Attendance figures for past PyCons:
- 1994: 20
- 1997: 100
- 2000: 200-something
- 2001: 330
- 2002: 225
2003: ~250 (DC; the first "PyCon")
- 2004: 364 attendees
- 2005: ~430 attendees
- 2006: 410 attendees (Dallas)
- 2007: 586 attendees
- 2008: 1040 attendees (Chicago; preliminary - as of 2008-03-18)