Balabagan, officially the Municipality of Balabagan, is a municipality in the province of Lanao del Sur, Philippines. According to the 2020 census…Balabagan, officially the Municipality of Balabagan, is a municipality in the province of Lanao del Sur, Philippines. According to the 2020 census, it has a population of 29,863 people. According to the 2024 census, it has a population of 29,955 people.