Welcome to the official City of Chicago Website. The source for information about City services, departments, programs and initiatives, and officials for Chicago residents, businesses, and visitors.

Chicago made noted contributions to urban planning and architecture, such as the Chicago School, the development of the City Beautiful movement, and the steel-framed skyscraper. [13][14] Chicago is an …

Feb 12, 2026 · City Council added two more stars, on October 9, 1933 and December 21, 1939. The top white stripe represents the North side of the city. The center white stripe represents the West side of …

2 days ago · Chicago is a city, the seat of Cook county, in northeastern Illinois, U.S. With a population of nearly three million, Chicago is the state’s largest and the country’s third most populous city. It is the …

The City of Chicago is a home rule unit of government under the Illinois Constitution and thereby authorized to perform certain functions pertaining to its government and affairs. The powers and …

Chicago is celebrating its 9th year as the Best Big City in the U.S.! Explore iconic attractions, hidden gems, and travel guides. Plan the perfect Chicago trip!

Welcome to The Cityofchicago.com Where Sophistication Meets Soul Indulge in the timeless elegance and vibrant spirit of Chicago — a city where world-renowned culture, architecture, and culinary …

The city is 234 square miles in size and is the county seat of Cook County. The City of Chicago is responsible for many of the day-to-day services that residents and visitors depend upon such as …

May 30, 2022 · Chicago is the largest city in population in Illinois and the third-largest in the US. This makes it a diverse place that can offer a peak of everything.

Chicago was known as the place for famous gangsters in the 1920s like Al Capone, Bugs Moran, Dion O’Baniona and Tony Accardo. The city led the way in LGBT rights as the first city in the US to have a …