 Of the Swiss national languages (), 1,473 speak German, 5 people speak French, 9 people speak Italian, and 1 person speaks Romansh.The age distribution, , in Andwil is; 237 children or 15.2% of the population are between 0 and 9 years old and 220 teenagers or 14.1% are between 10 and 19.Of the adult population, 172 people or 11.0% of the population are between 20 and 29 years old.