Barangay Buga

Classified as a small barangay, Barangay Buga is one of the administrative divisions of San Miguel in Bulacan, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay Buga had a population of 1,680. This made it the 45th largest of 49 barangays in San Miguel by population, placing it among the smaller barangays of the municipality. Residents of Barangay Buga accounted for approximately 0.98% of the total population of San Miguel, which stood at 172,073 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Buga moving from 1,512 residents to 1,680 residents, an intercensal change of +11.1%. The trajectory indicates a growing community. Barangay Buga is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Miguel is a municipality comprising 49 barangays, and serves as the governing unit directly responsible for local services in Barangay Buga, 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 Buga ranks 519th 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.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.