Barangay Alfonso is a local government unit in Gregorio Del Pilar, Ilocos Sur, in the Ilocos Region region of the Philippines. It had a population of 976 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 Gregorio Del Pilar. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Armando Biteng Borromeo(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Alfonso · Data updated 2026-05-25
About Barangay Alfonso
Barangay Alfonso forms part of Gregorio Del Pilar, a municipality in Ilocos Sur, and is classified as a small barangay.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Alfonso had a population of 976. This made it the 1st largest of 7 barangays in Gregorio Del Pilar by population, placing it among the most populous barangays of the municipality. Residents of Barangay Alfonso accounted for approximately 22.26% of the total population of Gregorio Del Pilar, which stood at 4,385 in the same 2024 POPCEN reference period.
Read more about Barangay AlfonsoShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay Alfonso moved from 997 residents to 976, an intercensal change of -2.1%. The trajectory indicates a contracting community. Barangay Alfonso is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Gregorio Del Pilar is a municipality comprising 7 barangays, and serves as the governing unit directly responsible for local services in Barangay Alfonso, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Alfonso ranks 273rd by 2024 POPCEN population. Ilocos Sur 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 Gregorio Del Pilar 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 Alfonso from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
958
—
—
2020 CPH
997
+39
+4.1%
2024 POPCEN
976
-21
-2.1%
2015–2020: +4.1% total (+0.80%/yr).2020–2024: -2.1% total (-0.53%/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 Gregorio Del Pilar
1stof 7
Among the top 10% of Gregorio Del Pilar by population.
Share of Gregorio Del Pilar
22.3%
of the municipality's total 4,385 residents.
Rank in Ilocos Sur
273rdof 768
Province-wide percentile: 65.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Gregorio Del Pilar (municipality) class
5th
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 Alfonso in Gregorio Del Pilar 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 Alfonso
Where is Barangay Alfonso located?▾
Barangay Alfonso is a barangay in the municipality of Gregorio Del Pilar, Ilocos Sur, Ilocos Region, Philippines.
What is the address of the Barangay Alfonso hall?▾
Barangay Alfonso is located in Gregorio Del Pilar, Ilocos Sur, Ilocos Region, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Alfonso?▾
The Punong Barangay of Barangay Alfonso is Armando Biteng Borromeo (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Alfonso?▾
Verified contact information for Barangay Alfonso is being collected. You can reach the local barangay hall in person or check the official Gregorio Del Pilar LGU website. Submit verified information using the form on this page.
What municipality is Barangay Alfonso part of?▾
Barangay Alfonso is one of 7 barangays in the municipality of Gregorio Del Pilar, Ilocos Sur, Philippines.
Is Barangay Alfonso urban or rural?▾
Barangay Alfonso 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 Gregorio Del Pilar?▾
Gregorio Del Pilar is classified as a 5th 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 Alfonso.
Has the population of Barangay Alfonso been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Alfonso went from 997 residents to 976 — a change of -2.1% over the intercensal period. The barangay is slowly contracting based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Alfonso in?▾
Barangay Alfonso is part of the Ilocos Region administrative region of the Philippines. Within Ilocos Region, the barangay falls under the province of Ilocos Sur, and is one of 7 barangays administered by Gregorio Del Pilar.
How many barangays are in Gregorio Del Pilar?▾
Gregorio Del Pilar has 7 barangays, including Barangay Alfonso. You can browse the full list on our Gregorio Del Pilar page.
How many residents does Barangay Alfonso have?▾
Barangay Alfonso had a population of 976 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Alfonso?▾
The primary PHLPost ZIP code for Gregorio Del Pilar is 2720. 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 Alfonso, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Alfonso 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.
Information on Barangay Alfonso, Gregorio Del Pilar is compiled from the following authoritative sources. Each citation links to the primary publisher.
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.
