Barangay San Antonio forms part of the municipality of Sergio osmeña Sr. in Zamboanga Del Norte, Philippines. It had a population of 522 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.
Situated in Sergio osmeña Sr., Zamboanga Del Norte, Barangay San Antonio is one of 39 barangays that make up the municipality within Zamboanga Peninsula.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Antonio had a population of 522. This made it the 25th largest of 39 barangays in Sergio osmeña Sr. by population, placing it in the middle tier of the municipality. Residents of Barangay San Antonio accounted for approximately 1.67% of the total population of Sergio osmeña Sr., which stood at 31,187 in the same 2024 POPCEN reference period.
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Comparing the 2020 CPH against the 2024 POPCEN, Barangay San Antonio moved from 606 residents to 522, an intercensal change of -13.9%. The trajectory indicates a contracting community. Barangay San Antonio is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Sergio osmeña Sr. is a municipality comprising 39 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Del Norte, which contains 691 barangays across its component cities and municipalities, Barangay San Antonio ranks 624th by 2024 POPCEN population. Zamboanga Del Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Barangay San Antonio 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 Sergio osmeña Sr. 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 San Antonio from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
606
—
—
2020 CPH
606
0
0.0%
2024 POPCEN
522
-84
-13.9%
2015–2020: 0.0% total (0.00%/yr).2020–2024: -13.9% total (-3.66%/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 Sergio osmeña Sr.
25thof 39
Among the lower half of Sergio osmeña Sr. by population.
Share of Sergio osmeña Sr.
1.7%
of the municipality's total 31,187 residents.
Rank in Zamboanga Del Norte
624thof 691
Province-wide percentile: 10.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Sergio osmeña Sr. (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 San Antonio in Sergio osmeña Sr. 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 San Antonio
Where is Barangay San Antonio located?▾
Barangay San Antonio is a barangay in the municipality of Sergio osmeña Sr., Zamboanga Del Norte, Zamboanga Peninsula, Philippines.
What is the address of the Barangay San Antonio hall?▾
Barangay San Antonio is located in Sergio osmeña Sr., Zamboanga Del Norte, Zamboanga Peninsula, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay San Antonio?▾
The Punong Barangay of Barangay San Antonio is Aquilino Malagum Pabuaya JR (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay San Antonio?▾
Verified contact information for Barangay San Antonio is being collected. You can reach the local barangay hall in person or check the official Sergio osmeña Sr. LGU website. Submit verified information using the form on this page.
What municipality is Barangay San Antonio part of?▾
Barangay San Antonio is one of 39 barangays in the municipality of Sergio osmeña Sr., Zamboanga Del Norte, Philippines.
Is Barangay San Antonio urban or rural?▾
Barangay San Antonio 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 Sergio osmeña Sr.?▾
Sergio osmeña Sr. 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 San Antonio.
Has the population of Barangay San Antonio been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Antonio went from 606 residents to 522 — a change of -13.9% over the intercensal period. The barangay is shrinking significantly based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay San Antonio in?▾
Barangay San Antonio is part of the Zamboanga Peninsula administrative region of the Philippines. Within Zamboanga Peninsula, the barangay falls under the province of Zamboanga Del Norte, and is one of 39 barangays administered by Sergio osmeña Sr..
How many barangays are in Sergio osmeña Sr.?▾
Sergio osmeña Sr. has 39 barangays, including Barangay San Antonio. You can browse the full list on our Sergio osmeña Sr. page.
How many residents does Barangay San Antonio have?▾
Barangay San Antonio had a population of 522 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
When was this page last updated?▾
The information on this page for Barangay San Antonio was last updated on 2026-05-30. 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 San Antonio
Information on Barangay San Antonio, Sergio osmeña Sr. 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 2026-05-30.
