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 Basco. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
John Paul Alcazar Castillo(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay San Joaquin · Data updated 2026-05-25
About Barangay San Joaquin
Barangay San Joaquin is a small barangay in the municipality of Basco, located in the province of Batanes, in the Cagayan Valley region of the Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Joaquin had a population of 529. This made it the 5th largest of 6 barangays in Basco by population, placing it in the middle tier of the municipality. Residents of Barangay San Joaquin accounted for approximately 5.48% of the total population of Basco, which stood at 9,647 in the same 2024 POPCEN reference period.
Read more about Barangay San JoaquinShow less
Between the 2020 Census of Population and Housing and the 2024 POPCEN, the population of Barangay San Joaquin changed from 540 to 529, a shift of -2.0% over the four-year period. This places the barangay among those with contracting populations in Basco. Barangay San Joaquin is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Basco is a municipality comprising 6 barangays, and serves as the governing unit directly responsible for local services in Barangay San Joaquin, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batanes, which contains 29 barangays across its component cities and municipalities, Barangay San Joaquin ranks 9th by 2024 POPCEN population. Batanes is classified as a 5th 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.
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 Basco 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.
An AI-powered Civil Service Exam reviewer for Filipino candidates. Practice questions across all CSE topics, a full 170-item mock exam (professional + subprofessional), an AI Tutor that explains concepts step by step in English or Filipino, plus a Document Analyzer for your study notes and 65 Smart Flashcards.
Population history of Barangay San Joaquin from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
384
—
—
2020 CPH
540
+156
+40.6%
2024 POPCEN
529
-11
-2.0%
2015–2020: +40.6% total (+7.06%/yr).2020–2024: -2.0% total (-0.51%/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 Basco
5thof 6
Among the lower half of Basco by population.
Share of Basco
5.5%
of the municipality's total 9,647 residents.
Rank in Batanes
9thof 29
Province-wide percentile: 72.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
4th
BLGF middle fiscal capacity tier.
Basco (municipality) class
5th
Parent municipality 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.
These services are available at every barangay hall in the Philippines under Republic Act 7160 (Local Government Code). Visit Barangay San Joaquin in Basco 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.
Notice a hotline change? Report it so we can update this page.
Frequently Asked Questions about Barangay San Joaquin
Where is Barangay San Joaquin located?▾
Barangay San Joaquin is a barangay in the municipality of Basco, Batanes, Cagayan Valley, Philippines.
What is the address of the Barangay San Joaquin hall?▾
Barangay San Joaquin is located in Basco, Batanes, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay San Joaquin?▾
The Punong Barangay of Barangay San Joaquin is John Paul Alcazar Castillo (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay San Joaquin?▾
Verified contact information for Barangay San Joaquin is being collected. You can reach the local barangay hall in person or check the official Basco LGU website. Submit verified information using the form on this page.
What municipality is Barangay San Joaquin part of?▾
Barangay San Joaquin is one of 6 barangays in the municipality of Basco, Batanes, Philippines.
Is Barangay San Joaquin urban or rural?▾
Barangay San Joaquin 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 Basco?▾
Basco is classified as a 5th by the Bureau of Local Government Finance. This classification is based on the municipality'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 Joaquin.
Has the population of Barangay San Joaquin been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Joaquin went from 540 residents to 529 — a change of -2.0% 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 Joaquin in?▾
Barangay San Joaquin is part of the Cagayan Valley administrative region of the Philippines. Within Cagayan Valley, the barangay falls under the province of Batanes, and is one of 6 barangays administered by Basco.
How many barangays are in Basco?▾
Basco has 6 barangays, including Barangay San Joaquin. You can browse the full list on our Basco page.
How many residents does Barangay San Joaquin have?▾
Barangay San Joaquin had a population of 529 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay San Joaquin?▾
The primary PHLPost ZIP code for Basco is 3900. 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 Joaquin, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay San Joaquin was last updated on 2026-05-25. 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 Joaquin
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-25.
