Barangay Idiacacan

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

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Idiacacan had a population of 1,799. This made it the 5th largest of 34 barangays in Pandan by population, placing it in the upper half of the municipality. Residents of Barangay Idiacacan accounted for approximately 5.00% of the total population of Pandan, which stood at 35,965 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Idiacacan moving from 1,736 residents to 1,799 residents, an intercensal change of +3.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Idiacacan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pandan is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Idiacacan, 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 Idiacacan ranks 80th 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.