 Most of the population () speaks Romansh (79.0%), with German being second most common (14.9%) and Italian being third (3.7%)., the gender distribution of the population was 48.5% male and 51.5% female.The age distribution, , in Trun is; 156 children or 11.8% of the population are between 0 and 9 years old and 175 teenagers or 13.2% are between 10 and 19.