 Most of the population () speaks German (94.3%), with Portuguese being second most common ( 1.3%) and Serbo-Croatian being third ( 0.8%).Of the Swiss national languages (), 798 speak German, 2 people speak French, 4 people speak Italian, and 3 people speak Romansh.The age distribution, , in Berg is; 117 children or 13.8% of the population are between 0 and 9 years old and 133 teenagers or 15.7% are between 10 and 19.