Treytorrens is a municipality in the district of Broye-Vully in the canton of Vaud in Switzerland. Geography Treytorrens has an area, , of . Of this area, or 75.2% is used for agricultural purposes, while or 20.8% is forested. Of the rest of the land, or 4.9% is settled (buildings or roads). Of the built up area, housing and buildings made up 1.6% and transportation infrastructure made up 2.9%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 59.6% is used for growing crops and 15.3% is pastures. The municipality was part of the Payerne District until it was dissolved on 31 August 2006, and Treytorrens became part of the new district of Broye-Vully. Coat of arms The blazon of the municipal coat of arms is Gules, three Fishes nainaint Argent. Demographics Treytorrens has a population () of . , 0.9% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 0%. It has changed at a rate of -4.3% due to migration and at a rate of 3.5% due to births and deaths. Most of the population () speaks French (97 or 95.1%), with German being second most common (3 or 2.9%) and Italian being third (1 or 1.0%). The age distribution of the population () is children and teenagers (0–19 years old) make up 18.6% of the population, while adults (20–64 years old) make up 61.8% and seniors (over 64 years old) make up 19.6%. , there were 38 people who were single and never married in the municipality. There were 46 married individuals, 7 widows or widowers and 11 individuals who are divorced. , there were 39 private households in the municipality, and an average of 2.6 persons per household. There were 8 households that consist of only one person and 2 households with five or more people. Out of a total of 40 households that answered this question, 20.0% were households made up of just one person and there was 1 adult who lived with their parents. Of the rest of the households, there are 9 married couples without children, 18 married couples with children There was one single parent with a child or children. There were 2 households that were made up of unrelated people and 1 household that was made up