 Of the Swiss national languages () 3,584 speak German, 15 people speak French, 65 people speak Italian, and 4 people speak Romansh.The age distribution, , in Balgach is; 513 children or 12.7% of the population are between 0 and 9 years old and 528 teenagers or 13.1% are between 10 and 19.Of the adult population, 457 people or 11.4% of the population are between 20 and 29 years old.