Another option is mass migration from cities with large populations of minorities.
That has been happening for years. It is exactly why Boise went from being a fantastic small town where people left their doors unlocked and keys in their ignitions, to a place where literally a 1/2 million people from places like California, Seattle and Portland all flooded in from and ruined it. It is also why so many people who grew up in the valley left and never returned.
Boise City is now a leftist run city with a Democrat for a Mayor who was born in Boston. She is no friend to conservatives, Idahoans or Idaho values.
Now shootings, and crime are a common occurrence in Boise.