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Primary PHLPost ZIP for Casiguran. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Blas Hasal Espaldon(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Mabini · Data updated 2026-05-24
About Barangay Mabini
Barangay Mabini is a small barangay in the municipality of Casiguran, located in the province of Sorsogon, in the Bicol Region region of the Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Mabini had a population of 553. This made it the 25th largest of 25 barangays in Casiguran by population, placing it among the smaller barangays of the municipality. Residents of Barangay Mabini accounted for approximately 1.52% of the total population of Casiguran, which stood at 36,464 in the same 2024 POPCEN reference period.
Read more about Barangay MabiniShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay Mabini moved from 483 residents to 553, an intercensal change of +14.5%. The trajectory indicates a growing community. Barangay Mabini is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Casiguran is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Mabini, 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 Mabini ranks 472nd 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.
Barangay Mabini 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.
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 Casiguran 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 Mabini from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
448
—
—
2020 CPH
483
+35
+7.8%
2024 POPCEN
553
+70
+14.5%
2015–2020: +7.8% total (+1.52%/yr).2020–2024: +14.5% total (+3.44%/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 Casiguran
25thof 25
Among the smaller barangays of Casiguran by population.
Share of Casiguran
1.5%
of the municipality's total 36,464 residents.
Rank in Sorsogon
472ndof 541
Province-wide percentile: 13.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
3rd
BLGF upper-middle fiscal capacity tier.
Casiguran (municipality) class
4th
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 Mabini in Casiguran 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 Mabini
Where is Barangay Mabini located?▾
Barangay Mabini is a barangay in the municipality of Casiguran, Sorsogon, Bicol Region, Philippines.
What is the address of the Barangay Mabini hall?▾
Barangay Mabini is located in Casiguran, Sorsogon, Bicol Region, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Mabini?▾
The Punong Barangay of Barangay Mabini is Blas Hasal Espaldon (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Mabini?▾
You can contact Barangay Mabini via phone at 09175212596.
What municipality is Barangay Mabini part of?▾
Barangay Mabini is one of 25 barangays in the municipality of Casiguran, Sorsogon, Philippines.
Is Barangay Mabini urban or rural?▾
Barangay Mabini 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 Casiguran?▾
Casiguran is classified as a 4th 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 Mabini.
Has the population of Barangay Mabini been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Mabini went from 483 residents to 553 — a change of +14.5% over the intercensal period. The barangay is growing significantly based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Mabini in?▾
Barangay Mabini 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 25 barangays administered by Casiguran.
How many barangays are in Casiguran?▾
Casiguran has 25 barangays, including Barangay Mabini. You can browse the full list on our Casiguran page.
How many residents does Barangay Mabini have?▾
Barangay Mabini had a population of 553 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Mabini?▾
The primary PHLPost ZIP code for Casiguran is 4702. 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 Mabini, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Mabini 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.
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.
