Glenwood is a village in Cook County, Illinois, United States. The population was 8,662 at the 2020 census. Glenwood is located at 41°32′42″N 87°36′43″W / 41.54500°N 87.61194°W. According to the 2021 census gazetteer files, Glenwood has a total area of 3.26 square miles, all land.