Ponthaux (; ) is a municipality in the district of Sarine in the canton of Fribourg in Switzerland. History Ponthaux is first mentioned in 1142 as Pontet. Geography Ponthaux, , has an area of . Of this area, or 70.8% is used for agricultural purposes, while or 23.1% is forested. Of the rest of the land, or 6.6% is settled (buildings or roads) and or 0.2% is unproductive land. Of the built up area, housing and buildings made up 4.6% and transportation infrastructure made up 1.5%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 49.0% is used for growing crops and 19.6% is pastures, while 2.2% is used for orchards or vine crops. The municipality is located in the Sarine district. It consists of the village of Ponthaux and since the merger on 1 January 1981, the former municipality of Nierlet-les-Bois. Coat of arms The blazon of the municipal coat of arms is Pally of Six Argent and Gules and in a Chief of the first a Cross bottony of the second between two Oak Leaves Vert. Demographics Ponthaux has a population () of . , 7.3% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 26.4%. Migration accounted for 15.6%, while births and deaths accounted for 7.9%. Most of the population () speaks French (435 or 89.1%) as their first language, German is the second most common (43 or 8.8%) and Portuguese is the third (4 or 0.8%). There are 3 people who speak Italian. , the population was 49.8% male and 50.2% female. The population was made up of 273 Swiss men (44.7% of the population) and 31 (5.1%) non-Swiss men. There were 287 Swiss women (47.0%) and 20 (3.3%) non-Swiss women. Of the population in the municipality, 195 or about 40.0% were born in Ponthaux and lived there in 2000. There were 192 or 39.3% who were born in the same canton, while 69 or 14.1% were born somewhere else in Switzerland, and 32 or 6.6% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 29.7% of the population, while adults (20–64 years old) make up 61.1% and seniors (over 64 years old) make up 9.2%. , there were 213 people who were single and never married in