Barangay San Antonio

Classified as a mid-sized barangay, Barangay San Antonio is one of the administrative divisions of Magalang in Pampanga, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay San Antonio had a population of 2,083. This made it the 22nd largest of 27 barangays in Magalang by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Antonio accounted for approximately 1.68% of the total population of Magalang, which stood at 124,188 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Antonio changed from 1,754 to 2,083, a shift of +18.8% over the five-year period. This places the barangay among those with growing populations in Magalang. Barangay San Antonio is officially classified as urban, reflecting the density and built-up character of the area.

Magalang is a municipality comprising 27 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 Pampanga, which contains 538 barangays across its component cities and municipalities, Barangay San Antonio ranks 394th by 2020 population. Pampanga 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.