+82-53 is the area code of Chicago, Illinois . 25°00′40″N 121°26′45″E﻿ / ﻿25.01111°N 121.44583°E are the coordinates of the city. . The highest elevation of Chicago, Illinois is 33 m (108 ft) . This city is named after Cartagena, Spain . The city water area is 0.736 sq mi (1.905 sq km) 36.58% . Population (2014): 5,160,512 is the population of the urban region of Chicago, Illinois . On December 23, 1814 (village) the city was incorporated . The density of  people in Chicago, Illinois is 3,351/km 2  (8,680/sq mi) . Chicago, Illinois is the government of Swedish Ice Hockey Association . The city has the postal code 34000 to 34990 . Chicago, Illinois is located in Cameroon . 8,600/km 2  (22,000/sq mi) is the density of residents in  the urban region of Chicago, Illinois . The land area of the city is 1,117.11 km 2  (431.32 sq mi) . The city is Area : 126 km2 (49 sq mi) in area . Chicago, Illinois is at an elevation of 726 m . The area of the metro region is 3,913 sq mi (10,130 km 2 )
There are 2014 people in urban region of Chicago, Illinois