Barangay Bangin

Barangay Bangin forms part of Agoncillo, a municipality in Batangas, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bangin had a population of 2,506. This made it the 7th largest of 21 barangays in Agoncillo by population, placing it in the upper half of the municipality. Residents of Barangay Bangin accounted for approximately 6.41% of the total population of Agoncillo, which stood at 39,101 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Bangin moving from 1,822 residents to 2,506 residents, an intercensal change of +37.5%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Bangin as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Agoncillo is a municipality comprising 21 barangays, and serves as the governing unit directly responsible for local services in Barangay Bangin, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Bangin ranks 386th by 2020 population. Batangas 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 Bangin 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.