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Primary PHLPost ZIP for Tumauini. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
David Lucas Gannaban(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Sisim Alto · Data updated 2026-06-29
Historical Population
Philippine Statistics Authority
+54.4% since 2015
Population history of Barangay Sisim Alto from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
1,070
—
—
2020 CPH
1,233
+163
+15.2%
2024 POPCEN
1,652
+419
+34.0%
2015–2020: +15.2% total (+2.88%/yr).2020–2024: +34.0% total (+7.59%/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 Tumauini
22ndof 46
Among the upper half of Tumauini by population.
Share of Tumauini
2.1%
of the municipality's total 77,153 residents.
Rank in Isabela
384thof 1,055
Province-wide percentile: 64.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Tumauini (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.
About Barangay Sisim Alto
Barangay Sisim Alto is a small barangay in the municipality of Tumauini, located in the province of Isabela, in the Cagayan Valley region of the Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Sisim Alto had a population of 1,652. This made it the 22nd largest of 46 barangays in Tumauini by population, placing it in the middle tier of the municipality. Residents of Barangay Sisim Alto accounted for approximately 2.14% of the total population of Tumauini, which stood at 77,153 in the same 2024 POPCEN reference period.
Read more about Barangay Sisim AltoShow less
The barangay recorded 1,233 residents in the 2020 Census of Population and Housing and 1,652 residents in the 2024 POPCEN — a net change of +34.0%, consistent with a growing settlement. Barangay Sisim Alto is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Tumauini is a municipality of 46 barangays, of which Barangay Sisim Alto is one. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Sisim Alto ranks 384th 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 Tumauini 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 Sisim Alto in Tumauini 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 Sisim Alto
Where is Barangay Sisim Alto located?▾
Barangay Sisim Alto is a barangay in the municipality of Tumauini, Isabela, Cagayan Valley, Philippines.
What is the address of the Barangay Sisim Alto hall?▾
Barangay Sisim Alto is located in Tumauini, Isabela, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Sisim Alto?▾
The Punong Barangay (barangay captain) of Barangay Sisim Alto is David Lucas Gannaban (2023 - 2026 term).
How can I contact Barangay Sisim Alto?▾
You can contact Barangay Sisim Alto via phone at 09457202611.
What municipality is Barangay Sisim Alto part of?▾
Barangay Sisim Alto is one of 46 barangays in the municipality of Tumauini, Isabela, Philippines.
Is Barangay Sisim Alto urban or rural?▾
Barangay Sisim Alto 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 Tumauini?▾
Tumauini 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 Sisim Alto.
Has the population of Barangay Sisim Alto been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Sisim Alto went from 1,233 residents to 1,652 — a change of +34.0% over the intercensal period. The barangay is growing significantly based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Sisim Alto in?▾
Barangay Sisim Alto 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 46 barangays administered by Tumauini.
How many barangays are in Tumauini?▾
Tumauini has 46 barangays, including Barangay Sisim Alto. You can browse the full list on our Tumauini page.
How many residents does Barangay Sisim Alto have?▾
Barangay Sisim Alto had a population of 1,652 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Sisim Alto?▾
The primary PHLPost ZIP code for Tumauini is 3325. 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 Sisim Alto, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Sisim Alto was last updated on 2026-06-29. 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 Sisim Alto
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-06-29.
