Barangay Malamin

Barangay Malamin is a small barangay in the municipality of San Juan, 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 Malamin had a population of 699. This made it the 22nd largest of 32 barangays in San Juan by population, placing it in the middle tier of the municipality. Residents of Barangay Malamin accounted for approximately 2.62% of the total population of San Juan, which stood at 26,674 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Malamin changed from 656 to 699, a shift of +6.6% over the five-year period. This places the barangay among those with growing populations in San Juan. The Philippine Statistics Authority classifies Barangay Malamin as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Juan is a municipality comprising 32 barangays, and serves as the governing unit directly responsible for local services in Barangay Malamin, 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 Malamin ranks 428th 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.