The Windy City

With over 2.8 million residents, the City of Chicago is the largest city in Illinois and the third most-populous city in the nation. The city is 234 square miles in size and is the county seat of Cook County. Chicago is an international center for finance, culture, commerce, industry, education, technology, telecommunications, and transportation. Landmarks in the city include Millennium Park, Navy Pier, the Magnificent Mile, the Art Institute of Chicago, Museum Campus, the Willis (Sears) Tower, Grant Park, Chicago Riverwalk, the Museum of Science and Industry, and Lincoln Park Zoo.