Barangay Tangbao

Situated in San Isidro, Abra, Barangay Tangbao is one of 9 barangays that make up the municipality within CAR.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Tangbao had a population of 661. This made it the 2nd largest of 9 barangays in San Isidro by population, placing it in the upper half of the municipality. Residents of Barangay Tangbao accounted for approximately 13.93% of the total population of San Isidro, which stood at 4,745 in the same census year.

The barangay recorded 640 residents in the 2015 intercensal count and 661 residents in the 2020 Census — a net change of +3.3%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Tangbao 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 Tangbao, 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 Tangbao ranks 156th 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.