Barangay Santiago

Situated in San Joaquin, Iloilo, Barangay Santiago is one of 85 barangays that make up the municipality within Western Visayas.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santiago had a population of 128. This made it the 84th largest of 85 barangays in San Joaquin by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santiago accounted for approximately 0.24% of the total population of San Joaquin, which stood at 52,617 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santiago moving from 128 residents to 128 residents, an intercensal change of 0.0%. The trajectory indicates a broadly stable community. The Philippine Statistics Authority classifies Barangay Santiago as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Joaquin is a municipality comprising 85 barangays, and serves as the governing unit directly responsible for local services in Barangay Santiago, including public health, sanitation, peace and order, and civil registration. Within the wider province of Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay Santiago ranks 1712th by 2020 population. Iloilo 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.