Sasquan has tweeted a breakdown of the number of Hugo voters by membership type:
|Attending (all types)||1,874||46%|
Around 350 people joined Sasquan on the last day Hugo voting was open.
( * ) Based on membership figures as of July 29, the latest posted online. The Hugo voting deadline was July 31.
Update: Changed percentage for attending members based on comment by Hugo administrator John Lorentz.