 frankfort square is a census-designated place (cdp) in will county, illinois, united states. the population was 9,276 at the 2010 census. ==geography== frankfort square is located at .{{cite web|url=http://www.census.gov/geo/www/gazetteer/gazette.html|publisher=united states census bureau|accessdate=2011-04-23|date=2011-02-12|title=us g
Census-designated_places_in_Illinois Census-designated_places_in_Will_County,_Illinois