Located in San Agustin, Isabela, Barangay Quimalabasa Sur is one of 23 barangays in the municipality of San Agustin. It had a population of 403 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 San Agustin. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Villamor Julian Galam JR(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Quimalabasa Sur · Data updated 2026-06-30
Historical Population
Philippine Statistics Authority
-20.8% since 2015
Population history of Barangay Quimalabasa Sur from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
509
—
—
2020 CPH
392
-117
-23.0%
2024 POPCEN
403
+11
+2.8%
2015–2020: -23.0% total (-5.09%/yr).2020–2024: +2.8% total (+0.69%/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 Agustin
22ndof 23
Among the smaller barangays of San Agustin by population.
Share of San Agustin
1.8%
of the municipality's total 22,228 residents.
Rank in Isabela
997thof 1,055
Province-wide percentile: 6.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
2nd
BLGF high fiscal capacity tier.
San Agustin (municipality) class
3rd
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.
About Barangay Quimalabasa Sur
Situated in San Agustin, Isabela, Barangay Quimalabasa Sur is one of 23 barangays that make up the municipality within Cagayan Valley.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Quimalabasa Sur had a population of 403. This made it the 22nd largest of 23 barangays in San Agustin by population, placing it among the smaller barangays of the municipality. Residents of Barangay Quimalabasa Sur accounted for approximately 1.81% of the total population of San Agustin, which stood at 22,228 in the same 2024 POPCEN reference period.
Read more about Barangay Quimalabasa SurShow less
The barangay recorded 392 residents in the 2020 Census of Population and Housing and 403 residents in the 2024 POPCEN — a net change of +2.8%, consistent with a growing settlement. Barangay Quimalabasa Sur is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
San Agustin is a municipality of 23 barangays, of which Barangay Quimalabasa Sur is one. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Quimalabasa Sur ranks 997th 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.
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 Agustin 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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These services are available at every barangay hall in the Philippines under Republic Act 7160 (Local Government Code). Visit Barangay Quimalabasa Sur in San Agustin 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.
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Frequently Asked Questions about Barangay Quimalabasa Sur
Where is Barangay Quimalabasa Sur located?▾
Barangay Quimalabasa Sur is a barangay in the municipality of San Agustin, Isabela, Cagayan Valley, Philippines.
What is the address of the Barangay Quimalabasa Sur hall?▾
Barangay Quimalabasa Sur is located in San Agustin, Isabela, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Quimalabasa Sur?▾
The Punong Barangay (barangay captain) of Barangay Quimalabasa Sur is Villamor Julian Galam JR (2023 - 2026 term).
How can I contact Barangay Quimalabasa Sur?▾
You can contact Barangay Quimalabasa Sur via phone at 09308700836.
What municipality is Barangay Quimalabasa Sur part of?▾
Barangay Quimalabasa Sur is one of 23 barangays in the municipality of San Agustin, Isabela, Philippines.
Is Barangay Quimalabasa Sur urban or rural?▾
Barangay Quimalabasa Sur 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 Agustin?▾
San Agustin is classified as a 3rd 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 Quimalabasa Sur.
Has the population of Barangay Quimalabasa Sur been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Quimalabasa Sur went from 392 residents to 403 — a change of +2.8% 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 Quimalabasa Sur in?▾
Barangay Quimalabasa Sur 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 23 barangays administered by San Agustin.
How many barangays are in San Agustin?▾
San Agustin has 23 barangays, including Barangay Quimalabasa Sur. You can browse the full list on our San Agustin page.
How many residents does Barangay Quimalabasa Sur have?▾
Barangay Quimalabasa Sur had a population of 403 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Quimalabasa Sur?▾
The primary PHLPost ZIP code for San Agustin is 3314. 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 Quimalabasa Sur, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Quimalabasa Sur was last updated on 2026-06-30. 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 Quimalabasa Sur
Information on Barangay Quimalabasa Sur, San Agustin 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 2026-06-30.
