Population: 13,319,229 is the population of the urban region of Chicago, Illinois . The province of the city Chicago, Illinois is Razavi Khorasan . The postal code of the city is 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 . The population of Chicago, Illinois is Population: 1,075,800 (2017) . The density of  inhabitents in Chicago, Illinois is 12,510/km 2  (32,400/sq mi) . 4,484/km 2  (11,610/sq mi) is the density of people in  the metro region of Chicago, Illinois . The city land area is 314.95 sq mi (815.72 km 2 ) . The Chicago, Illinois citys' lowest elevation is 246 ft . Chicago, Illinois is located in Zulia . 3°52′N 11°31′E﻿ / ﻿3.867°N 11.517° are the coordinates of the city. . The water area of the city is 430 km 2  (165 sq mi)  33% . The highest elevation of Chicago, Illinois is 1,879 m (6,165 ft) . Chicago, Illinois is at an elevation of 13 m . The density of  residents in  the urban region of Chicago, Illinois is 8,600/km 2  (22,000/sq mi) . This city is named after Calgary, Mull . The demonym of the city Chicago, Illinois is Durbanite . Geraldo Júlio de Mello Filho (Geraldo Júlio) (PSB) is the mayor of Chicago, Illinois . Chicago, Illinois is the government of Ministry of Culture
More than 1812 km 2 area of the city Chicago, Illinois is land