| 2008 | Marblehead, Massachusetts |
| 2007 | Orange, California |
| 2006 | Orange, California |
| 2005 | Spokane, Washington |
| 2004 | Marblehead, Massachusetts |
| 2003 | Shreveport, Louisiana |
| 2002 | Orange, California |
| 2001 | Orange, California |
| 2000 | Orange, California |
| 1999 | Orange, California | 1989 | Colorado Springs, Colorado |
| 1998 | Orange, California | 1988 | Colorado Springs, Colorado |
| 1997 | Orange, California | 1987 | Natick, Massachusetts |
| 1996 | Atlanta, Georgia | 1986 | Manhattan Beach, California |
| 1995 | Portland, Oregon | 1985 | Flint, Michigan |
| 1994 | Wooster, Ohio | 1984 | Atlanta, Georgia |
| 1993 | Colorado Springs, Colorado | 1983 | Countryside, Illinois |
| 1992 | Colorado Springs, Colorado | 1982 | Countryside, Illinois |
| 1991 | Colorado Springs, Colorado | 1981 | San Jose, California |
| 1990 | Marquette, Michigan | 1980 | Medford, Oregon |
| 1979 | Miller Place, New York | 1969 | Flint, Michigan |
| 1978 | Austin, Texas | 1968 | Newark, Delaware |
| 1977 | San Jose, California | 1967 | Eugene, Oregon |
| 1976 | San Diego, California | 1966 | Philadelphia, Pennsylvania |
| 1975 | Philadelphia, Pennsylvania | 1965 | Houston, Texas |
| 1974 | Seattle, Washington | 1964 | Pomona, California |
| 1973 | Bloomfield Hills, Michigan | 1963 | Philadelphia, Pennsylvannia |
| 1972 | Eugene, Oregon | 1962 | Seattle, Washington |
| 1971 | Newark, Delaware | 1961 | Boston, Massachusetts |
| 1970 | Manhattan Beach, California | 1960 | Manhattan Beach, California |
| 1959 | Baltimore, Maryland | 1949 | Baltimore, Maryland |
| 1958 | Burbank, California | 1948 | New Britain, Connecticut |
| 1957 | Wilmington, Delaware | 1947 | Baltimore, Maryland |
| 1956 | Detroit, Michigan | ||
| 1955 | Shaker Heights, Ohio | ||
| 1954 | Orange, New Jersey | ||
| 1953 | San Antonio, Texas | ||
| 1952 | Niagara Falls, New York | ||
| 1951 | Minneapolis, Minnesota | ||
| 1950 | Boston, Massachusetts |