Electoral College Demographics Map Calculator

Race, religion, and gender play power roles in elections in the United States. Some groups like Whites or Catholics tend to be fairly spilt in the electoral preference while Blacks and Mormons tend to vote in a bloc.

Now one can tinker with demographics to make an election outcome. Using Boston.com's interactive map, one can see what would happen if Blacks voted in mass for Obama while women went overwhelmingly went for McCain or whatever scenario you want.