Barangay Santiago

Barangay Santiago forms part of Concepcion, a municipality in Tarlac, and is classified as a large barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santiago had a population of 5,686. This made it the 8th largest of 45 barangays in Concepcion by population, placing it in the upper half of the municipality. Residents of Barangay Santiago accounted for approximately 3.35% of the total population of Concepcion, which stood at 169,953 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santiago moving from 5,391 residents to 5,686 residents, an intercensal change of +5.5%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Santiago as urban, reflecting the density and built-up character of the area.

Concepcion is a municipality comprising 45 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 Tarlac, which contains 511 barangays across its component cities and municipalities, Barangay Santiago ranks 49th by 2020 population. Tarlac 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.