Barangay Banuanbayo (Pob.)

Barangay Banuanbayo (Pob.) forms part of Cabangan, a municipality in Zambales, and is classified as a very small barangay.

According to the 2020 Philippine census, Barangay Banuanbayo (Pob.) had a population of 329. This made it the 22nd largest of 22 barangays in Cabangan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Banuanbayo (Pob.) accounted for approximately 1.17% of the total population of Cabangan, which stood at 28,118 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Banuanbayo (Pob.) changed from 275 to 329, a shift of +19.6% over the five-year period. This places the barangay among those with growing populations in Cabangan. Barangay Banuanbayo (Pob.) is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Cabangan is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Banuanbayo (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Zambales, which contains 247 barangays across its component cities and municipalities, Barangay Banuanbayo (Pob.) ranks 230th by 2020 population. Zambales is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Banuanbayo (Pob.) 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.