Berwyn Township is one of 29 townships in Cook County, Illinois, USA. As of the 2020 census, its population was 57,250, and it contained 21,037 housing units. It is coterminous with the city of Berwyn. Berwyn Township, with a population of 56,657 and over 22,000 households includes the area bounded on the north by Roosevelt Road, on the south by Pershing Road, on the east by Lombard Avenue, and on the west by Harlem Avenue.