 Of the Swiss national languages (), 1,344 speak German, 1 person speaks, French, 2 people speak Italian, and 1 person speaks Romansh.The age distribution, , in Niederbüren is; 255 children or 18.0% of the population are between 0 and 9 years old and 236 teenagers or 16.7% are between 10 and 19.Of the adult population, 151 people or 10.7% of the population are between 20 and 29 years old.