land. Of the built up area, housing and buildings made up 4.2% and transportation infrastructure made up 1.8%. Out of the forested land, 52.3% of the total land area is heavily forested and 4.5% is covered with orchards or small clusters of trees. Of the agricultural land, 5.9% is used for growing crops and 19.5% is pastures and 10.2% is used for alpine pastures. The former municipality is located in the Bernese Jura. It consists of the villages of Vauffelin and Frinvillier. On 31 December 2009 District de Courtelary, the municipality's former district, was dissolved. On the following day, 1 January 2010, it joined the newly created Arrondissement administratif Jura bernois. Coat of arms The blazon of the municipal coat of arms is Per pall Or and Gules overall a Wolf Sable langued armed and viriled of the second. Demographics Vauffelin had a population (as of 2011) of 427. , 18.0% of the population are resident foreign nationals. Over the last 10 years (2000-2010) the population has changed at a rate of -0.9%. Migration accounted for 1.9%, while births and deaths accounted for 0.5%. Most of the population () speaks French (289 or 64.9%) as their first language, German is the second most common (110 or 24.7%) and Albanian is the third (33 or 7.4%). There are 5 people who speak Italian. , the population was 51.8% male and 48.2% female. The population was made up of 181 Swiss men (41.3% of the population) and 46 (10.5%) non-Swiss men. There were 178 Swiss women (40.6%) and 33 (7.5%) non-Swiss women. Of the population in the municipality, 116 or about 26.1% were born in Vauffelin and lived there in 2000. There were 149 or 33.5% who were born in the same canton, while 75 or 16.9% were born somewhere else in Switzerland, and 97 or 21.8% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 21.5% of the population, while adults (20–64 years old) make up 59.6% and seniors (over 64 years old) make up 18.9%. , there were 147 people who were single and never married in the municipality. There were 246 married individuals, 27 widows or widowers and 25 individuals who are divorced. , there were 50 households that consist of only one person and 14 households with five or more people. , a total of 183 apartments (61.4% of the total) were permanently