Delfin Albano, officially the Municipality of Delfin Albano, is a municipality in the province of Isabela, Philippines. According to the 2020 census…Delfin Albano, officially the Municipality of Delfin Albano, is a municipality in the province of Isabela, Philippines. According to the 2020 census, it has a population of 29,928 people. The municipality was formerly known as Magsaysay. It was named after the former congressman, Delfin Albano.