Barangay San Diego Zone I (Pob.) is a local government unit in City of Tayabas, Quezon, in the CALABARZON region of the Philippines. It had a population of 422 as of the 2024 POPCEN.
Under Republic Act 12232, elected barangay officials serve a four-year term. Make sure you are registered and know your polling place before election day.
Primary PHLPost ZIP for City of Tayabas. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Conrado Cadag Aragon(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay San Diego Zone I (Pob.) · Data updated 2026-06-29
Historical Population
Philippine Statistics Authority
-27.6% since 2015
Population history of Barangay San Diego Zone I (Pob.) from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
583
—
—
2020 CPH
431
-152
-26.1%
2024 POPCEN
422
-9
-2.1%
2015–2020: -26.1% total (-5.86%/yr).2020–2024: -2.1% total (-0.53%/yr).
Source: PSA Census of Population (2015), Census of Population and Housing (2020), and POPCEN (2024) as published by the Philippine Statistics Authority. Figures are official as declared by Proclamation.
Comparative Context
2024 POPCEN
Rank in City of Tayabas
46thof 66
Among the lower half of City of Tayabas by population.
Share of City of Tayabas
0.37%
of the city's total 115,318 residents.
Rank in Quezon
1027thof 1,242
Province-wide percentile: 17.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
3rd
BLGF upper-middle fiscal capacity tier.
City of Tayabas (city) class
6th
Parent city income class — influences LGU services and budget that reach this barangay.
Rankings derived from the most recent PSA population data for each barangay. Classifications sourced from the Philippine Statistics Authority and Bureau of Local Government Finance.
About Barangay San Diego Zone I (Pob.)
Situated in City of Tayabas, Quezon, Barangay San Diego Zone I (Pob.) is one of 66 barangays that make up the city within CALABARZON.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Diego Zone I (Pob.) had a population of 422. This made it the 46th largest of 66 barangays in City of Tayabas by population, placing it in the middle tier of the city. Residents of Barangay San Diego Zone I (Pob.) accounted for approximately 0.37% of the total population of City of Tayabas, which stood at 115,318 in the same 2024 POPCEN reference period.
Read more about Barangay San Diego Zone I (Pob.)Show less
The barangay recorded 431 residents in the 2020 Census of Population and Housing and 422 residents in the 2024 POPCEN — a net change of -2.1%, consistent with a contracting settlement. Barangay San Diego 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 of 66 barangays, of which Barangay San Diego Zone I (Pob.) is one. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay San Diego Zone I (Pob.) ranks 1027th by 2024 POPCEN population. Quezon is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Compiled from official Philippine Statistics Authority census data and Philippine Standard Geographic Code records. Reviewed and published by the Barangay Directory editorial team. See our methodology for sources, verification process, and update cadence.
Important: Officials shown here reflect the 2023 - 2026 term. Barangay leadership can change due to resignation, succession, or special circumstances. Always verify directly with City of Tayabas or the barangay hall before relying on this information for any official transaction, legal matter, or formal communication. The next Barangay and SK Elections are scheduled for Monday, November 2, 2026.
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What you can request at Barangay San Diego Zone I (Pob.)
These services are available at every barangay hall in the Philippines under Republic Act 7160 (Local Government Code). Visit Barangay San Diego Zone I (Pob.) in City of Tayabas during office hours to request any of the following.
Services listed are based on Republic Act 7160 (Local Government Code of 1991). Specific requirements and fees vary by barangay. Always call the hall before visiting to confirm requirements and availability.
🆘Emergency Hotlines
Verified April 2026. In a life-threatening emergency, dial 911 first.
24/7 helpline for children in crisis, abuse, and trafficking cases.
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Frequently Asked Questions about Barangay San Diego Zone I (Pob.)
Where is Barangay San Diego Zone I (Pob.) located?▾
Barangay San Diego Zone I (Pob.) is a barangay in the City of Tayabas, Quezon, CALABARZON, Philippines.
What is the address of the Barangay San Diego Zone I (Pob.) hall?▾
Barangay San Diego Zone I (Pob.) is located in City of Tayabas, Quezon, CALABARZON, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay San Diego Zone I (Pob.)?▾
The Punong Barangay (barangay captain) of Barangay San Diego Zone I (Pob.) is Conrado Cadag Aragon (2023 - 2026 term).
How can I contact Barangay San Diego Zone I (Pob.)?▾
Verified contact information for Barangay San Diego Zone I (Pob.) is being collected. You can reach the local barangay hall in person or check the official City of Tayabas LGU website. Submit verified information using the form on this page.
What city is Barangay San Diego Zone I (Pob.) part of?▾
Barangay San Diego Zone I (Pob.) is one of 66 barangays in the City of Tayabas, Quezon, Philippines.
Is Barangay San Diego Zone I (Pob.) urban or rural?▾
Barangay San Diego Zone I (Pob.) is officially classified as rural by the Philippine Statistics Authority. Rural classification is applied to barangays with lower population density and predominantly non-built-up land use — often agricultural, coastal, or upland areas with more dispersed housing.
What is the income classification of City of Tayabas?▾
City of Tayabas is classified as a 6th by the Bureau of Local Government Finance. This classification is based on the city's annual regular income and broadly indicates the size of the local government's budget for services like health, sanitation, peace and order, and infrastructure that reach barangays such as Barangay San Diego Zone I (Pob.).
Has the population of Barangay San Diego Zone I (Pob.) been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Diego Zone I (Pob.) went from 431 residents to 422 — a change of -2.1% over the intercensal period. The barangay is slowly contracting based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay San Diego Zone I (Pob.) in?▾
Barangay San Diego Zone I (Pob.) is part of the CALABARZON administrative region of the Philippines. Within CALABARZON, the barangay falls under the province of Quezon, and is one of 66 barangays administered by City of Tayabas.
How many barangays are in City of Tayabas?▾
City of Tayabas has 66 barangays, including Barangay San Diego Zone I (Pob.). You can browse the full list on our City of Tayabas page.
How many residents does Barangay San Diego Zone I (Pob.) have?▾
Barangay San Diego Zone I (Pob.) had a population of 422 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay San Diego Zone I (Pob.)?▾
The primary PHLPost ZIP code for City of Tayabas is 4327. In most Philippine municipalities, this same ZIP applies to every barangay in the city. However, in NCR cities (Manila, Quezon City, Makati, etc.) and a few large cities like Cebu City, Davao City, and Baguio, each barangay may have its own ZIP code. For the most accurate ZIP for Barangay San Diego Zone I (Pob.), confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay San Diego Zone I (Pob.) was last updated on 2026-06-29. Barangay leadership, contact information, and hours can change — always verify directly with the barangay hall before relying on this information for any official transaction.
Looking for general barangay-services questions — barangay clearance, cedula, BSKE 2026, or emergency hotlines? See our barangay services guides.
Helpful Guides for Residents of Barangay San Diego Zone I (Pob.)
Information on Barangay San Diego Zone I (Pob.), City of Tayabas is compiled from the following authoritative sources. Each citation links to the primary publisher.
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-06-29.