How many barangays are in San Ildefonso?▾
San Ildefonso has 15 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 Ildefonso located?▾
San Ildefonso is a municipality in the province of Ilocos Sur, in the Ilocos Region region of the Philippines.
Is San Ildefonso a city or municipality?▾
San Ildefonso is a municipality in Ilocos Sur, Philippines.
What province is San Ildefonso in?▾
San Ildefonso is located in the province of Ilocos Sur, which is part of the Ilocos Region region of the Philippines.
What is the population of San Ildefonso?▾
San Ildefonso had a population of 8,213 residents according to the 2024 POPCEN. The municipality contains 15 barangays.
What is the largest barangay in San Ildefonso by population?▾
The largest barangay in San Ildefonso by population is Brgy. Busiing Norte with 971 residents. See the ranked list of the most populous barangays on this page.
How do I get a barangay clearance in San Ildefonso?▾
To get a barangay clearance in San Ildefonso, 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 Ildefonso's 15 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 Ildefonso?▾
The ZIP code for San Ildefonso is 2728. This Philippine postal code is used for mail delivery across all 15 barangays in the municipality.
What is the income classification of San Ildefonso?▾
San Ildefonso is classified as a 5th 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 Ildefonso was last updated on 2026-05-27. 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.
