Barangay Sinabbaran

Situated in Angadanan, Isabela, Barangay Sinabbaran is one of 59 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sinabbaran had a population of 429. This made it the 47th largest of 59 barangays in Angadanan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Sinabbaran accounted for approximately 0.95% of the total population of Angadanan, which stood at 44,977 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Sinabbaran changed from 361 to 429, a shift of +18.8% over the five-year period. This places the barangay among those with growing populations in Angadanan. The Philippine Statistics Authority classifies Barangay Sinabbaran as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Angadanan is a municipality comprising 59 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinabbaran, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Sinabbaran ranks 980th by 2020 population. Isabela 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.