"À cette date, l'Algérie compte environ 9,5 millions de musulmans et environ 1 million d'Européens non-musulmans dont 130 000 juifs séfarades[réf. nécessaire]."Ah, thought he meant in the 1960s. At the least, though, that means such a state would be viable until today. Throw in the Harkis and their families and it becomes more so.
So, 10% Europeans and not many Jews according to wiki. Now they were heavily concentrated on the coasts and the West as mentioned.
Jews did side with the French government because they were full citizens, as per the Crémieux decret