Thun, the municipality's former district, was dissolved. On the following day, 1 January 2010, it joined the newly created Verwaltungskreis Thun. Coat of arms The blazon of the municipal coat of arms is Or a Pall Gules. Demographics Teuffenthal has a population () of . , 2.5% of the population are resident foreign nationals. Between the last 2 years (2010-2012) the population changed at a rate of -6.4%. Migration accounted for -6.4%, while births and deaths accounted for -0.6%. Most of the population () speaks German (190 or 96.4%) as their first language, Serbo-Croatian is the second most common (4 or 2.0%) and English is the third (2 or 1.0%). , the population was 48.8% male and 51.2% female. The population was made up of 82 Swiss men (47.7% of the population) and 2 (1.2%) non-Swiss men. There were 86 Swiss women (50.0%) and 2 (1.2%) non-Swiss women. Of the population in the municipality, 85 or about 43.1% were born in Teuffenthal and lived there in 2000. There were 89 or 45.2% who were born in the same canton, while 13 or 6.6% were born somewhere else in Switzerland, and 9 or 4.6% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 23.0% of the population, while adults (20–64 years old) make up 56.5% and seniors (over 64 years old) make up 20.5%. , there were 84 people who were single and never married in the municipality. There were 99 married individuals, 8 widows or widowers and 6 individuals who are divorced. , there were 25 households that consist of only one person and 8 households with five or more people. , a total of 67 apartments (85.9% of the total) were permanently occupied, while 4 apartments (5.1%) were seasonally occupied and 7 apartments (9.0%) were empty. In 2012, single family homes made up 30.0% of the total housing in the municipality. The historical population is given in the following chart: Economy , Teuffenthal had an unemployment rate of 0.61%. , there were a total of 74 people employed in the municipality. Of these, there were 43 people employed in the primary economic sector and about 21 businesses involved in this sector. The secondary sector employs 8 people and there were 6 businesses in this sector. The tertiary sector employs 24 people, with 6 businesses in this sector. There were 94 residents of the municipality