Barangay San Antonio Ogbon

Barangay San Antonio Ogbon forms part of Nabua, a municipality in Camarines Sur, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay San Antonio Ogbon had a population of 3,262. This made it the 5th largest of 42 barangays in Nabua by population, placing it among the most populous barangays of the municipality. Residents of Barangay San Antonio Ogbon accounted for approximately 3.77% of the total population of Nabua, which stood at 86,490 in the same census year.

The barangay recorded 2,871 residents in the 2015 intercensal count and 3,262 residents in the 2020 Census — a net change of +13.6%, consistent with a growing settlement. Barangay San Antonio Ogbon is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Nabua is a municipality comprising 42 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio Ogbon, including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay San Antonio Ogbon ranks 133rd by 2020 population. Camarines Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.