The city land area is 1,117.11 km 2  (431.32 sq mi) . The area of the metro region is 3,913 sq mi (10,130 km 2 ) . Chicago, Illinois is at an elevation of 2382 ft .  The city area code is +82-53 . The population of the urban region is Population (2014): 5,160,512 . The coordinates of the city are 25°00′40″N 121°26′45″E﻿ / ﻿25.01111°N 121.44583°E . The postal code of the city is 34000 to 34990 . The city water area is 0.736 sq mi (1.905 sq km) 36.58% . On December 23, 1814 (village) the city was incorporated . Chicago, Illinois is named for Cartagena, Spain . The area of the city is Area : 126 km2 (49 sq mi) . Chicago, Illinois is the government of Swedish Ice Hockey Association . The density of  people in Chicago, Illinois is 3,351/km 2  (8,680/sq mi) . The highest elevation of Chicago, Illinois is 33 m (108 ft) . The density of  people in  the urban region of Chicago, Illinois is 8,600/km 2  (22,000/sq mi) . Chicago, Illinois is located in Cameroon
Chicago, Illinois is located at  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E