Chicago is the third-largest city in the United States. It has a population of 2,722,389 and covers an area of 227 square miles. The current mayor is Rahm Emanuel and it was incorporated as a town on March 4th 1833.
Chicago is the third-largest city in the United States. It has a population of 2,722,389 and covers an area of 227 square miles. The current mayor is Rahm Emanuel and it was incorporated as a town on March 4th 1833.