Situated in the municipality of San Mateo, Isabela, Barangay I (Pob.) is one of the administrative divisions of Cagayan Valley. It had a population of 1,910 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 Mateo. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Norlando Tabuac Tungpalan(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay I (Pob.) · Data updated 2026-05-24
About Barangay I (Pob.)
Situated in San Mateo, Isabela, Barangay I (Pob.) is one of 33 barangays that make up the municipality within Cagayan Valley.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay I (Pob.) had a population of 1,910. This made it the 16th largest of 33 barangays in San Mateo by population, placing it in the middle tier of the municipality. Residents of Barangay I (Pob.) accounted for approximately 2.83% of the total population of San Mateo, which stood at 67,433 in the same 2024 POPCEN reference period.
Read more about Barangay I (Pob.)Show less
Between the 2020 Census of Population and Housing and the 2024 POPCEN, the population of Barangay I (Pob.) changed from 1,875 to 1,910, a shift of +1.9% over the four-year period. This places the barangay among those with slowly expanding populations in San Mateo. Barangay I (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.
San Mateo is a municipality comprising 33 barangays, and serves as the governing unit directly responsible for local services in Barangay I (Pob.), 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 I (Pob.) ranks 302nd 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.
Like every Philippine barangay, Barangay I (Pob.) is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms 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 San Mateo 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 I (Pob.) from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
1,851
—
—
2020 CPH
1,875
+24
+1.3%
2024 POPCEN
1,910
+35
+1.9%
2015–2020: +1.3% total (+0.26%/yr).2020–2024: +1.9% total (+0.46%/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 Mateo
16thof 33
Among the upper half of San Mateo by population.
Share of San Mateo
2.8%
of the municipality's total 67,433 residents.
Rank in Isabela
302ndof 1,055
Province-wide percentile: 71.
PSA Classification
Urban
Higher density, predominantly built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
San Mateo (municipality) class
1st
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 I (Pob.) in San Mateo 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.
Notice a hotline change? Report it so we can update this page.
Frequently Asked Questions about Barangay I (Pob.)
Where is Barangay I (Pob.) located?▾
Barangay I (Pob.) is a barangay in the municipality of San Mateo, Isabela, Cagayan Valley, Philippines.
What is the address of the Barangay I (Pob.) hall?▾
Barangay I (Pob.) is located in San Mateo, Isabela, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay I (Pob.)?▾
The Punong Barangay of Barangay I (Pob.) is Norlando Tabuac Tungpalan (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay I (Pob.)?▾
You can contact Barangay I (Pob.) via phone at 09351787498.
What municipality is Barangay I (Pob.) part of?▾
Barangay I (Pob.) is one of 33 barangays in the municipality of San Mateo, Isabela, Philippines.
Is Barangay I (Pob.) urban or rural?▾
Barangay I (Pob.) is officially classified as urban by the Philippine Statistics Authority. Urban classification reflects higher population density and a more built-up character — typically more permanent housing, paved roads, and proximity to commercial activity than rural barangays in the same municipality.
What is the income classification of San Mateo?▾
San Mateo is classified as a 1st 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 I (Pob.).
Has the population of Barangay I (Pob.) been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay I (Pob.) went from 1,875 residents to 1,910 — a change of +1.9% 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 I (Pob.) in?▾
Barangay I (Pob.) 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 33 barangays administered by San Mateo.
How many barangays are in San Mateo?▾
San Mateo has 33 barangays, including Barangay I (Pob.). You can browse the full list on our San Mateo page.
How many residents does Barangay I (Pob.) have?▾
Barangay I (Pob.) had a population of 1,910 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay I (Pob.)?▾
The primary PHLPost ZIP code for San Mateo is 3318. 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 I (Pob.), confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay I (Pob.) 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.
