1,500/km 2  (3,900/sq mi) is the density of people in  the metro region of Chicago, Illinois . 13°24′45″N 103°52′0″E﻿ / ﻿13.41250°N 103.86667°E﻿ / 13.41250; 103.86667 are the coordinates of the city. . Chicago, Illinois is located in Japan . The density of  inhabitents in  the urban region of Chicago, Illinois is 2,300/km 2  (6,100/sq mi) . Chicago, Illinois is at an elevation of 570 m . 2,700/km 2  (7,100/sq mi) is the density of residents in Chicago, Illinois . Chicago, Illinois is the government of Kamloops City Council . Chicago, Illinois is named for Confluence of Grand River and Gunnison River . The Chicago, Illinois citys' lowest elevation is 190 m  . The city was incorporated in September 20, 1917 . The mayor of Chicago, Illinois is Kakha Kaladze . The city water area is 45.3 sq mi (117.4 sq km) . 71 is the area code of Chicago, Illinois . Area : 1,706.8 km2 (659.0 sq mi) is the area of the city namedChicago, Illinois . The population of the metro region is 3,442,361 . The demonym of the city Chicago, Illinois is Alexandrian, Alexandrine (Arabic: إسكندراني‎) . The land area of the city is 227.34 sq mi (588 sq km ) . The highest elevation of Chicago, Illinois is 91 m (299 ft)
Water covers 45.3 sq mi area of the city