Barangay Casabaan

Barangay Casabaan forms part of Cabangan, a municipality in Zambales, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Casabaan had a population of 703. This made it the 18th largest of 22 barangays in Cabangan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Casabaan accounted for approximately 2.50% of the total population of Cabangan, which stood at 28,118 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Casabaan moving from 604 residents to 703 residents, an intercensal change of +16.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Casabaan 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 Casabaan, 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 Casabaan ranks 209th 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 Casabaan 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.