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