It will be interesting to see what happens in the next couple of generations. The Democrats and Republicans totally flip-flopped who represented what after the middle of the last century. Initially, the Democrats were the group that espoused Christian Americans, but as the extreme right began to emerge, the Republican party started to play to them, and the parties flip flopped. I know quite a lot of very moderately minded, Conservative leaning people my own age who are tortured about who they should vote for. Their parents have always voted Republican, straight down the line, and that's the political mindset with which they grew up. Therefore, they inherently tend to want to vote that way. However, they are so displeased with the current party, they can not vote that way.
The long and short of it is that both parties, perhaps more pressingly for the Republicans, need complete reform.