Iowa
| YEAR | FIRST | SECOND | THIRD |
| 2008 | Cedar Rapids Oakland | Burlington First | Knoxville |
| 2007 | Cedar Rapids Oakland | Des Moines Southside | Burlington First |
| 2006 | |||
| 2005 | |||
| 2004 | |||
| 2003 | |||
| 2002 | |||
| 2001 | |||
| 2000 | |||
| 1999 | |||
| 1998 | Des Moines Southside | Cedar Rapids Oakland | |
| 1997 | Britt Zion | ||
| 1996 | |||
| 1995 | |||
| 1994 | Sioux City First | Des Moines Southside | Council Bluffs First |
| 1993 | Fort Madison | ||
| 1992 | |||
| 1991 | Bettendorf | Des Moines Southside | Cedar Falls |
| 1990 | Des Moines Southside | Ankeny | Burlington First |
| 1989 | Fort Madison | Des Moines Southside | Council Bluffs First |
| 1988 | |||
| 1987 | Des Moines Southside | Tabor | Sioux City First |
| 1986 | Indianola | Sioux City First | Sioux City Grace |
| 1985 | Indianola | Oskaloosa | Waterloo |
| 1984 | |||
| 1983 | |||
| 1982 | |||
| 1981 | |||
| 1980 | |||
| 1979 | |||
| 1978 | |||
| 1977 | |||
| 1976 | |||
| 1975 | Cedar Rapids First | Davenport | Moravia |
| 1974 | |||
| 1973 | |||
| 1972 | |||
| 1971 | Des Moines First | Fort Madison | Cedar Rapids Oakland |
| 1970 | Marshalltown | Winterset | |
| 1969 | Cedar Rapids Oakland | Cedar Rapids First |