Normal is a town in McLean County, Illinois, United States. As of the 2020 census, the town's population was 52,736. Normal is the smaller of two principal cities of the Bloomington–Normal metropolitan area, and is Illinois' seventh most populous community outside the Chicago metropolitan area. The main campus of Illinois' oldest public university, Illinois State University, a fully accredited four-year institution, is in Normal, as is Heartland Community College, a fully accredited two-year institution. Chris Koos has been the mayor of Normal since 2003.