Concept
Chesalles-sur-Oron is a former municipality in the district of Lavaux-Oron in the canton of Vaud in Switzerland. The municipalities of Bussigny-sur-Oron, Châtillens, Chesalles-sur-Oron, Ecoteaux, Oron-la-Ville, Oron-le-Châtel, Palézieux, Les Tavernes, Les Thioleyres and Vuibroye merged on 1 January 2012 into the new municipality of Oron. Chesalles-sur-Oron had an area, , of . Of this area, or 73.5% is used for agricultural purposes, while or 18.0% is forested. Of the rest of the land, or 9.0% is settled (buildings or roads). Of the built up area, housing and buildings made up 5.0% and transportation infrastructure made up 3.5%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 36.5% is used for growing crops and 36.0% is pastures. The municipality was part of the Oron District until it was dissolved on 31 August 2006, and Chesalles-sur-Oron became part of the new district of Lavaux-Oron. The former municipality is located on the border with the Canton of Fribourg along the Lausanne-Bulle highway. The blazon of the municipal coat of arms is Gules, three Houses two and one Argent. Chesalles-sur-Oron had a population () of 189. , 18.2% of the population are resident foreign nationals. Over the last 10 years (1999–2009) the population has changed at a rate of 16.7%. It has changed at a rate of 17.9% due to migration and at a rate of -1.9% due to births and deaths. Most of the population () speaks French (141 or 95.3%), with German being second most common (6 or 4.1%) and Dutch being third (1 or 0.7%). The age distribution, , in Chesalles-sur-Oron is; 16 children or 8.5% of the population are between 0 and 9 years old and 25 teenagers or 13.2% are between 10 and 19. Of the adult population, 26 people or 13.8% of the population are between 20 and 29 years old. 32 people or 16.9% are between 30 and 39, 33 people or 17.5% are between 40 and 49, and 18 people or 9.5% are between 50 and 59. The senior population distribution is 17 people or 9.