1,973,470 (2016 Census) is the population of the metro region of Chicago, Illinois . The highest elevation of Chicago, Illinois is 14,110 ft (4,300 m) .  The city area code is 0211 . Chicago, Illinois is at an elevation of 4190 ft . The coordinates of the city are 36°45′14″N 3°3′32″E﻿ / ﻿36.75389°N 3.05889°E . The urban region has Population (2014): 5,160,512 population . Chicago, Illinois is the government of Parks Canada . The city was incorporated in 1842 . This city is named after Cartagena, Spain . 1,600/km 2  (4,200/sq mi) (2011) is the density of residents in Chicago, Illinois . Chicago, Illinois is located in Colombia . The city Chicago, Illinois demonym is Mashhadi, Mashadi, Mashdi (informal) . The province of the city Chicago, Illinois is Luanda . The postal code of the city is 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 . The Chicago, Illinois citys' lowest elevation is 1,750 m . The population of Chicago, Illinois is Population: 639,598 (2014-urban, others 2013) . The land area of the city is 11,609.91 km 2  (4,482.61 sq mi)
Chicago, Illinois is located at  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E