How many barangays are in San Mariano?▾
San Mariano has 36 barangays. You can browse the full alphabetical list on this page, with each barangay linking to its own page of officials, contact details, and address.
Where is San Mariano located?▾
San Mariano is a municipality in the province of Isabela, in the Cagayan Valley region of the Philippines.
Is San Mariano a city or municipality?▾
San Mariano is a municipality in Isabela, Philippines.
What province is San Mariano in?▾
San Mariano is located in the province of Isabela, which is part of the Cagayan Valley region of the Philippines.
What is the population of San Mariano?▾
San Mariano had a population of 61,876 residents according to the 2024 POPCEN. The municipality contains 36 barangays.
What is the largest barangay in San Mariano by population?▾
The largest barangay in San Mariano by population is Brgy. Minanga with 4,537 residents. See the ranked list of the most populous barangays on this page.
How do I get a barangay clearance in San Mariano?▾
To get a barangay clearance in San Mariano, visit the barangay hall of your residential barangay during office hours (typically Monday to Friday, 8am to 5pm), bring a valid government ID and proof of residency, state your purpose, and pay the processing fee (typically ₱50 to ₱100). Most barangays issue the clearance on the same day. See our complete guide to getting a barangay clearance in the Philippines for detailed step-by-step instructions.
When are the next barangay elections in the Philippines?▾
The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, per COMELEC Resolution No. 11191. All barangay officials across San Mariano's 36 barangays — including the Punong Barangay, Kagawads, and SK officials — will be elected. Under Republic Act 12232, officials elected will serve a four-year term.
What is the ZIP code of San Mariano?▾
The ZIP code for San Mariano is 3332. This Philippine postal code is used for mail delivery across all 36 barangays in the municipality.
What is the income classification of San Mariano?▾
San Mariano is classified as a 1st municipality. Income classifications for Philippine local government units are based on the average annual regular income over a rolling period and determine fiscal capacity and administrative structure.
When was this page last updated?▾
The information on this page for San Mariano was last updated on 2026-05-25. The list of barangays, population figures, and administrative classifications can change over time — always verify directly with the local government unit before relying on this information for official transactions.
