 Of the Swiss national languages (), 3,466 speak German, 7 people speak French, 70 people speak Italian, and 5 people speak Romansh.The age distribution, , in Rebstein is; 524 children or 12.9% of the population are between 0 and 9 years old and 589 teenagers or 14.5% are between 10 and 19.Of the adult population, 466 people or 11.5% of the population are between 20 and 29 years old.