Barangay San Agustin

Barangay San Agustin forms part of Alburquerque, a municipality in Bohol, 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 609. This made it the 10th largest of 11 barangays in Alburquerque by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Agustin accounted for approximately 5.42% of the total population of Alburquerque, which stood at 11,246 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Agustin moving from 552 residents to 609 residents, an intercensal change of +10.3%. 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.

Alburquerque is a municipality comprising 11 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 Bohol, which contains 1,109 barangays across its component cities and municipalities, Barangay San Agustin ranks 851st by 2020 population. Bohol 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.