Barangay Lamag

Situated in Quirino, Ilocos Sur, Barangay Lamag is one of 9 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 Lamag had a population of 692. This made it the 8th largest of 9 barangays in Quirino by population, placing it among the smaller barangays of the municipality. Residents of Barangay Lamag accounted for approximately 7.44% of the total population of Quirino, which stood at 9,306 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Lamag changed from 553 to 692, a shift of +25.1% over the five-year period. This places the barangay among those with growing populations in Quirino. The Philippine Statistics Authority classifies Barangay Lamag as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Quirino is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Lamag, 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 Lamag ranks 432nd 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.