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Primary PHLPost ZIP for Castilla. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Jose Bitancur Bio III(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay San Rafael · Data updated 2026-05-24
About Barangay San Rafael
Barangay San Rafael forms part of Castilla, a municipality in Sorsogon, and is classified as a small barangay.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Rafael had a population of 1,893. This made it the 13th largest of 34 barangays in Castilla by population, placing it in the middle tier of the municipality. Residents of Barangay San Rafael accounted for approximately 3.09% of the total population of Castilla, which stood at 61,308 in the same 2024 POPCEN reference period.
Read more about Barangay San RafaelShow less
The barangay recorded 2,026 residents in the 2020 Census of Population and Housing and 1,893 residents in the 2024 POPCEN — a net change of -6.6%, consistent with a contracting settlement. Barangay San Rafael is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Castilla is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay San Rafael, including public health, sanitation, peace and order, and civil registration. Within the wider province of Sorsogon, which contains 541 barangays across its component cities and municipalities, Barangay San Rafael ranks 140th by 2024 POPCEN population. Sorsogon is classified as a 2nd 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 Castilla 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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Population history of Barangay San Rafael from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
1,695
—
—
2020 CPH
2,026
+331
+19.5%
2024 POPCEN
1,893
-133
-6.6%
2015–2020: +19.5% total (+3.63%/yr).2020–2024: -6.6% total (-1.68%/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 Castilla
13thof 34
Among the upper half of Castilla by population.
Share of Castilla
3.1%
of the municipality's total 61,308 residents.
Rank in Sorsogon
140thof 541
Province-wide percentile: 74.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Castilla (municipality) class
3rd
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 Rafael in Castilla 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.
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Frequently Asked Questions about Barangay San Rafael
Where is Barangay San Rafael located?▾
Barangay San Rafael is a barangay in the municipality of Castilla, Sorsogon, Bicol Region, Philippines.
What is the address of the Barangay San Rafael hall?▾
Barangay San Rafael is located in Castilla, Sorsogon, Bicol Region, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay San Rafael?▾
The Punong Barangay of Barangay San Rafael is Jose Bitancur Bio III (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay San Rafael?▾
You can contact Barangay San Rafael via phone at 09989883767.
What municipality is Barangay San Rafael part of?▾
Barangay San Rafael is one of 34 barangays in the municipality of Castilla, Sorsogon, Philippines.
Is Barangay San Rafael urban or rural?▾
Barangay San Rafael 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 Castilla?▾
Castilla is classified as a 3rd 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 Rafael.
Has the population of Barangay San Rafael been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Rafael went from 2,026 residents to 1,893 — a change of -6.6% over the intercensal period. The barangay is shrinking significantly based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay San Rafael in?▾
Barangay San Rafael is part of the Bicol Region administrative region of the Philippines. Within Bicol Region, the barangay falls under the province of Sorsogon, and is one of 34 barangays administered by Castilla.
How many barangays are in Castilla?▾
Castilla has 34 barangays, including Barangay San Rafael. You can browse the full list on our Castilla page.
How many residents does Barangay San Rafael have?▾
Barangay San Rafael had a population of 1,893 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay San Rafael?▾
The primary PHLPost ZIP code for Castilla is 4713. 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 Rafael, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay San Rafael was last updated on 2026-05-24. 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 Rafael
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-24.
