The highest elevation of Chicago, Illinois is 5,364 m (17,598 ft) . 3,194.38/km 2  (8,273.4/sq mi) is the density of people in Chicago, Illinois . The city water area is 1.420 sq mi (3.677 km 2 )  13.73% . 385.8 sq mi (999.3 sq km ) is the area of the city namedChicago, Illinois . The urban region has 16,349,831 (2nd) population . Chicago, Illinois is the government of Swedish Ice Hockey Association . The mayor of Chicago, Illinois is Soham El Wardini (2018) (BSS/PS) . The city was incorporated in 1842 . The demonym of the city Chicago, Illinois is Medellinense  ,  Paisa . The density of  residents in  the metro region of Chicago, Illinois is 2,200/km 2  (5,700/sq mi) .  The city area code is +226 . Chicago, Illinois is at an elevation of 22 m . The postal code of the city is 34000 to 34990 . 15°25′S 28°17′E﻿ / ﻿15.417°S 28.283°E are the coordinates of the city. . The land area of the city is 48.42 sq mi (125.41 km 2 ) . The metro region has Population (2014): 7,360,703 population . Chicago, Illinois is located in Colombia . The density of  residents in  the urban region of Chicago, Illinois is 3,423/km 2  (8,870/sq mi)
There are less than 6235 residents per sq mi in the metro region of Chicago, Illinois