McLean is a village in McLean County, Illinois, United States. The population was 743 at the 2020 census, down from 830 in 2010. It is part of the Bloomington–Normal Metropolitan Statistical Area. McLean is the home of the Dixie Travel Plaza.

McLean County is the largest county by land area in the U.S. state of Illinois. According to the 2020 Census, it had a population of 170,954. Its county seat is Bloomington. McLean County is included in the Bloomington–Normal, IL Metropolitan Statistical Area.