Barangay Agliam

Barangay Agliam is a very small barangay in the municipality of San Manuel, located in the province of Isabela, in the Cagayan Valley region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Agliam had a population of 430. This made it the 19th largest of 19 barangays in San Manuel by population, placing it among the smaller barangays of the municipality. Residents of Barangay Agliam accounted for approximately 1.26% of the total population of San Manuel, which stood at 34,085 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Agliam changed from 393 to 430, a shift of +9.4% over the five-year period. This places the barangay among those with growing populations in San Manuel. The Philippine Statistics Authority classifies Barangay Agliam as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Manuel is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay Agliam, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Agliam ranks 979th by 2020 population. Isabela is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Agliam 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.