Barangay San Agustin II

Classified as a small barangay, Barangay San Agustin II is one of the administrative divisions of Naujan in Oriental Mindoro, MIMAROPA Region, Philippines.

According to the 2020 Philippine census, Barangay San Agustin II had a population of 1,668. This made it the 26th largest of 70 barangays in Naujan by population, placing it in the middle tier of the municipality. Residents of Barangay San Agustin II accounted for approximately 1.52% of the total population of Naujan, which stood at 109,587 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Agustin II moving from 1,655 residents to 1,668 residents, an intercensal change of +0.8%. The trajectory indicates a slowly expanding community. Barangay San Agustin II is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Naujan is a municipality comprising 70 barangays, and serves as the governing unit directly responsible for local services in Barangay San Agustin II, including public health, sanitation, peace and order, and civil registration. Within the wider province of Oriental Mindoro, which contains 426 barangays across its component cities and municipalities, Barangay San Agustin II ranks 226th by 2020 population. Oriental Mindoro 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 II 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.