Glencoe () is a village in northeastern Cook County, Illinois, United States. As of the 2010 census, the total population was 8,723. Glencoe is located on Chicago's North Shore and is located within the New Trier High School District. Glencoe is ranked 1st among the richest towns in Illinois and 8th among the richest towns in US.
Glencoe is located at 42°7′53″N 87°45′39″W (42.131602, -87.761026).
According to the 2010 census, Glencoe has a total area of 3.781 square miles (9.79 km2), of which 3.72 square miles (9.63 km2) (or 98.39%) is land and 0.061 square miles (0.16 km2) (or 1.61%) is water.
Glencoe is located on the west side of Lake Michigan. It is separated from suburbs to the north and west by more than 1,200 acres (490 ha) of the Cook County Forest Preserve natural forest area. Three golf clubs also buffer it, with the private Lake Shore Country Club on the north, the public Glencoe Golf Club (operated by the village of Glencoe) on the northwest, and the private Skokie Country Club on the west.
The village is surrounded on three sides by upper-income communities, with Highland Park on the north, Northbrook on the west, and Winnetka to the south. The Skokie Lagoons are located in the forest preserve to the immediate west of the village. The same forest preserve has a bicycle trail that connects to other forest preserves to the south. In the village, the Greenbay Trail allows bicyclists to travel as far south as Wilmette and north past Lake Forest.