We are going to start with getting auto dealer license Illinois, Chicago city. Chicago, the local pronunciation is the largest U.S. city in the state of Illinois. With nearly 2.7 million inhabitants, is the most populous city in the Midwest of the United States and the third most populous in the United States, after New York and Los Angeles. Its metropolitan area, sometimes called “Chicago” is the 27th most populous urban agglomeration in the world, the largest metropolis of the Great Lakes, and the third largest in the United States, home to 9.8 million people distributed in U.S. states Illinois, Wisconsin and Indiana. Chicago is the county seat of Cook County, most populous county in the United States, after Los Angeles County, California.