English: Oak Park is a suburban city in Cook County, Illinois, USA, about 24 miles (39 km) south/southwest of downtown Chicago. The area currently known as Oak Forest was originally called Cooper's Grove in the early 19th century, when it was first settled by European immigrants. Oak Forest was incorporated in 1892, became a village in 1947 and a city in 1971. The population was close to 28,000 in 2010.
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