Chicago, Illinois, U.S.A., has a sister cities program among the most active of American cities. This is a list of sister cities of Chicago. Chicago (officially named the City of Chicago) is the third largest city in the United States (after New York City and Los Angeles) and the largest inland city in the country, with an official population of 2,896,016, as of the 2000 census. ... Wikiquote quotations related to: United States Wikinews has news related to this article: United States United States government Official website of the United States government - Gateway to governmental sites White House - Official site of the US President Senate. ... This article is about partnerships between towns distant from each other; see Twin cities for the different concept of physically neighbouring cities. ... A city is an urban area, differentiated from a town, village, or hamlet by size, population density, importance, or legal status. ...
Chicago is the third largest city in the United States, after New York City and Los Angeles, with an official population of 2,896,016, as of the 2000 US Census.
On August 12, 1833, the Town of Chicago was incorporated as a town with a population of 350.
Of the city population, 26.2% are under the age of 18, 11.2% are from 18 to 24, 33.4% are from 25 to 44, 18.9% are from 45 to 64, and 10.3% are 65 years of age or older.
Chicago, the seat of Illinois's Cook County and the third largest city in the country, is the focus of a consolidated metropolitan statistical area that covers the primary metropolitan statistical areas of Gary, Indiana; Kankakee, Illinois; and Kenosha, Wisconsin.
Chicago is known as the "Second City," the "Windy City," the "City of Big Shoulders", "Chi-City,"and "Chi-town." When combined with its suburbs and nine surrounding counties in Illinois, Wisconsin, and Indiana, the greater metropolitan area known as Chicagoland encompasses a population greater than 9.4 million,
Chicago in its first century was one of the fastest growing cities in the world, having started with a population of zero at the beginning of the 1800's swelling to over 1 million people by 1900.