Barangay San Antonio-Arzadon

Barangay San Antonio-Arzadon forms part of San Manuel, a municipality in Pangasinan, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay San Antonio-Arzadon had a population of 2,816. This made it the 10th largest of 14 barangays in San Manuel by population, placing it in the middle tier of the municipality. Residents of Barangay San Antonio-Arzadon accounted for approximately 5.19% of the total population of San Manuel, which stood at 54,271 in the same census year.

The barangay recorded 2,599 residents in the 2015 intercensal count and 2,816 residents in the 2020 Census — a net change of +8.3%, consistent with a growing settlement. Barangay San Antonio-Arzadon is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Manuel is a municipality comprising 14 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio-Arzadon, 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 San Antonio-Arzadon ranks 357th 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.

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.