Barangay Bongbongan I

Situated in Sibalom, Antique, Barangay Bongbongan I is one of 76 barangays that make up the municipality within Western Visayas.

According to the 2020 Philippine census, Barangay Bongbongan I had a population of 722. This made it the 34th largest of 76 barangays in Sibalom by population, placing it in the middle tier of the municipality. Residents of Barangay Bongbongan I accounted for approximately 1.13% of the total population of Sibalom, which stood at 63,833 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Bongbongan I moving from 760 residents to 722 residents, an intercensal change of -5.0%. The trajectory indicates a contracting community. Barangay Bongbongan I is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Sibalom is a municipality comprising 76 barangays, and serves as the governing unit directly responsible for local services in Barangay Bongbongan I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Antique, which contains 590 barangays across its component cities and municipalities, Barangay Bongbongan I ranks 315th by 2020 population. Antique is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bongbongan I 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.