Chavornay () is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland. In 2017 the former municipalities of Essert-Pittet and Corcelles-sur-Chavornay merged into the municipality of Chavornay. History Chavornay is first mentioned in 927 as Cavorniacum. In 1228 it was mentioned as Chavornai. Geography After the 2017 merger Chavornay had an area of . Before the merger Chavornay had an area, (as of the 2004/09 survey) of . Of this area, about 65.7% is used for agricultural purposes, while 15.6% is forested. Of the rest of the land, 14.8% is settled (buildings or roads) and 3.9% is unproductive land. In the 2013/18 survey a total of or about 9.5% of the total area was covered with buildings, an increase of over the 1980 amount. Over the same time period, the amount of recreational space in the municipality increased by and is now about 0.63% of the total area. Of the agricultural land, is used for orchards and vineyards, is fields and grasslands and consists of alpine grazing areas. Since 1980 the amount of agricultural land has decreased by . Over the same time period the amount of forested land has increased by . Rivers and lakes cover in the municipality. The municipality was part of the Orbe District until it was dissolved on 31 August 2006, and Chavornay became part of the new district of Jura-Nord Vaudois. The municipality is located on the eastern edge of the Orbe valley, on the right side of the Talent river. Coat of arms The blazon of the municipal coat of arms is Per pale Argent and Gules, overall a Crown Or ornamented Vert and Azure. Demographics Chavornay has a population () of . , 21.9% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 28.5%. It has changed at a rate of 21% due to migration and at a rate of 8.2% due to births and deaths. Most of the population () speaks French (2,468 or 88.6%), with German being second most common (104 or 3.7%) and Portuguese being third (62 or 2.2%). There are 40 people who speak Italian. The age distribution, , in Chavornay is; 473 children or 13.6% of the population are between 0 and 9 years old and 468 teenagers or 13.4% are between 10 and 19. Of the adult