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Primary PHLPost ZIP for San Guillermo. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Frelando Daliego Mateo(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Estrella · Data updated 2026-05-24
About Barangay Estrella
Classified as a very small barangay, Barangay Estrella is one of the administrative divisions of San Guillermo in Isabela, Cagayan Valley, Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Estrella had a population of 480. This made it the 18th largest of 26 barangays in San Guillermo by population, placing it in the middle tier of the municipality. Residents of Barangay Estrella accounted for approximately 2.28% of the total population of San Guillermo, which stood at 21,043 in the same 2024 POPCEN reference period.
Read more about Barangay EstrellaShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay Estrella moved from 479 residents to 480, an intercensal change of +0.2%. The trajectory indicates a slowly expanding community. Barangay Estrella is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
San Guillermo is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Estrella, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Estrella ranks 963rd by 2024 POPCEN population. Isabela is classified as a 1st 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 San Guillermo 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 Estrella from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
456
—
—
2020 CPH
479
+23
+5.0%
2024 POPCEN
480
+1
+0.2%
2015–2020: +5.0% total (+0.99%/yr).2020–2024: +0.2% total (+0.05%/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 San Guillermo
18thof 26
Among the lower half of San Guillermo by population.
Share of San Guillermo
2.3%
of the municipality's total 21,043 residents.
Rank in Isabela
963rdof 1,055
Province-wide percentile: 9.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
2nd
BLGF high fiscal capacity tier.
San Guillermo (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 Estrella in San Guillermo 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.
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Frequently Asked Questions about Barangay Estrella
Where is Barangay Estrella located?▾
Barangay Estrella is a barangay in the municipality of San Guillermo, Isabela, Cagayan Valley, Philippines.
What is the address of the Barangay Estrella hall?▾
Barangay Estrella is located in San Guillermo, Isabela, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Estrella?▾
The Punong Barangay of Barangay Estrella is Frelando Daliego Mateo (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Estrella?▾
Verified contact information for Barangay Estrella is being collected. You can reach the local barangay hall in person or check the official San Guillermo LGU website. Submit verified information using the form on this page.
What municipality is Barangay Estrella part of?▾
Barangay Estrella is one of 26 barangays in the municipality of San Guillermo, Isabela, Philippines.
Is Barangay Estrella urban or rural?▾
Barangay Estrella 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 San Guillermo?▾
San Guillermo 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 Estrella.
Has the population of Barangay Estrella been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Estrella went from 479 residents to 480 — a change of +0.2% over the intercensal period. The barangay is broadly stable based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Estrella in?▾
Barangay Estrella is part of the Cagayan Valley administrative region of the Philippines. Within Cagayan Valley, the barangay falls under the province of Isabela, and is one of 26 barangays administered by San Guillermo.
How many barangays are in San Guillermo?▾
San Guillermo has 26 barangays, including Barangay Estrella. You can browse the full list on our San Guillermo page.
How many residents does Barangay Estrella have?▾
Barangay Estrella had a population of 480 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Estrella?▾
The primary PHLPost ZIP code for San Guillermo is 3308. 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 Estrella, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Estrella 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.
