Where did you get those numbers? That's amazingly high if youre talking about members of the political parties. Although mobilization is everything in a system of voluntary voting - if you dont energize your supporters to vote, as will likely be McCain's fate, youre finished.
Electoral votes are different to actual supporters. Yes, politically it's fairly close based on the electoral college, but the mass of political strength has been with the sunbelt states since air conditioners were invented in the 60s. History has been on the GOP's side because they've better represented America ever since the Dems got distracted with bleeding heart issues after the tragic Kennedy deaths