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 (Chicago)
• 2008: 1040 attendees (Chicago)
• 2009: 948 attendees (Chicago)