Barangay Del Pilar

Barangay Del Pilar forms part of Barotac Viejo, a municipality in Iloilo, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Del Pilar had a population of 742. This made it the 26th largest of 26 barangays in Barotac Viejo by population, placing it among the smaller barangays of the municipality. Residents of Barangay Del Pilar accounted for approximately 1.53% of the total population of Barotac Viejo, which stood at 48,614 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Del Pilar changed from 734 to 742, a shift of +1.1% over the five-year period. This places the barangay among those with slowly expanding populations in Barotac Viejo. Barangay Del Pilar is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Barotac Viejo is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Del Pilar, including public health, sanitation, peace and order, and civil registration. Within the wider province of Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay Del Pilar ranks 1019th by 2020 population. Iloilo is classified as a 1st 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.