Barangay Sinabaan

Barangay Sinabaan forms part of Santa Catalina, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Sinabaan had a population of 1,379. This made it the 5th largest of 9 barangays in Santa Catalina by population, placing it in the middle tier of the municipality. Residents of Barangay Sinabaan accounted for approximately 9.51% of the total population of Santa Catalina, which stood at 14,493 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sinabaan moving from 1,237 residents to 1,379 residents, an intercensal change of +11.5%. The trajectory indicates a growing community. Barangay Sinabaan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Catalina is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinabaan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Sinabaan ranks 127th by 2020 population. Ilocos Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Sinabaan is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.