Cicero is an incorporated town in Cook County, Illinois, United States. The population was 85,616 at the 2000 census. A 2003 Census estimate showed the population dipped to 83,029. Cicero is named for the town of Cicero, New York, which in turn was named for Marcus Tullius Cicero, the Roman orator. Cicero apartments for rent comparison page shows most up to date rent information on Cicero apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.