Harwood Heights is a village in Cook County, Illinois, United States. The population was 8,297 at the 2000 census. The current Mayor is Arlene Jezierny. She is the second woman to serve as mayor in Harwood Heights, the first being Mayor Margaret Fuller. Harwood Heights is located at 41°57′58″N 87°48′20″W / 41.96611°N 87.80556°W / 41.96611; -87.80556 (41.966172, -87.805576).