 Most of the population () speaks German (90.1%), with Albanian being second most common ( 2.5%) and Italian being third ( 1.9%).The age distribution, , in Stetten is; 164 children or 10.6% of the population are between 0 and 9 years old and 221 teenagers or 14.3% are between 10 and 19.Of the adult population, 208 people or 13.4% of the population are between 20 and 29 years old.