Barangay Mabini

Barangay Mabini forms part of Sibalom, a municipality in Antique, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Mabini had a population of 750. This made it the 30th largest of 76 barangays in Sibalom by population, placing it in the middle tier of the municipality. Residents of Barangay Mabini accounted for approximately 1.17% of the total population of Sibalom, which stood at 63,833 in the same census year.

The barangay recorded 673 residents in the 2015 intercensal count and 750 residents in the 2020 Census — a net change of +11.4%, consistent with a growing settlement. Barangay Mabini 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 Mabini, 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 Mabini ranks 302nd 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.

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.