The population of the metro region is 4,291,577 (3rd)(population of the Federal District) . The city was incorporated in 1871-11-04 . Calgary is the government of National Park Service . The city Calgary province is Luanda . 5,200/km 2  (13,000/sq mi) is the density of inhabitents in Calgary . Calgary is at an elevation of 3 ft . 25°18′45″N 80°41′15″W﻿ / ﻿25.3125000°N 80.6875000°W﻿ / 25.3125000; -80.6875000 are the coordinates of the city. . The city has the postal code 130000 . The population of the urban region is Population (2011): 2,440,000  .  The city area code is +55 (41) . The demonym of the city Calgary is Mashhadi, Mashadi, Mashdi (informal) . Calgary is named for Rao Jodha . The density of  inhabitents in  the urban region of Calgary is 5,400/sq km  (14,000/sq mi) . The water area of the city is 2.52 sq mi (6.53 sq km ) . Calgary is located in Republic of the Congo . The lowest elevation of Calgary is 1,240 ft . The highest elevation of Calgary is 424 m (1,391 ft) . The city land area is 8.13 sq mi (21.06 km 2 ) . The area of the city is 319.03 sq mi (826.28 km 2 ) . The density of  people in  the metro region of Calgary is 2,500/km 2  (6,600/sq mi) . The mayor of Calgary is Pedrito Tomas Pereira Caballero
Less than 3 sq km area of the city Calgary is water