Buluan is a 4th class municipality and the provincial capital in the province of Maguindanao, Philippines. According to the 2015 census, it has a population of 50,008 people. The town was recognized by the Sangguniang Panlalawigan of Maguindanao as the new provincial capital in 2014, a move seen as the solution to the decades-old issue of Maguindanao's lack of a permanent provincial capitol due to local clan politics. ^ Census of Population. "ARMM - Autonomous Region in Muslim Mindanao".