Barangay Sixto T. Balanguit, Sr.

Situated in Pambujan, Northern Samar, Barangay Sixto T. Balanguit, Sr. is one of 26 barangays that make up the municipality within Eastern Visayas.

According to the 2020 Philippine census, Barangay Sixto T. Balanguit, Sr. had a population of 369. This made it the 26th largest of 26 barangays in Pambujan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Sixto T. Balanguit, Sr. accounted for approximately 1.04% of the total population of Pambujan, which stood at 35,532 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Sixto T. Balanguit, Sr. changed from 341 to 369, a shift of +8.2% over the five-year period. This places the barangay among those with growing populations in Pambujan. Barangay Sixto T. Balanguit, Sr. is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pambujan is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Sixto T. Balanguit, Sr., including public health, sanitation, peace and order, and civil registration. Within the wider province of Northern Samar, which contains 569 barangays across its component cities and municipalities, Barangay Sixto T. Balanguit, Sr. ranks 494th by 2020 population. Northern Samar 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.