Barangay Buisan

Situated in Bustos, Bulacan, Barangay Buisan is one of 14 barangays that make up the municipality within Central Luzon.

According to the 2020 Philippine census, Barangay Buisan had a population of 1,876. This made it the 14th largest of 14 barangays in Bustos by population, placing it among the smaller barangays of the municipality. Residents of Barangay Buisan accounted for approximately 2.43% of the total population of Bustos, which stood at 77,199 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Buisan moving from 1,869 residents to 1,876 residents, an intercensal change of +0.4%. The trajectory indicates a slowly expanding community. Barangay Buisan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bustos is a municipality comprising 14 barangays, and serves as the governing unit directly responsible for local services in Barangay Buisan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Buisan ranks 493rd by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Buisan is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.