Located in Casiguran, Aurora, Barangay Bianuan is one of 24 barangays in the municipality of Casiguran. It had a population of 3,866 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 Casiguran. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Next BSKE
November 2, 2026
Barangay Bianuan · Data updated 2026-05-24
About Barangay Bianuan
Classified as a mid-sized barangay, Barangay Bianuan is one of the administrative divisions of Casiguran in Aurora, Central Luzon, Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Bianuan had a population of 3,866. This made it the 1st largest of 24 barangays in Casiguran by population, placing it among the most populous barangays of the municipality. Residents of Barangay Bianuan accounted for approximately 14.40% of the total population of Casiguran, which stood at 26,855 in the same 2024 POPCEN reference period.
Read more about Barangay BianuanShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay Bianuan moved from 3,770 residents to 3,866, an intercensal change of +2.5%. The trajectory indicates a growing community. Barangay Bianuan 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 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Bianuan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Aurora, which contains 151 barangays across its component cities and municipalities, Barangay Bianuan ranks 14th by 2024 POPCEN population. Aurora is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Like every Philippine barangay, Barangay Bianuan is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms 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.
The current Sangguniang Barangay leadership for Barangay Bianuan is being verified against the DILG Barangay Officials Masterlist. Other details about this barangay — including census population, urban/rural classification, income class, and administrative hierarchy — are documented in the sections below.
The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026 under Republic Act No. 12232. Each Punong Barangay, Kagawad, and SK Chairperson serves a four-year term.
Are you a resident or official of Barangay Bianuan? Use the form below to share verified officials, the hall address, or a contact number. All submissions are reviewed by our editorial team before publication.
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Population history of Barangay Bianuan from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
3,443
—
—
2020 CPH
3,770
+327
+9.5%
2024 POPCEN
3,866
+96
+2.5%
2015–2020: +9.5% total (+1.83%/yr).2020–2024: +2.5% total (+0.63%/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
1stof 24
Among the top 10% of Casiguran by population.
Share of Casiguran
14.4%
of the municipality's total 26,855 residents.
Rank in Aurora
14thof 151
Province-wide percentile: 91.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Casiguran (municipality) class
2nd
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 Bianuan 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.
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 Bianuan
Where is Barangay Bianuan located?▾
Barangay Bianuan is a barangay in the municipality of Casiguran, Aurora, Central Luzon, Philippines.
What is the address of the Barangay Bianuan hall?▾
Barangay Bianuan is located in Casiguran, Aurora, Central Luzon, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Bianuan?▾
The current Punong Barangay information for Barangay Bianuan is being verified. The position is elected during the Barangay and SK Elections (BSKE), with the next election scheduled for Monday, November 2, 2026.
How can I contact Barangay Bianuan?▾
Verified contact information for Barangay Bianuan is being collected. You can reach the local barangay hall in person or check the official Casiguran LGU website. Submit verified information using the form on this page.
What municipality is Barangay Bianuan part of?▾
Barangay Bianuan is one of 24 barangays in the municipality of Casiguran, Aurora, Philippines.
Is Barangay Bianuan urban or rural?▾
Barangay Bianuan 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 2nd 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 Bianuan.
Has the population of Barangay Bianuan been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Bianuan went from 3,770 residents to 3,866 — a change of +2.5% over the intercensal period. The barangay is slowly growing based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Bianuan in?▾
Barangay Bianuan is part of the Central Luzon administrative region of the Philippines. Within Central Luzon, the barangay falls under the province of Aurora, and is one of 24 barangays administered by Casiguran.
How many barangays are in Casiguran?▾
Casiguran has 24 barangays, including Barangay Bianuan. You can browse the full list on our Casiguran page.
How many residents does Barangay Bianuan have?▾
Barangay Bianuan had a population of 3,866 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Bianuan?▾
The primary PHLPost ZIP code for Casiguran is 3204. 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 Bianuan, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Bianuan 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.
