Barangay San Gregorio is a local government unit in Alaminos, Laguna, in the CALABARZON region of the Philippines. It had a population of 3,522 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
Arnulfo Abril Manalo(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay San Gregorio · Data updated 2026-05-26
About Barangay San Gregorio
Classified as a mid-sized barangay, Barangay San Gregorio is one of the administrative divisions of Alaminos in Laguna, CALABARZON, Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay San Gregorio had a population of 3,522. This made it the 7th largest of 15 barangays in Alaminos by population, placing it in the middle tier of the municipality. Residents of Barangay San Gregorio accounted for approximately 6.57% of the total population of Alaminos, which stood at 53,589 in the same 2024 POPCEN reference period.
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The barangay recorded 3,504 residents in the 2020 Census of Population and Housing and 3,522 residents in the 2024 POPCEN — a net change of +0.5%, consistent with a slowly expanding settlement. Barangay San Gregorio is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Alaminos is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay San Gregorio, 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 Gregorio ranks 252nd 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 Gregorio 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 Gregorio from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
3,315
—
—
2020 CPH
3,504
+189
+5.7%
2024 POPCEN
3,522
+18
+0.5%
2015–2020: +5.7% total (+1.12%/yr).2020–2024: +0.5% total (+0.13%/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
7thof 15
Among the upper half of Alaminos by population.
Share of Alaminos
6.6%
of the municipality's total 53,589 residents.
Rank in Laguna
252ndof 681
Province-wide percentile: 63.
PSA Classification
Rural
Lower density, predominantly non-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 Gregorio 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 Gregorio
Where is Barangay San Gregorio located?▾
Barangay San Gregorio is a barangay in the municipality of Alaminos, Laguna, CALABARZON, Philippines.
What is the address of the Barangay San Gregorio hall?▾
Barangay San Gregorio 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 Gregorio?▾
The Punong Barangay of Barangay San Gregorio is Arnulfo Abril Manalo (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay San Gregorio?▾
You can contact Barangay San Gregorio via phone at 5030094.
What municipality is Barangay San Gregorio part of?▾
Barangay San Gregorio is one of 15 barangays in the municipality of Alaminos, Laguna, Philippines.
Is Barangay San Gregorio urban or rural?▾
Barangay San Gregorio 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 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 Gregorio.
Has the population of Barangay San Gregorio been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay San Gregorio went from 3,504 residents to 3,522 — a change of +0.5% 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 Gregorio in?▾
Barangay San Gregorio 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 Gregorio. You can browse the full list on our Alaminos page.
How many residents does Barangay San Gregorio have?▾
Barangay San Gregorio had a population of 3,522 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay San Gregorio?▾
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 Gregorio, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay San Gregorio was last updated on 2026-05-26. 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 Gregorio
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-26.
