Belmont-sur-Yverdon (, literally Belmont on Yverdon) is a municipality in the district of Jura-Nord Vaudois of the canton of Vaud in Switzerland. History Belmont-sur-Yverdon is first mentioned in 1154 as castrum Bellimontis. In 1220 it was mentioned as burgum Bellimontis. The hamlet of Le Villaret is first mentioned in 1164 as Villars-Frelon. Geography Belmont-sur-Yverdon has an area, , of . Of this area, or 76.2% is used for agricultural purposes, while or 18.1% is forested. Of the rest of the land, or 5.7% is settled (buildings or roads), or 0.5% is either rivers or lakes and or 0.2% is unproductive land. Of the built up area, housing and buildings made up 1.7% and transportation infrastructure made up 4.0%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 66.6% is used for growing crops and 7.9% is pastures, while 1.7% is used for orchards or vine crops. All the water in the municipality is flowing water. The municipality was part of the Yverdon District until it was dissolved on 31 August 2006, and Belmont-sur-Yverdon became part of the new district of Jura-Nord Vaudois. It consists of the village of Belmont-sur-Yverdon and the hamlet of Le Villaret. Coat of arms The blazon of the municipal coat of arms is Paly Argent and Azure, a castle Gules windowed and lined Sable. Demographics Belmont-sur-Yverdon has a population () of . , 7.2% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 23.1%. It has changed at a rate of 17.3% due to migration and at a rate of 5.3% due to births and deaths. Most of the population () speaks French (239 or 96.8%) as their first language, with English being second most common (4 or 1.6%) and Portuguese being third (2 or 0.8%). There is 1 person who speaks German, 1 person who speaks Italian. The age distribution, , in Belmont-sur-Yverdon is; 24 children or 8.7% of the population are between 0 and 9 years old and 36 teenagers or 13.0% are between 10 and 19. Of the adult population, 36 people or 13.0% of the population are between 20 and 29 years old. 45 people or 16.2% are between 30 and 39, 46 people or 16.6% are between 40 and 49, and 32 people or 11.6% are between