SummaryGeekGirlCon is happening from 27 October 2018, Saturday to 28 October 2018, Sunday at Washington State Convention Center in Seattle, WA. The organizer of the event is GeekGirlCon. The event is open to trade visitors. The estimated number of attendance is 4,000. The frequency of GeekGirlCon is annual. The event has been running since 2011.