There is some basic info of the breakdown of users including gender on Alexa, though it only provides info for users with their plugin: http://www.alexa.com/sit

There is some basic info of the breakdown of users including gender on Alexa, though it only provides info for users with their plugin: http://www.alexa.com/siteinfo/ycombinator.com http://www.alexa.com/siteinfo/ycombinator.com It will be interesting to see how that data compares to the poll results.