Barangay San Agustin III

Situated in City of Dasmariñas, Cavite, Barangay San Agustin III is one of 75 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay San Agustin III had a population of 10,178. This made it the 20th largest of 75 barangays in City of Dasmariñas by population, placing it in the upper half of the city. Residents of Barangay San Agustin III accounted for approximately 1.45% of the total population of City of Dasmariñas, which stood at 703,141 in the same census year.

The barangay recorded 10,204 residents in the 2015 intercensal count and 10,178 residents in the 2020 Census — a net change of -0.3%, consistent with a broadly stable settlement. Barangay San Agustin III is officially classified as urban, reflecting the density and built-up character of the area.

City of Dasmariñas is a city comprising 75 barangays, and serves as the governing unit directly responsible for local services in Barangay San Agustin III, 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 III ranks 101st 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.

Barangay San Agustin III 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.