Barangay San Agustin

Situated in San Simon, Pampanga, Barangay San Agustin is one of 14 barangays that make up the municipality within Central Luzon.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Agustin had a population of 2,147. This made it the 13th largest of 14 barangays in San Simon by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Agustin accounted for approximately 3.63% of the total population of San Simon, which stood at 59,182 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Agustin changed from 2,119 to 2,147, a shift of +1.3% over the five-year period. This places the barangay among those with slowly expanding populations in San Simon. The Philippine Statistics Authority classifies Barangay San Agustin as urban, reflecting the density and built-up character of the area.

San Simon is a municipality comprising 14 barangays, and serves as the governing unit directly responsible for local services in Barangay San Agustin, 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 Agustin ranks 388th 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.

Barangay San Agustin 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.