Barangay Patoc-ao

Situated in Suyo, Ilocos Sur, Barangay Patoc-ao is one of 8 barangays that make up the municipality within Ilocos Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Patoc-ao had a population of 621. This made it the 8th largest of 8 barangays in Suyo by population, placing it among the smaller barangays of the municipality. Residents of Barangay Patoc-ao accounted for approximately 5.77% of the total population of Suyo, which stood at 10,766 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Patoc-ao changed from 700 to 621, a shift of -11.3% over the five-year period. This places the barangay among those with contracting populations in Suyo. The Philippine Statistics Authority classifies Barangay Patoc-ao as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Suyo is a municipality comprising 8 barangays, and serves as the governing unit directly responsible for local services in Barangay Patoc-ao, 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 Patoc-ao ranks 491st 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.