Tagum, officially the City of Tagum, is a component city and capital of the Davao del Norte, Philippines. According to the 2020 census, it has a …Tagum, officially the City of Tagum, is a component city and capital of the Davao del Norte, Philippines. According to the 2020 census, it has a population of 296,202, making it the most populous component city in Mindanao and in Davao del Norte, as well as the second most populous in Davao Region after Davao City.