Barangay Lubong

Situated in San Vicente, Ilocos Sur, Barangay Lubong is one of 7 barangays that make up the municipality within Ilocos Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Lubong had a population of 1,190. This made it the 7th largest of 7 barangays in San Vicente by population, placing it among the smaller barangays of the municipality. Residents of Barangay Lubong accounted for approximately 9.07% of the total population of San Vicente, which stood at 13,118 in the same census year.

The barangay recorded 1,203 residents in the 2015 intercensal count and 1,190 residents in the 2020 Census — a net change of -1.1%, consistent with a broadly stable settlement. The Philippine Statistics Authority classifies Barangay Lubong as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Vicente is a municipality comprising 7 barangays, and serves as the governing unit directly responsible for local services in Barangay Lubong, 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 Lubong ranks 182nd 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 Lubong 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.