Barangay Poblacion

Classified as a small barangay, Barangay Poblacion is one of the administrative divisions of San Isidro in Abra, CAR, Philippines.

According to the 2020 Philippine census, Barangay Poblacion had a population of 606. This made it the 4th largest of 9 barangays in San Isidro by population, placing it in the middle tier of the municipality. Residents of Barangay Poblacion accounted for approximately 12.77% of the total population of San Isidro, which stood at 4,745 in the same census year.

The barangay recorded 634 residents in the 2015 intercensal count and 606 residents in the 2020 Census — a net change of -4.4%, consistent with a contracting settlement. Barangay Poblacion is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Isidro is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion, including public health, sanitation, peace and order, and civil registration. Within the wider province of Abra, which contains 303 barangays across its component cities and municipalities, Barangay Poblacion ranks 172nd by 2020 population. Abra is classified as a 3rd 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.