Barangay San Agustin

Barangay San Agustin forms part of Dumalag, a municipality in Capiz, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Agustin had a population of 681. This made it the 15th largest of 19 barangays in Dumalag by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Agustin accounted for approximately 2.26% of the total population of Dumalag, which stood at 30,098 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Agustin moving from 663 residents to 681 residents, an intercensal change of +2.7%. 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.

Dumalag is a municipality comprising 19 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 Capiz, which contains 473 barangays across its component cities and municipalities, Barangay San Agustin ranks 407th by 2020 population. Capiz 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.