The lowest elevation of Chicago, Illinois is 190 m  . The Chicago, Illinois city highest elevation is 91 m (299 ft) . 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 named for Confluence of Grand River and Gunnison River . 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 . The city was incorporated in September 20, 1917 . 3,442,361 is the population of the metro region of Chicago, Illinois . Area : 1,706.8 km2 (659.0 sq mi) is the area of the city namedChicago, Illinois . Kakha Kaladze is the mayor of Chicago, Illinois . The water area of the city is 45.3 sq mi (117.4 sq km) . The density of  inhabitents in  the urban region of Chicago, Illinois is 2,300/km 2  (6,100/sq mi) . 71 is the area code of Chicago, Illinois . Chicago, Illinois is the government of Kamloops City Council . The density of  inhabitents in  the metro region of Chicago, Illinois is 1,500/km 2  (3,900/sq mi) . The city land area is 227.34 sq mi (588 sq km ) . Chicago, Illinois is located in Japan . The demonym of the city Chicago, Illinois is Alexandrian, Alexandrine (Arabic: إسكندراني‎)
Land covers 543 sq mi area of the city