Cook County, Illinois vs. Milwaukee: Comparea Area Comparison

Area: 2,468 km² calculated

Population: 5,231,351 (2012)

Cook County is a county in the United States state of Illinois. As of the 2010 census, the population was 5,194,675. Wikipedia

Area: 251 km² calculated

Population: 598,916 (2012)

Milwaukee is the largest city in the U.S. state of Wisconsin, the 30th most populous city in the United States, and 39th most populous region in the United States. It is the county seat of Milwaukee County and is located on the southwestern shore of Lake Michigan. Wikipedia