56°50′N 60°35′E﻿ / ﻿56.833°N 60.583°E are the coordinates of the city.
The city is at a height of 488 m