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 Lian. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Leodegario Magana Alicaya(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay San Diego · Data updated 2026-05-30
About Barangay San Diego
Barangay San Diego is a mid-sized barangay in the municipality of Lian, located in the province of Batangas, in the CALABARZON region of the Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Diego had a population of 4,735. This made it the 4th largest of 19 barangays in Lian by population, placing it in the upper half of the municipality. Residents of Barangay San Diego accounted for approximately 8.34% of the total population of Lian, which stood at 56,788 in the same 2024 POPCEN reference period.
Read more about Barangay San DiegoShow less
Comparing the 2020 CPH against the 2024 POPCEN, Barangay San Diego moved from 5,181 residents to 4,735, an intercensal change of -8.6%. The trajectory indicates a contracting community. Barangay San Diego is officially classified as urban, reflecting the density and built-up character of the area.
Lian is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay San Diego, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay San Diego ranks 145th by 2024 POPCEN population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Barangay San Diego 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 Lian 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 San Diego from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
4,483
—
—
2020 CPH
5,181
+698
+15.6%
2024 POPCEN
4,735
-446
-8.6%
2015–2020: +15.6% total (+2.94%/yr).2020–2024: -8.6% total (-2.23%/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 Lian
4thof 19
Among the top quartile of Lian by population.
Share of Lian
8.3%
of the municipality's total 56,788 residents.
Rank in Batangas
145thof 1,078
Province-wide percentile: 87.
PSA Classification
Urban
Higher density, predominantly built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Lian (municipality) class
3rd
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 San Diego in Lian 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 San Diego
Where is Barangay San Diego located?▾
Barangay San Diego is a barangay in the municipality of Lian, Batangas, CALABARZON, Philippines.
What is the address of the Barangay San Diego hall?▾
Barangay San Diego is located in Lian, Batangas, CALABARZON, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay San Diego?▾
The Punong Barangay of Barangay San Diego is Leodegario Magana Alicaya (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay San Diego?▾
You can contact Barangay San Diego via phone at 09067164938.
What municipality is Barangay San Diego part of?▾
Barangay San Diego is one of 19 barangays in the municipality of Lian, Batangas, Philippines.
Is Barangay San Diego urban or rural?▾
Barangay San Diego 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 Lian?▾
Lian is classified as a 3rd 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 San Diego.
Has the population of Barangay San Diego been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Diego went from 5,181 residents to 4,735 — a change of -8.6% 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 San Diego in?▾
Barangay San Diego is part of the CALABARZON administrative region of the Philippines. Within CALABARZON, the barangay falls under the province of Batangas, and is one of 19 barangays administered by Lian.
How many barangays are in Lian?▾
Lian has 19 barangays, including Barangay San Diego. You can browse the full list on our Lian page.
How many residents does Barangay San Diego have?▾
Barangay San Diego had a population of 4,735 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay San Diego?▾
The primary PHLPost ZIP code for Lian is 4216. 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 San Diego, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay San Diego 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 San Diego
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.
