The city province is Davao del Sur  (geographically only) . 4,484/km 2  (11,610/sq mi) is the density of inhabitents in  the metro region of Chicago, Illinois . The city has the postal code 130000 . Chicago, Illinois is located in People's Republic of China . The mayor of Chicago, Illinois is Solomon Mguni . The city water area is 0.49 sq mi (1.27 km 2 ) . 850/km 2  (2,200/sq mi) is the density of residents in Chicago, Illinois . Chicago, Illinois is at an elevation of 13 ft . The density of  inhabitents in  the urban region of Chicago, Illinois is 3,300/km 2  (8,600/sq mi) . The demonym of the city Chicago, Illinois is Cartagenero(s) (in Spanish) . This city is named after Confluence of Grand River and Gunnison River . The highest elevation of Chicago, Illinois is 91 m (299 ft) . The area of the urban region is 234.72 km 2  (90.63 sq mi) . Chicago, Illinois is the government of Ministry of Culture . Area: 572 km2 (221 sq mi) is the area of the city namedChicago, Illinois . The land area of the city is 16.0 sq mi (41.4 sq km) . The coordinates of the city are 51°30′N 116°00′W﻿ / ﻿51.5°N 116.0°W﻿ / 51.5; -116.0 .  The city area code is 0211 . The Chicago, Illinois citys' lowest elevation is 380 m  . Population (2015): 2,500,000 is the population of the metro region of Chicago, Illinois
The area of this city is more than 913 sq mi