Barangay Agat

Situated in Sison, Pangasinan, Barangay Agat is one of 28 barangays that make up the municipality within Ilocos Region.

According to the 2020 Philippine census, Barangay Agat had a population of 1,598. This made it the 17th largest of 28 barangays in Sison by population, placing it in the middle tier of the municipality. Residents of Barangay Agat accounted for approximately 3.05% of the total population of Sison, which stood at 52,320 in the same census year.

The barangay recorded 1,310 residents in the 2015 intercensal count and 1,598 residents in the 2020 Census — a net change of +22.0%, consistent with a growing settlement. Barangay Agat is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Sison is a municipality comprising 28 barangays, and serves as the governing unit directly responsible for local services in Barangay Agat, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pangasinan, which contains 1,364 barangays across its component cities and municipalities, Barangay Agat ranks 836th by 2020 population. Pangasinan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Agat is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.