Barangay Sibsibbu

Barangay Sibsibbu is a small barangay in the municipality of San Emilio, located in the province of Ilocos Sur, in the Ilocos Region region of the Philippines.

According to the 2020 Philippine census, Barangay Sibsibbu had a population of 621. This made it the 7th largest of 8 barangays in San Emilio by population, placing it among the smaller barangays of the municipality. Residents of Barangay Sibsibbu accounted for approximately 8.62% of the total population of San Emilio, which stood at 7,206 in the same census year.

The barangay recorded 656 residents in the 2015 intercensal count and 621 residents in the 2020 Census — a net change of -5.3%, consistent with a contracting settlement. Barangay Sibsibbu is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Emilio is a municipality comprising 8 barangays, and serves as the governing unit directly responsible for local services in Barangay Sibsibbu, 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 Sibsibbu ranks 490th 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.