“We have a massive influx of poor, uneducated immigrants combined with huge demographic changes the likes of which this city and country haven’t seen in generations.”
Our country was built by poor, uneducated immigrants. European at the time, probably some in your family tree. I know they are in mine!
In SoCal, they fill a valuable role by taking the jobs all the over-educated white folk won’t do. Unless you really, really want to pick strawberries I can’t see what complaint you have with them.
Regardless, enjoy your new life wherever you decide to settle. I’ll suggest New Hampshire, you will be pretty safe from the Mexican Invasion there for at least a few decades!