Located in Santo Tomas, Isabela, Barangay Ammugauan is one of 27 barangays in the municipality of Santo Tomas. It had a population of 861 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 Santo Tomas. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Oliver Laggui Soriano(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Ammugauan · Data updated 2026-06-15
Historical Population
Philippine Statistics Authority
+50.8% since 2015
Population history of Barangay Ammugauan from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
571
—
—
2020 CPH
839
+268
+46.9%
2024 POPCEN
861
+22
+2.6%
2015–2020: +46.9% total (+8.00%/yr).2020–2024: +2.6% total (+0.65%/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 Santo Tomas
12thof 27
Among the upper half of Santo Tomas by population.
Share of Santo Tomas
3.3%
of the municipality's total 25,997 residents.
Rank in Isabela
746thof 1,055
Province-wide percentile: 29.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
3rd
BLGF upper-middle fiscal capacity tier.
Santo Tomas (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.
About Barangay Ammugauan
Barangay Ammugauan forms part of Santo Tomas, a municipality in Isabela, and is classified as a small barangay.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Ammugauan had a population of 861. This made it the 12th largest of 27 barangays in Santo Tomas by population, placing it in the middle tier of the municipality. Residents of Barangay Ammugauan accounted for approximately 3.31% of the total population of Santo Tomas, which stood at 25,997 in the same 2024 POPCEN reference period.
Read more about Barangay AmmugauanShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay Ammugauan moved from 839 residents to 861, an intercensal change of +2.6%. The trajectory indicates a growing community. Barangay Ammugauan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Santo Tomas is a municipality of 27 barangays, of which Barangay Ammugauan is one. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Ammugauan ranks 746th 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 Santo Tomas 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 Ammugauan in Santo Tomas 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 Ammugauan
Where is Barangay Ammugauan located?▾
Barangay Ammugauan is a barangay in the municipality of Santo Tomas, Isabela, Cagayan Valley, Philippines.
What is the address of the Barangay Ammugauan hall?▾
Barangay Ammugauan is located in Santo Tomas, Isabela, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Ammugauan?▾
The Punong Barangay (barangay captain) of Barangay Ammugauan is Oliver Laggui Soriano (2023 - 2026 term).
How can I contact Barangay Ammugauan?▾
You can contact Barangay Ammugauan via phone at 09128524236.
What municipality is Barangay Ammugauan part of?▾
Barangay Ammugauan is one of 27 barangays in the municipality of Santo Tomas, Isabela, Philippines.
Is Barangay Ammugauan urban or rural?▾
Barangay Ammugauan 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 Santo Tomas?▾
Santo Tomas 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 Ammugauan.
Has the population of Barangay Ammugauan been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Ammugauan went from 839 residents to 861 — a change of +2.6% 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 Ammugauan in?▾
Barangay Ammugauan 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 27 barangays administered by Santo Tomas.
How many barangays are in Santo Tomas?▾
Santo Tomas has 27 barangays, including Barangay Ammugauan. You can browse the full list on our Santo Tomas page.
How many residents does Barangay Ammugauan have?▾
Barangay Ammugauan had a population of 861 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Ammugauan?▾
The primary PHLPost ZIP code for Santo Tomas is 3327. 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 Ammugauan, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Ammugauan was last updated on 2026-06-15. 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 Ammugauan
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-06-15.
