Barangay Biaknabato is a barangay in La Castellana, Negros Occidental, under the jurisdiction of the municipality of La Castellana. It had a population of 4,497 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 La Castellana. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Joselito Radoc Martiñez JR(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Biaknabato · Data updated 2026-05-25
About Barangay Biaknabato
Barangay Biaknabato is a mid-sized barangay in the municipality of La Castellana, located in the province of Negros Occidental, in the Negros Island Region region of the Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Biaknabato had a population of 4,497. This made it the 7th largest of 13 barangays in La Castellana by population, placing it in the middle tier of the municipality. Residents of Barangay Biaknabato accounted for approximately 5.45% of the total population of La Castellana, which stood at 82,500 in the same 2024 POPCEN reference period.
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Between the 2020 Census of Population and Housing and the 2024 POPCEN, the population of Barangay Biaknabato changed from 4,113 to 4,497, a shift of +9.3% over the four-year period. This places the barangay among those with growing populations in La Castellana. Barangay Biaknabato is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
La Castellana is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay Biaknabato, including public health, sanitation, peace and order, and civil registration. Within the wider province of Negros Occidental, which contains 662 barangays across its component cities and municipalities, Barangay Biaknabato ranks 246th by 2024 POPCEN population. Negros Occidental is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Barangay Biaknabato 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 La Castellana 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 Biaknabato from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
3,342
—
—
2020 CPH
4,113
+771
+23.1%
2024 POPCEN
4,497
+384
+9.3%
2015–2020: +23.1% total (+4.24%/yr).2020–2024: +9.3% total (+2.26%/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 La Castellana
7thof 13
Among the upper half of La Castellana by population.
Share of La Castellana
5.5%
of the municipality's total 82,500 residents.
Rank in Negros Occidental
246thof 662
Province-wide percentile: 63.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
La Castellana (municipality) class
1st
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 Biaknabato in La Castellana 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 Biaknabato
Where is Barangay Biaknabato located?▾
Barangay Biaknabato is a barangay in the municipality of La Castellana, Negros Occidental, Negros Island Region, Philippines.
What is the address of the Barangay Biaknabato hall?▾
Barangay Biaknabato is located in La Castellana, Negros Occidental, Negros Island Region, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Biaknabato?▾
The Punong Barangay of Barangay Biaknabato is Joselito Radoc Martiñez JR (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Biaknabato?▾
Verified contact information for Barangay Biaknabato is being collected. You can reach the local barangay hall in person or check the official La Castellana LGU website. Submit verified information using the form on this page.
What municipality is Barangay Biaknabato part of?▾
Barangay Biaknabato is one of 13 barangays in the municipality of La Castellana, Negros Occidental, Philippines.
Is Barangay Biaknabato urban or rural?▾
Barangay Biaknabato 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 La Castellana?▾
La Castellana is classified as a 1st 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 Biaknabato.
Has the population of Barangay Biaknabato been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Biaknabato went from 4,113 residents to 4,497 — a change of +9.3% 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 Biaknabato in?▾
Barangay Biaknabato is part of the Negros Island Region administrative region of the Philippines. Within Negros Island Region, the barangay falls under the province of Negros Occidental, and is one of 13 barangays administered by La Castellana.
How many barangays are in La Castellana?▾
La Castellana has 13 barangays, including Barangay Biaknabato. You can browse the full list on our La Castellana page.
How many residents does Barangay Biaknabato have?▾
Barangay Biaknabato had a population of 4,497 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Biaknabato?▾
The primary PHLPost ZIP code for La Castellana is 6131. 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 Biaknabato, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Biaknabato 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 Biaknabato
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.
