1900 Chicago

1980 Springfield *

1904 East St. Louis

1981 Rosemont

1908 Jacksonville

1983 Moline

1911 Jacksonville

1985 Springfield

1915 Jacksonville

1987 Naperville

1918 Chicago

1989 Schaumburg

1921 Springfield

1991 Champaign

1924 Rock Island

1993 Naperville

1927 Peoria

1995 Chicago

1931 Rockford

1997 Moline

1934 Chicago

1999 Champaign

1938 Springfield

2001 Chicago

1944 Chicago

2003 Peoria

1949 Urbana

2005 Springfield †

1953 LaSalle

2007 Itasca

1958 Springfield

2009 Bloomington

1961 Aurora

2011 Jacksonville

1964 Chicago

2013 Urbana/Champaign

1966 Rockford

2015 Quad Cities

1968 St. Louis

2017 Naperville

1970 Jacksonville

2019 Bloomington-Normal

1973 Chicago

2021 – N/A – Covid-19

1975 Elgin

2023 – Springfield

1977 Springfield

 

1979 Cahokia

– 75th Anniversary
† – 100th Anniversary