Barangay Santa Teresa

Situated in Bagamanoc, Catanduanes, Barangay Santa Teresa is one of 18 barangays that make up the municipality within Bicol Region.

According to the 2020 Philippine census, Barangay Santa Teresa had a population of 619. This made it the 10th largest of 18 barangays in Bagamanoc by population, placing it in the middle tier of the municipality. Residents of Barangay Santa Teresa accounted for approximately 5.58% of the total population of Bagamanoc, which stood at 11,086 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Teresa moving from 702 residents to 619 residents, an intercensal change of -11.8%. The trajectory indicates a contracting community. Barangay Santa Teresa is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bagamanoc is a municipality comprising 18 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Teresa, including public health, sanitation, peace and order, and civil registration. Within the wider province of Catanduanes, which contains 315 barangays across its component cities and municipalities, Barangay Santa Teresa ranks 182nd by 2020 population. Catanduanes is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Santa Teresa 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.