Barangay Angustias Zone I (Pob.)

Classified as a very small barangay, Barangay Angustias Zone I (Pob.) is one of the administrative divisions of City of Tayabas in Quezon, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Angustias Zone I (Pob.) had a population of 412. This made it the 50th largest of 66 barangays in City of Tayabas by population, placing it among the smaller barangays of the city. Residents of Barangay Angustias Zone I (Pob.) accounted for approximately 0.37% of the total population of City of Tayabas, which stood at 112,658 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Angustias Zone I (Pob.) moving from 591 residents to 412 residents, an intercensal change of -30.3%. The trajectory indicates a contracting community. Barangay Angustias Zone I (Pob.) is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Tayabas is a city comprising 66 barangays, and serves as the governing unit directly responsible for local services in Barangay Angustias Zone I (Pob.), 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 Angustias Zone I (Pob.) ranks 1005th 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 Angustias Zone I (Pob.) 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.