Barangay San Antonio

Barangay San Antonio is a small barangay in the municipality of Rosales, located in the province of Pangasinan, in the Ilocos Region region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Antonio had a population of 1,222. This made it the 26th largest of 37 barangays in Rosales by population, placing it in the middle tier of the municipality. Residents of Barangay San Antonio accounted for approximately 1.83% of the total population of Rosales, which stood at 66,711 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Antonio moving from 1,227 residents to 1,222 residents, an intercensal change of -0.4%. The trajectory indicates a broadly stable community. The Philippine Statistics Authority classifies Barangay San Antonio as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Rosales is a municipality comprising 37 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio, 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 ranks 1048th 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.