Barangay Santiago Sur is a barangay in Caba, La Union, under the jurisdiction of the municipality of Caba. It had a population of 2,189 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 Caba. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Buenaflor Farro Castillones Jr(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Santiago Sur · Data updated 2026-05-25
About Barangay Santiago Sur
Barangay Santiago Sur forms part of Caba, a municipality in La Union, and is classified as a mid-sized barangay.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Santiago Sur had a population of 2,189. This made it the 3rd largest of 17 barangays in Caba by population, placing it in the upper half of the municipality. Residents of Barangay Santiago Sur accounted for approximately 9.34% of the total population of Caba, which stood at 23,432 in the same 2024 POPCEN reference period.
Read more about Barangay Santiago SurShow less
The barangay recorded 2,082 residents in the 2020 Census of Population and Housing and 2,189 residents in the 2024 POPCEN — a net change of +5.1%, consistent with a growing settlement. Barangay Santiago Sur is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Caba is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay Santiago Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of La Union, which contains 576 barangays across its component cities and municipalities, Barangay Santiago Sur ranks 83rd by 2024 POPCEN population. La Union is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Barangay Santiago Sur is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided 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 Caba 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 Santiago Sur from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
1,969
—
—
2020 CPH
2,082
+113
+5.7%
2024 POPCEN
2,189
+107
+5.1%
2015–2020: +5.7% total (+1.12%/yr).2020–2024: +5.1% total (+1.26%/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 Caba
3rdof 17
Among the top quartile of Caba by population.
Share of Caba
9.3%
of the municipality's total 23,432 residents.
Rank in La Union
83rdof 576
Province-wide percentile: 86.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Caba (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 Santiago Sur in Caba 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 Santiago Sur
Where is Barangay Santiago Sur located?▾
Barangay Santiago Sur is a barangay in the municipality of Caba, La Union, Ilocos Region, Philippines.
What is the address of the Barangay Santiago Sur hall?▾
Barangay Santiago Sur is located in Caba, La Union, Ilocos Region, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Santiago Sur?▾
The Punong Barangay of Barangay Santiago Sur is Buenaflor Farro Castillones Jr (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Santiago Sur?▾
You can contact Barangay Santiago Sur via phone at 09282291935.
What municipality is Barangay Santiago Sur part of?▾
Barangay Santiago Sur is one of 17 barangays in the municipality of Caba, La Union, Philippines.
Is Barangay Santiago Sur urban or rural?▾
Barangay Santiago 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 Caba?▾
Caba 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 Santiago Sur.
Has the population of Barangay Santiago Sur been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Santiago Sur went from 2,082 residents to 2,189 — a change of +5.1% 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 Santiago Sur in?▾
Barangay Santiago Sur is part of the Ilocos Region administrative region of the Philippines. Within Ilocos Region, the barangay falls under the province of La Union, and is one of 17 barangays administered by Caba.
How many barangays are in Caba?▾
Caba has 17 barangays, including Barangay Santiago Sur. You can browse the full list on our Caba page.
How many residents does Barangay Santiago Sur have?▾
Barangay Santiago Sur had a population of 2,189 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Santiago Sur?▾
The primary PHLPost ZIP code for Caba is 2502. 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 Santiago Sur, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Santiago Sur 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.
Helpful Guides for Residents of Barangay Santiago 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 2026-05-25.
