Rhode Island (USA) vs. Cook County, Illinois: Comparea Area Comparison

Area: 2,678 km² US Census

Population: 1,051,511 (July 2013) US Census

Rhode Island, officially the State of Rhode Island and Providence Plantations, is a state in the New England region of the United States. Rhode Island is the smallest in area, the eighth least populous, but the second most densely populated of the 50 US states behind New Jersey. Wikipedia

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