Barangay Quirino (Pob.)

Barangay Quirino (Pob.) forms part of Tagudin, 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 Quirino (Pob.) had a population of 666. This made it the 30th largest of 43 barangays in Tagudin by population, placing it in the middle tier of the municipality. Residents of Barangay Quirino (Pob.) accounted for approximately 1.60% of the total population of Tagudin, which stood at 41,538 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Quirino (Pob.) moving from 660 residents to 666 residents, an intercensal change of +0.9%. The trajectory indicates a slowly expanding community. The Philippine Statistics Authority classifies Barangay Quirino (Pob.) as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tagudin is a municipality comprising 43 barangays, and serves as the governing unit directly responsible for local services in Barangay Quirino (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 Quirino (Pob.) ranks 453rd 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.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.