Just to let you know, a democrat has never gotten the majority of the college-graduate vote. Both in 2000 and 2004, Bush won the majority of the college-graduate vote. It's not the education thing, unless you possibly include self-educated and some college in your definition, but they're aren't any statistics for that. I always thought that education correlated to liberalism as well until I read an article about it. I was quite surprised myself.

I'm sure you're right on track with the women thing though. The fact that HP fandom is so heavily female probably has something to do with our heavy majority of liberal-leaners.