Barangay Santo Tomas

Barangay Santo Tomas forms part of Tagkawayan, a municipality in Quezon, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Santo Tomas had a population of 845. This made it the 25th largest of 45 barangays in Tagkawayan by population, placing it in the middle tier of the municipality. Residents of Barangay Santo Tomas accounted for approximately 1.56% of the total population of Tagkawayan, which stood at 54,003 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Santo Tomas changed from 826 to 845, a shift of +2.3% over the five-year period. This places the barangay among those with growing populations in Tagkawayan. Barangay Santo Tomas is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tagkawayan is a municipality comprising 45 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 Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Santo Tomas ranks 693rd by 2020 population. Quezon is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Santo Tomas is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.