Delfin Albano is a 4th class municipality in the province of Isabela, Philippines. According to the 2015 census, it has a population of 26,614 people. The municipality was formerly known as Magsaysay. It was named after the former congressman, Delfin Albano. ^ "Region II ". Census of Population : Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 20 June 2016.