Barangay Santa Barbara

Situated in Bulusan, Sorsogon, Barangay Santa Barbara is one of 24 barangays that make up the municipality within Bicol Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santa Barbara had a population of 983. This made it the 12th largest of 24 barangays in Bulusan by population, placing it in the middle tier of the municipality. Residents of Barangay Santa Barbara accounted for approximately 4.11% of the total population of Bulusan, which stood at 23,932 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Barbara moving from 1,068 residents to 983 residents, an intercensal change of -8.0%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Santa Barbara as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bulusan is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Barbara, including public health, sanitation, peace and order, and civil registration. Within the wider province of Sorsogon, which contains 541 barangays across its component cities and municipalities, Barangay Santa Barbara ranks 335th by 2020 population. Sorsogon is classified as a 2nd 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.