The postal code of the city is 16000 . 0.032/sq km  (0.083/sq mi) is the density of residents in Copenhagen . The Copenhagen city highest elevation is 14,110 ft (4,300 m) . 464.71/km 2  (1,203.6/sq mi) is the density of people in  the urban region of Copenhagen .  The city area code is (+20) 2 . The demonym of the city Copenhagen is Cartagenero(s) (in Spanish) . The city land area is 314.95 sq mi (815.72 km 2 ) . 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W are the coordinates of the city. . The population of Copenhagen is Population: 1,747,152 . 2,500/km 2  (6,600/sq mi) is the density of people in  the metro region of Copenhagen . Population: 3,113,725  is the population of the metro region of Copenhagen . The city province is Algiers Province . The lowest elevation of Copenhagen is 75 m  . Copenhagen is located in South Africa . The city was incorporated in 1900 . Copenhagen is at an elevation of 0 meters . Copenhagen is named for Quitu . The mayor of Copenhagen is Maung Maung Soe . The water area of the city is 3.73 sq mi (9.67 km 2 ) . The area of the urban region is Area : 251 km2 (97 sq mi)
Copenhagen was legally declared as a city in 1900