Barangay Barbar

Barangay Barbar forms part of San Juan, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Barbar had a population of 1,360. This made it the 2nd largest of 32 barangays in San Juan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Barbar accounted for approximately 5.10% of the total population of San Juan, which stood at 26,674 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Barbar moving from 1,486 residents to 1,360 residents, an intercensal change of -8.5%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Barbar as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Juan is a municipality comprising 32 barangays, and serves as the governing unit directly responsible for local services in Barangay Barbar, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Barbar ranks 136th by 2020 population. Ilocos Sur 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.