were born in the same canton, while 309 or 26.7% were born somewhere else in Switzerland, and 135 or 11.7% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 25.5% of the population, while adults (20–64 years old) make up 57.3% and seniors (over 64 years old) make up 17.2%. , there were 469 people who were single and never married in the municipality. There were 538 married individuals, 71 widows or widowers and 80 individuals who are divorced. , there were 161 households that consist of only one person and 31 households with five or more people. , a total of 449 apartments (74.2% of the total) were permanently occupied, while 85 apartments (14.0%) were seasonally occupied and 71 apartments (11.7%) were empty. The vacancy rate for the municipality, , was 1.65%. The historical population is given in the following chart: Heritage sites of national significance The Ferme De La Grande Coronelle (Grande Coronelle Farm) is listed as a Swiss heritage site of national significance. Politics In the 2011 federal election the most popular party was the Swiss People's Party (SVP) which received 30% of the vote. The next three most popular parties were the Social Democratic Party (SP) (20.7%), the Green Party (12%) and the Conservative Democratic Party (BDP) (8%). In the federal election, a total of 249 votes were cast, and the voter turnout was 30.3%. Economy , Sonvilier had an unemployment rate of 2.57%. , there were a total of 269 people employed in the municipality. Of these, there were 119 people employed in the primary economic sector and about 45 businesses involved in this sector. 24 people were employed in the secondary sector and there were 8 businesses in this sector. 126 people were employed in the tertiary sector, with 26 businesses in this sector. There were 536 residents of the municipality who were employed in some capacity, of which females made up 44.0% of the workforce. there were a total of 204 full-time equivalent jobs. The number of jobs in the primary sector was 85, all of which were in agriculture. The number of jobs in the secondary sector was 22 of which 5 or (22.7%) were in manufacturing and 17 (77.3%) were in construction. The number of jobs in the tertiary sector was 97. In the tertiary sector; 16 or 16.5% were in wholesale or retail sales or