Looks like 1040 people attended Pycon 2008 representing a 77% increase on last years attendance. over 1k people at a Python conference! Times have changed. My one and only Python conference to date was in Houston Texas 10 years ago. (10!).
There was significantly less that 1000 people at that event. I remember we pretty much all bailed out to a Sushi bar one evening, handed over a collective bunch of dollars and asked them to bring "food" . Try that with 1000+ delegates.