Class A
- 1975 – Nicollet
- 1976 – Belle Plain
- 1977 – New Ulm
- 1978 – New Ulm
- 1979 – New Ulm
- 1980 – Nicollet
- 1981 – Nicollet
- 1982 – New Ulm
- 1983 – New Ulm
- 1984 – Bloomington
- 1985 – New Ulm
- 1986 – Bloomington
- 1987 – New Ulm
- 1988 – New Ulm
Class B
- 1975 – Fairfax
- 1976 – Fairfax
- 1977 – Fairfax
- 1978 – Fairfax
- 1979 – Wellington
- 1980 – Wellington
- 1981 – Fairfax
- 1982 – Marshall
- 1983 – Marshall
- 1984 – Sanborn
- 1985 – Marshall
- 1986 – Balaton
- 1987 – Marshall
- 1988 – Fairfax
