From what I observe here in the belly of the beast, the ones moving out appear to be mostly conservatives..by far. Chicago democrat scum tend to stay in place thankfully,
That has been the nature of America, migrate and change the place you end up, for good or bad that's the plan. Culture and history wiped away isn't a pleasant thing to see, its the last of the mohicans in many areas. That's not even counting the costs of legal and illegal migration to America.
A lot stay because they’re either city, county or Federal employees promised exorbitant pensions, which over time, will erode (primarily city/county) as the real productive citizens, who pay the taxes to support this parasitic machine, flee. Detroit, here they come.