Barangay Santa Lucia (Pob.)

Barangay Santa Lucia (Pob.) forms part of Narvacan, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santa Lucia (Pob.) had a population of 1,521. This made it the 12th largest of 34 barangays in Narvacan by population, placing it in the middle tier of the municipality. Residents of Barangay Santa Lucia (Pob.) accounted for approximately 3.29% of the total population of Narvacan, which stood at 46,234 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Lucia (Pob.) moving from 1,574 residents to 1,521 residents, an intercensal change of -3.4%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Santa Lucia (Pob.) as urban, reflecting the density and built-up character of the area.

Narvacan is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Lucia (Pob.), 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 Santa Lucia (Pob.) ranks 100th 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 Santa Lucia (Pob.) 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.