Attendance figures prior to 1952 are not available
| Location | Year | Attendance |
|---|---|---|
| Louisville, KY | 1919 | Unknown |
| St. Louis, MO | 1920 | Unknown |
| Springfield, IL | 1921 | Unknown |
| Kansas City, MO | 1922 | Unknown |
| Chattanooga, TN | 1923 | Unknown |
| Milwaukee, WI | 1924 | Unknown |
| Houston, TX | 1925 | Unknown |
| Lexington, KY | 1926 | Unknown |
| Denver, CO | 1927 | Unknown |
| Asheville, NC | 1928 | Unknown |
| Tulsa, OK | 1929 | Unknown |
| Erie, PA | 1930 | Unknown |
| Detroit, MI | 1931 | Unknown |
| San Francisco, CA | 1932 | Unknown |
| Washington, DC | 1933 | Unknown |
| Toronto, ON | 1934 | Unknown |
| St. Louis, MO | 1935 | Unknown |
| Fort Worth, TX | 1936 | Unknown | Cincinnati, OH | 1937 | Unknown |
| Los Angeles, CA | 1938 | Unknown |
| Richmond, VA | 1939 | Unknown |
| Kansas City, MO | 1940 | Unknown |
| Minneapolis, MN | 1941 | Unknown |
| Chicago, IL (Wartime Conference) | 1942 | Unknown |
| Chicago, IL (Wartime Conference) | 1943 | Unknown | St. Louis, MO (Wartime Conference) | 1944 | Unknown |
| Minneapolis, MN (Wartime Conference) | 1945 | Unknown |
| Miami Beach, FL | 1946 | Unknown |
| Denver, CO | 1947 | Unknown |
| San Antonio, TX | 1948 | Unknown |
| San Francisco, CA | 1949 | Unknown |
| Atlantic City, NJ | 1950 | Unknown |
| Detroit, MI | 1951 | Unknown |
| Louisville, KY | 1952 | 1,507 |
| Washington, DC | 1953 | 1,840 |
| Houston, TX | 1954 | 1,741 |
| Montreal, QC | 1955 | 1,501 |
| Los Angeles, CA | 1956 | 1,647 |
| Philadelphia, PA | 1957 | 1,416 |
| Dallas, TX | 1958 | 1,601 |
| Miami Beach, FL | 1959 | 1,781 |
| Grand Rapids, MI | 1960 | 1,444 |
| Las Vegas, NV | 1961 | 2,362 |
| St Louis, MO | 1962 | 1,825 |
| Toronto, ON | 1963 | 2,115 |
| Denver, CO | 1964 | 2,090 |
| New Orleans, LA | 1965 | 2,556 |
| Baltimore, MD | 1966 | 2,249 |
| Portland, OR | 1967 | 1,802 |
| Louisville, KY | 1968 | 2,980 |
| Miami Beach, FL | 1969 | 2,522 |
| Los Angeles, CA | 1970 | 2,502 |
| Minneapolis, MN | 1971 | 2,382 |
| Montreal, QC | 1972 | 3,298 |
| San Antonio, TX | 1973 | 2,988 |
| Atlanta, GA | 1974 | 3,105 |
| San Francisco, CA | 1975 | 2,507 |
| Washington, DC | 1976 | 2,504 |
| Houston, TX | 1977 | 2,644 |
| San Diego, CA | 1978 | 3,200 |
| Kansas City, MO | 1979 | 2,898 |
| Toronto, ON | 1980 | 3,917 |
| Orlando, FL | 1981 | 3,767 |
| St. Louis, MO | 1982 | 3,377 |
| New Orleans, LA | 1983 | 3,873 |
| Philadelphia, PA | 1984 | 3,418 |
| Albuquerque, NM | 1985 | 3,600 |
| Charlotte, NC | 1986 | 3,292 |
| Montreal, QC | 1987 | 5,221 |
| Reno, NV | 1988 | 3,721 |
| Indianapolis, IN | 1989 | 3,325 |
| Seattle, WA | 1990 | 2,664 |
| Nashville, TN | 1991 | 4,037 |
| Anaheim, CA | 1992 | 2,625 |
| Louisville, KY | 1993 | 3,305 |
| Montreal, QC | 1994 | 2,976 |
| San Antonio, TX | 1995 | 2,591 |
| Las Vegas, NV | 1996 | 2,876 |
| Detroit, MI | 1997 | 2,099 |
| Atlanta, GA | 1998 | 2,157 |
| Toronto, ON | 1999 | 2,229 |
| Reno, NV | 2000 | 2,153 |
| Orlando, FL | 2001 | 2,130 | Indianapolis, IN | 2002 | 1,677 |
| Kansas City, MO | 2003 | 1,779 |
| St. Louis, MO | 2004 | 1,642 |
| New Orleans, LA | 2005 | 2.066 |
| Nashville, TN | 2006 | 1,929 |
| Montreal, QC | 2007 | 1,727 |
| Grapevine, TX | 2008 | 1,274 |
| Orlando, FL | 2009 | 1,204 |
| Denver, CO | 2010 | 1,152 |
| Baltimore, MD | 2011 | 1,113 |
| Milwaukee, WI | 2012 | 1,107 |
| Cincinnati, OH | 2013 | 1,041 |
| Las Vegas, NV | 2014 | 1,077 |
| New Orleans, LA | 2015 | 1,035 |
| Quebec City, QC | 2016 | 1,006 |
| Albuquerque, NM | 2017 | 900 |
| Ottawa, ON | 2018 | na |
| Louisville, KY | 2019 | na |