San Manuel, officially the Municipality of San Manuel, is a municipality in the province of Pangasinan, Philippines. According to the 2020 cens…San Manuel, officially the Municipality of San Manuel, is a municipality in the province of Pangasinan, Philippines. According to the 2020 census, it has a population of 54,271 people. The town was named by Don Manuel Sequig upon its foundation in 1614. Its Poblacion was in Pau and had a population of 2,023.