2024 - Davenport Southeast
2023 - North Scott (Eldridge)
2022 - Davenport Southeast
2021 - Davenport Southeast
2020 - International tournament not held due to Covid-19 pandemic
2019 - North Scott (Eldridge)
2018 - Burlington
2017 - North Scott (Eldridge)
2016 - Davenport Northwest
2015 - Davenport Northwest (Davenport Southeast also advances to state tournament as the runner-up)
2014 - Davenport Southeast
2013 - Davenport East Blue
2012 - Davenport Southeast
2011 - Davenport Southeast
2010 - Davenport East
2009 - Davenport Northwest
2008 - Davenport Northwest
2007 - Davenport Southeast
2006 - Davenport Southeast
2005 - Davenport Northwest
2004 - Davenport Northwest
2003 - North Scott (Eldridge)
2002 - Davenport East
2001 - Davenport East
2000 - Davenport East
1999 - Davenport Northwest
1998 - Davenport Northwest
1997 - Davenport North
1996 - Davenport Northwest
1995 - Muscatine American
1994 - Davenport Northwest
1993 - Davenport Southwest
1992 - Davenport Emies
1991 - Davenport East
1990 - Davenport Southeast
1989 - Davenport East
1988 - Davenport North
1987 - Davenport East
1986 - Davenport West
1985 - Davenport Northwest
1984 - Davenport Central
1983 - Davenport Emies
1982 - Davenport Emies
1981 - Davenport Emies
1980 - Davenport West
1979 - Davenport Northwest
1978 - Davenport Northwest
1977 - Davenport Emies
1976 - Davenport Central
1975 - Davenport Southeast
1974 - Davenport Northwest
1973 - Davenport Central
1972 - Davenport Southwest
1971 - Davenport Northwest
1970 - Davenport East
1969 - Davenport Emies
1968 - Davenport Northwest
1967 - Davenport East
1966 - Davenport Northwest
1965 - Big Bend (Charlotte)
1964 - Burlington Western
1963 - Davenport West
1962 - Burlington Western
1961 - Davenport Northwest
1960 - Davenport Southeast
1959 - Davenport Central
1958 - Davenport Northwest
1957 - Ottumwa American

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