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Primary PHLPost ZIP for Camalaniugan. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Bobsoler S Frando(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Casili Sur · Data updated 2026-05-30
About Barangay Casili Sur
Situated in Camalaniugan, Cagayan, Barangay Casili Sur is one of 28 barangays that make up the municipality within Cagayan Valley.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Casili Sur had a population of 608. This made it the 19th largest of 28 barangays in Camalaniugan by population, placing it in the middle tier of the municipality. Residents of Barangay Casili Sur accounted for approximately 2.37% of the total population of Camalaniugan, which stood at 25,629 in the same 2024 POPCEN reference period.
Read more about Barangay Casili SurShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay Casili Sur moved from 649 residents to 608, an intercensal change of -6.3%. The trajectory indicates a contracting community. Barangay Casili Sur is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Camalaniugan is a municipality comprising 28 barangays, and serves as the governing unit directly responsible for local services in Barangay Casili Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay Casili Sur ranks 697th by 2024 POPCEN population. Cagayan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.
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 Camalaniugan 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 Casili Sur from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
645
—
—
2020 CPH
649
+4
+0.6%
2024 POPCEN
608
-41
-6.3%
2015–2020: +0.6% total (+0.12%/yr).2020–2024: -6.3% total (-1.62%/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 Camalaniugan
19thof 28
Among the lower half of Camalaniugan by population.
Share of Camalaniugan
2.4%
of the municipality's total 25,629 residents.
Rank in Cagayan
697thof 820
Province-wide percentile: 15.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
3rd
BLGF upper-middle fiscal capacity tier.
Camalaniugan (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.
These services are available at every barangay hall in the Philippines under Republic Act 7160 (Local Government Code). Visit Barangay Casili Sur in Camalaniugan 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 Casili Sur
Where is Barangay Casili Sur located?▾
Barangay Casili Sur is a barangay in the municipality of Camalaniugan, Cagayan, Cagayan Valley, Philippines.
What is the address of the Barangay Casili Sur hall?▾
Barangay Casili Sur is located in Camalaniugan, Cagayan, Cagayan Valley, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Casili Sur?▾
The Punong Barangay of Barangay Casili Sur is Bobsoler S Frando (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Casili Sur?▾
You can contact Barangay Casili Sur via phone at 09283826165.
What municipality is Barangay Casili Sur part of?▾
Barangay Casili Sur is one of 28 barangays in the municipality of Camalaniugan, Cagayan, Philippines.
Is Barangay Casili Sur urban or rural?▾
Barangay Casili 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 Camalaniugan?▾
Camalaniugan 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 Casili Sur.
Has the population of Barangay Casili Sur been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Casili Sur went from 649 residents to 608 — a change of -6.3% over the intercensal period. The barangay is shrinking significantly based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Casili Sur in?▾
Barangay Casili Sur is part of the Cagayan Valley administrative region of the Philippines. Within Cagayan Valley, the barangay falls under the province of Cagayan, and is one of 28 barangays administered by Camalaniugan.
How many barangays are in Camalaniugan?▾
Camalaniugan has 28 barangays, including Barangay Casili Sur. You can browse the full list on our Camalaniugan page.
How many residents does Barangay Casili Sur have?▾
Barangay Casili Sur had a population of 608 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Casili Sur?▾
The primary PHLPost ZIP code for Camalaniugan is 3510. 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 Casili Sur, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Casili Sur was last updated on 2026-05-30. 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 Casili Sur
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-30.
