Barangay Santo Tomas

Situated in City of Biñan, Laguna, Barangay Santo Tomas is one of 24 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay Santo Tomas had a population of 55,649. This made it the 1st largest of 24 barangays in City of Biñan by population, placing it among the most populous barangays of the city. Residents of Barangay Santo Tomas accounted for approximately 13.66% of the total population of City of Biñan, which stood at 407,437 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Tomas moving from 43,078 residents to 55,649 residents, an intercensal change of +29.2%. The trajectory indicates a growing community. Barangay Santo Tomas is officially classified as urban, reflecting the density and built-up character of the area.

City of Biñan is a city comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Tomas, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay Santo Tomas ranks 5th by 2020 population. Laguna 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.