McCook, IL

united states

McCook is a tiny village of 268 people in southwest Cook County, strategically located along I-55 between Chicago and St. Louis. Route 171 (Archer Avenue) runs north-south through town, connecting to nearby Lyons and La Grange, while I-294 sits just east for regional travel. Despite its small size, McCook operates one of Cook County's smallest post offices, serving fewer than 300 residents.