Delley-Portalban is a municipality in the district of Broye, in the canton of Fribourg, Switzerland. The municipality was created on 1 January 2005 from the merger of Delley and Portalban.HistoryDelley is first mentioned in 1342 as Deler. Portalban is first mentioned in 1166 as Portubanni.GeographyDelley-Portalban has an area, of 7.3km2. Of this area, 4.65km2 or 64.0% is used for agricultural purposes, while 0.98km2 or 13.5% is forested. Of the rest of the land, 0.87km2 or 12.0% is settled (buildings or roads), 0.04km2 or 0.6% is either rivers or lakes and 0.72km2 or 9.9% is unproductive land.Of the built up area, housing and buildings made up 7.3% and transportation infrastructure made up 2.8%. while parks, green belts and sports fields made up 1.7%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 58.3% is used for growing crops and 4.4% is pastures, while 1.4% is used for orchards or vine crops. All the water in the municipality is in lakes.The municipality is located in the Broye district, directly connected to the main part of the Canton of Fribourg. It consists of the villages of Delley and Portalban and the hamlets of Grange-des-Bois, Portalban-Dessus and Moulin de Glâne.DemographicsDelley-Portalban has a population of., 11.0% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 27.5%. Migration accounted for 26.3%, while births and deaths accounted for 0.7%.