Barangay Calungboyan

Barangay Calungboyan forms part of Santa, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Calungboyan had a population of 547. This made it the 13th largest of 26 barangays in Santa by population, placing it in the middle tier of the municipality. Residents of Barangay Calungboyan accounted for approximately 3.65% of the total population of Santa, which stood at 14,992 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Calungboyan changed from 593 to 547, a shift of -7.8% over the five-year period. This places the barangay among those with contracting populations in Santa. Barangay Calungboyan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Calungboyan, 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 Calungboyan ranks 544th 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.