 Over the last 10 years the population has grown at a rate of 8.6%.Most of the population () speaks German (95.9%), with Italian being second most common ( 1.1%) and Spanish being third ( 0.7%).Of the Swiss national languages (), 1,014 speak German, 5 people speak French, 12 people speak Italian,

The age distribution, , in Tübach is; 121 children or 11.4% of the population are between 0 and 9 years old and 134 teenagers or 12.7% are between 10 and 19.