Barangay San Vicente

Situated in Lidlidda, Ilocos Sur, Barangay San Vicente is one of 11 barangays that make up the municipality within Ilocos Region.

According to the 2020 Philippine census, Barangay San Vicente had a population of 452. This made it the 4th largest of 11 barangays in Lidlidda by population, placing it in the upper half of the municipality. Residents of Barangay San Vicente accounted for approximately 9.61% of the total population of Lidlidda, which stood at 4,705 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Vicente changed from 420 to 452, a shift of +7.6% over the five-year period. This places the barangay among those with growing populations in Lidlidda. Barangay San Vicente is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Lidlidda is a municipality comprising 11 barangays, and serves as the governing unit directly responsible for local services in Barangay San Vicente, 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 San Vicente ranks 613th 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 San Vicente 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.