 Of the Swiss national languages (), 7,114 speak German, 10 people speak French, 169 people speak Italian, and 32 people speak Romansh.The age distribution, , in Mels is; 1,073 children or 13.7% of the population are between 0 and 9 years old and 1,137 teenagers or 14.5% are between 10 and 19.Of the adult population, 1,038 people or 13.2% of the population are between 20 and 29 years old.