Located in Alaminos, Laguna, Barangay San Ildefonso is one of 15 barangays in the municipality of Alaminos. It had a population of 3,054 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 Alaminos. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Lorenzo Baldemor Zuñiga JR(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay San Ildefonso · Data updated 2026-05-28
About Barangay San Ildefonso
Barangay San Ildefonso forms part of Alaminos, a municipality in Laguna, and is classified as a mid-sized barangay.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Ildefonso had a population of 3,054. This made it the 10th largest of 15 barangays in Alaminos by population, placing it in the middle tier of the municipality. Residents of Barangay San Ildefonso accounted for approximately 5.70% of the total population of Alaminos, which stood at 53,589 in the same 2024 POPCEN reference period.
Read more about Barangay San IldefonsoShow less
The barangay recorded 3,035 residents in the 2020 Census of Population and Housing and 3,054 residents in the 2024 POPCEN — a net change of +0.6%, consistent with a slowly expanding settlement. Barangay San Ildefonso is officially classified as urban, reflecting the density and built-up character of the area.
Alaminos is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay San Ildefonso, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay San Ildefonso ranks 281st by 2024 POPCEN population. Laguna 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 San Ildefonso 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 Alaminos 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 Ildefonso from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
2,821
—
—
2020 CPH
3,035
+214
+7.6%
2024 POPCEN
3,054
+19
+0.6%
2015–2020: +7.6% total (+1.47%/yr).2020–2024: +0.6% total (+0.16%/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 Alaminos
10thof 15
Among the lower half of Alaminos by population.
Share of Alaminos
5.7%
of the municipality's total 53,589 residents.
Rank in Laguna
281stof 681
Province-wide percentile: 59.
PSA Classification
Urban
Higher density, predominantly built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Alaminos (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 Ildefonso in Alaminos 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 San Ildefonso
Where is Barangay San Ildefonso located?▾
Barangay San Ildefonso is a barangay in the municipality of Alaminos, Laguna, CALABARZON, Philippines.
What is the address of the Barangay San Ildefonso hall?▾
Barangay San Ildefonso is located in Alaminos, Laguna, CALABARZON, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay San Ildefonso?▾
The Punong Barangay of Barangay San Ildefonso is Lorenzo Baldemor Zuñiga JR (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay San Ildefonso?▾
You can contact Barangay San Ildefonso via phone at 049 8316740.
What municipality is Barangay San Ildefonso part of?▾
Barangay San Ildefonso is one of 15 barangays in the municipality of Alaminos, Laguna, Philippines.
Is Barangay San Ildefonso urban or rural?▾
Barangay San Ildefonso 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 Alaminos?▾
Alaminos 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 Ildefonso.
Has the population of Barangay San Ildefonso been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Ildefonso went from 3,035 residents to 3,054 — a change of +0.6% over the intercensal period. The barangay is broadly stable based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay San Ildefonso in?▾
Barangay San Ildefonso is part of the CALABARZON administrative region of the Philippines. Within CALABARZON, the barangay falls under the province of Laguna, and is one of 15 barangays administered by Alaminos.
How many barangays are in Alaminos?▾
Alaminos has 15 barangays, including Barangay San Ildefonso. You can browse the full list on our Alaminos page.
How many residents does Barangay San Ildefonso have?▾
Barangay San Ildefonso had a population of 3,054 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay San Ildefonso?▾
The primary PHLPost ZIP code for Alaminos is 4001. 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 Ildefonso, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay San Ildefonso was last updated on 2026-05-28. 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 Ildefonso
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-28.
