Barangay Alilem Daya (Pob.)

Barangay Alilem Daya (Pob.) is a small barangay in the municipality of Alilem, located in the province of Ilocos Sur, in the Ilocos Region region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Alilem Daya (Pob.) had a population of 1,684. This made it the 1st largest of 9 barangays in Alilem by population, placing it among the most populous barangays of the municipality. Residents of Barangay Alilem Daya (Pob.) accounted for approximately 22.88% of the total population of Alilem, which stood at 7,361 in the same census year.

The barangay recorded 1,575 residents in the 2015 intercensal count and 1,684 residents in the 2020 Census — a net change of +6.9%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Alilem Daya (Pob.) as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Alilem is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Alilem Daya (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 Alilem Daya (Pob.) ranks 81st 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 Alilem Daya (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.