Barangay Sulvec

Situated in Narvacan, Ilocos Sur, Barangay Sulvec is one of 34 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 Sulvec had a population of 2,277. This made it the 3rd largest of 34 barangays in Narvacan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Sulvec accounted for approximately 4.92% of the total population of Narvacan, which stood at 46,234 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sulvec moving from 2,005 residents to 2,277 residents, an intercensal change of +13.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Sulvec as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Narvacan is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Sulvec, 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 Sulvec ranks 31st 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 Sulvec 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.