Situated in the City of Santiago, Isabela, Barangay Sinili is one of the administrative divisions of Cagayan Valley. It had a population of 1,696 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 City of Santiago. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Marcelo Valdez Pablo(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Sinili · Data updated 2026-05-25
About Barangay Sinili
Classified as a small barangay, Barangay Sinili is one of the administrative divisions of City of Santiago in Isabela, Cagayan Valley, Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Sinili had a population of 1,696. This made it the 28th largest of 37 barangays in City of Santiago by population, placing it among the smaller barangays of the city. Residents of Barangay Sinili accounted for approximately 1.13% of the total population of City of Santiago, which stood at 150,313 in the same 2024 POPCEN reference period.
Read more about Barangay SiniliShow less
The barangay recorded 1,474 residents in the 2020 Census of Population and Housing and 1,696 residents in the 2024 POPCEN — a net change of +15.1%, consistent with a growing settlement. Barangay Sinili is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
City of Santiago is a city comprising 37 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinili, 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 Sinili ranks 373rd 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 Sinili 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 City of Santiago 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.
An AI-powered Civil Service Exam reviewer for Filipino candidates. Practice questions across all CSE topics, a full 170-item mock exam (professional + subprofessional), an AI Tutor that explains concepts step by step in English or Filipino, plus a Document Analyzer for your study notes and 65 Smart Flashcards.
Population history of Barangay Sinili from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
1,469
—
—
2020 CPH
1,474
+5
+0.3%
2024 POPCEN
1,696
+222
+15.1%
2015–2020: +0.3% total (+0.07%/yr).2020–2024: +15.1% total (+3.57%/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 City of Santiago
28thof 37
Among the lower half of City of Santiago by population.
Share of City of Santiago
1.1%
of the city's total 150,313 residents.
Rank in Isabela
373rdof 1,055
Province-wide percentile: 65.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
City of Santiago (city) class
1st
Parent city 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 Sinili in City of Santiago 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 Sinili
Where is Barangay Sinili located?▾
Barangay Sinili is a barangay in the City of Santiago, Isabela, Cagayan Valley, Philippines.
What is the address of the Barangay Sinili hall?▾
Barangay Sinili is located in City of Santiago, Isabela, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Sinili?▾
The Punong Barangay of Barangay Sinili is Marcelo Valdez Pablo (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Sinili?▾
You can contact Barangay Sinili via phone at 0783240623.
What city is Barangay Sinili part of?▾
Barangay Sinili is one of 37 barangays in the City of Santiago, Isabela, Philippines.
Is Barangay Sinili urban or rural?▾
Barangay Sinili 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 City of Santiago?▾
City of Santiago is classified as a 1st by the Bureau of Local Government Finance. This classification is based on the city'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 Sinili.
Has the population of Barangay Sinili been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Sinili went from 1,474 residents to 1,696 — a change of +15.1% 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 Sinili in?▾
Barangay Sinili 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 37 barangays administered by City of Santiago.
How many barangays are in City of Santiago?▾
City of Santiago has 37 barangays, including Barangay Sinili. You can browse the full list on our City of Santiago page.
How many residents does Barangay Sinili have?▾
Barangay Sinili had a population of 1,696 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Sinili?▾
The primary PHLPost ZIP code for City of Santiago is 3311. 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 Sinili, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Sinili was last updated on 2026-05-25. 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 2026-05-25.
