North American Soccer League (1968–84) Yearly average attendance Yearly average attendance

| Season | Lowest | Low_Team | Average | Highest | High_Team | _2nd_Highest | _2nd_Team |
|---|---|---|---|---|---|---|---|
| 1968 | 2441 | Los Angeles Wolves | 4699 | 8510 | Kansas City Spurs | 6840 | Washington Whips |
| 1969 | 1601 | Baltimore Rays | 2930 | 4273 | Kansas City Spurs | 3371 | Atlanta Chiefs |
| 1970 | 2398 | Kansas City Spurs | 3163 | 4506 | Rochester Lancers | 3894 | Washington Darts |
| 1971 | 2440 | Montreal Olympique | 4154 | 5993 | Toronto Metros | 5871 | Rochester Lancers |
| 1972 | 2112 | Miami Gatos | 4780 | 7773 | St. Louis Stars | 7173 | Toronto Metros |
| 1973 | 3317 | Atlanta Apollos | 5954 | 11501 | Philadelphia Atoms | 7474 | Dallas Tornado |
| 1974 | 3458 | Toronto Metros | 7770 | 16584 | San Jose Earthquakes | 13454 | Seattle Sounders |
| 1975 | 2641 | Baltimore Comets | 7930 | 17927 | San Jose Earthquakes | 16826 | Seattle Sounders |