 Most of the population () speaks German (875 or 97.2%), with Spanish being second most common (8 or 0.9%) and French being third (4 or 0.4%)., the gender distribution of the population was 47.9% male and 52.1% female.The population was made up of 824 Swiss citizens (93.0% of the population), and 62 non-Swiss residents (7.0%) Of the population in the municipality 271 or about 30.1% were born in Tenniken and lived there in 2000.