About This Place
Oak Lawn is a village in Cook County, Illinois, United States. The population was 55,245 at the 2000 census.
Oak Lawn is a suburb of the city of Chicago, located southwest of the city. It shares borders with the city in two areas, but is surrounded mostly by other suburbs.
According to the United States Census Bureau, the village has a total area of 8.6 square miles (22.3 km²), all of it land.