Without even taking one little peek at your map, I already know that most of the country's LAND will be shaded in red...
… by the way, when did we start associating the GOP with the color red and Dems with the color blue? I had always assumed that the Democrats were Reds...
… anyway...
… the point is that such a map would not be as misleading if the population of the USA was evenly distributed across the entire country. It's not, though. And acreage (as I've said somewhere before) doesn't vote. People do. And one hell of a lot of people live all bunched up together in big cities. (God alone knows why. I like the country myself.)