Barangay San Agustin

Situated in Santa Rita, Pampanga, Barangay San Agustin is one of 10 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 3,792. This made it the 5th largest of 10 barangays in Santa Rita by population, placing it in the middle tier of the municipality. Residents of Barangay San Agustin accounted for approximately 7.87% of the total population of Santa Rita, which stood at 48,209 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Agustin moving from 3,113 residents to 3,792 residents, an intercensal change of +21.8%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Agustin as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Rita is a municipality comprising 10 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 230th 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.

Like every Philippine barangay, Barangay San Agustin 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.