Barangay San Antonio

Situated in Gigaquit, Surigao Del Norte, Barangay San Antonio is one of 13 barangays that make up the municipality within Caraga.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Antonio had a population of 1,156. This made it the 9th largest of 13 barangays in Gigaquit by population, placing it in the middle tier of the municipality. Residents of Barangay San Antonio accounted for approximately 5.29% of the total population of Gigaquit, which stood at 21,849 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Antonio moving from 976 residents to 1,156 residents, an intercensal change of +18.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Antonio as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Gigaquit is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio, including public health, sanitation, peace and order, and civil registration. Within the wider province of Surigao Del Norte, which contains 335 barangays across its component cities and municipalities, Barangay San Antonio ranks 148th by 2020 population. Surigao Del Norte is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay San Antonio is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.