(District 18 was dissolved following the 2016 international tournament, and its remaining leagues were folded into District 6.)

2016 - Bradley-Bourbonnais National
2015 - Manteno
2014 - Manteno
2013 - Bradley-Bourbonnais American
2012 - Manteno
2011 - Manteno
2010 - Manteno
2009 - Manteno
2008 - Manteno
2007 - Limestone (Kankakee)
2006 - Limestone (Kankakee)
2005 - Limestone (Kankakee)
2004 - Bradley-Bourbonnais American
2003 - Bradley-Bourbonnais American
2002 - Bradley-Bourbonnais American
2001 - Watseka
2000 - Bradley-Bourbonnais American
1999 - Bradley-Bourbonnais American
1998 - Bradley-Bourbonnais National
1997 - Bradley-Bourbonnais American
1996 - Aroma Park Lions
1995 - Aroma Park Lions
1994 - Bradley-Bourbonnais American
1993 - Bradley-Bourbonnais National
1992 - Bradley-Bourbonnais American
1991 - Kankakee Jaycees
1990 - Bradley-Bourbonnais National
1989 - Bradley-Bourbonnais National
1988 - Kankakee Lions
1987 - Bradley-Bourbonnais American
1986 - Bradley-Bourbonnais American
1985 - Bradley-Bourbonnais National
1984 - Bradley-Bourbonnais National
1983 - Bradley-Bourbonnais American
1982 - Kankakee Jaycees
1981 - Bradley-Bourbonnais
1980 - Watseka
1979 - Bradley-Bourbonnais
1978 - Bradley-Bourbonnais
1977 - Bradley-Bourbonnais
1976 - Kankakee Lions
1975 - Kankakee Lions
1974 - Bradley-Bourbonnais
1973 - Kankakee Jaycees
1972 - Bradley-Bourbonnais
1971 - Kankakee Jaycees
1970 - Bonfield-Limestone
1969 - Kankakee Lions
1968 - Wilmington
1967 - Kankakee Lions
1966 - Kankakee Jaycees
1965 - Kankakee Lions
1964 - Coal City

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