Calasiao, officially the Municipality of Calasiao, is a municipality in the province of Pangasinan, Philippines. According to the 2020 census, i…Calasiao, officially the Municipality of Calasiao, is a municipality in the province of Pangasinan, Philippines. According to the 2020 census, it has a population of 100,471 people. Today, Calasiao is known as a first class, highly commercialized municipality and is strategically located at the heart of Pangasinan. It consists of 24 barangays and 31 sitios across a total land area of 4,836 hectares. Being a town adjacent to the city of Dagupan, the municipality's economic activities are fed by the demand in Dagupan as the town increasingly becomes an important satellite commercial hub for the immediate area. In terms of delicacy, Calasiao's flagship product is the native rice cake known as Puto Calasiao.