Champaign is a city in Champaign County, Illinois, in the United States. As reported in the 2000 U.S. Census, the city was home to 67,518 people. The city held a 2007 special census the city's population is 75,254, gaining 7,702 people from the 2000 census. The mayor is Gerald Schweighart, whose term will expire in 2011. The city is notable for sharing the campus of the University of Illinois at Urbana-Champaign with its twin city of Urbana. Champaign apartments for rent comparison page shows most up to date rent information on Champaign apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.