There is no such regional demarcation in the US. Even the old "red/blue" doesn't work, because states such as OH and MO voted for Obama. And even in regional bulwarks against liberalism---North Carolina and Florida---you now have heavy Dem turnout.
A rebellion by TX and, say, ND would be crushed in a heartbeat.
A civil war is a pipe dream.
If you think the USA is going to change without blood then you know nothing of history. The defenders of the status quo are worse than Democrats, worse than RINO’s. And you are one of them, I hope you like your pissant life. Cowards like you can’t even consider or stomach a Convention or a secession or a Civil War. If you are what passes for a Conservative then the game is over.
The current standing army of 400,000(and shrinking) couldn't crush tiny Delaware and occupy it.