McLean is a thriving community of 830 residents nestled at the intersection of Interstate 55 and Route 136. Proud to be a part of the historic "Mother Road", Route 66, McLean's unique square and well-preserved historic sites and attractions draw visitors from around the world. Environmental awareness has made McKean A Role Model For sustainability. A warm, friendly atmosphere as well as employment opportunities, housing, and recreation options make McLean a place people want to call home.