Barangay San Agustin (Pob.)

Situated in City of Trece Martires, Cavite, Barangay San Agustin (Pob.) is one of 13 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay San Agustin (Pob.) had a population of 9,307. This made it the 9th largest of 13 barangays in City of Trece Martires by population, placing it in the middle tier of the city. Residents of Barangay San Agustin (Pob.) accounted for approximately 4.42% of the total population of City of Trece Martires, which stood at 210,503 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Agustin (Pob.) moving from 9,101 residents to 9,307 residents, an intercensal change of +2.3%. The trajectory indicates a growing community. Barangay San Agustin (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

City of Trece Martires is a city comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay San Agustin (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Cavite, which contains 829 barangays across its component cities and municipalities, Barangay San Agustin (Pob.) ranks 110th by 2020 population. Cavite 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 (Pob.) 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.