State Governors Republican 27-23
State Senates Republican 32-18
State Houses Republican 30-19-1

If you have a Democratic majority in a state, you can get new district lines drawn to favor Democrats. And to get a Democratic majority elected in a state

So if pigs can fly ...

While this may appear to be simple to turn around, I suspect the real problem is deep seated and requires at least 3 generations of education to eliminate ignorance and it's corollary bigotry. Take your statement and replace "Democrat" with "Republican". This will not be easy nor simple.

ignorance is the enemy
without equality there is no liberty