There’s a chance, but once the community organizers get their hooks in them, it’s over. You might know of one place, but I can’t think of anyplace where mass immigration has helped the Republican party, in recent history.
The places that these people leave are about as left-leaning as possible and they’ve all run out of money, so they head to the giant ATM machine, known as the USA.
Puerto Ricans moving to Florida is not an example of immigration.