Mangudadatu, officially the Municipality of Mangudadatu, is a municipality in the province of Maguindanao del Sur, Philippines. According to th…Mangudadatu, officially the Municipality of Mangudadatu, is a municipality in the province of Maguindanao del Sur, Philippines. According to the 2020 census, it has a population of 26,203 people. It was created out of 8 barangays of Buluan, by virtue of Muslim Mindanao Autonomy Act No. 204, which was subsequently ratified in a plebiscite held on December 30, 2006.