Barangay Santa Teresita

Situated in Guinayangan, Quezon, Barangay Santa Teresita is one of 54 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay Santa Teresita had a population of 456. This made it the 33rd largest of 54 barangays in Guinayangan by population, placing it in the middle tier of the municipality. Residents of Barangay Santa Teresita accounted for approximately 1.04% of the total population of Guinayangan, which stood at 44,045 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Santa Teresita changed from 397 to 456, a shift of +14.9% over the five-year period. This places the barangay among those with growing populations in Guinayangan. Barangay Santa Teresita is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Guinayangan is a municipality comprising 54 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Teresita, 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 Santa Teresita ranks 966th 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.

Barangay Santa Teresita 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.