 Of the Swiss national languages (), 2,914 speak German, 14 people speak French, 5 people speak Italian, and 1 person speaks Romansh.The age distribution, , in Waldkirch is; 447 children or 14.7% of the population are between 0 and 9 years old and 473 teenagers or 15.6% are between 10 and 19.Of the adult population, 322 people or 10.6% of the population are between 20 and 29 years old.