How many barangays are in Siay?▾
Siay has 29 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 Siay located?▾
Siay is a municipality in the province of Zamboanga Sibugay, in the Zamboanga Peninsula region of the Philippines.
Is Siay a city or municipality?▾
Siay is a municipality in Zamboanga Sibugay, Philippines.
What province is Siay in?▾
Siay is located in the province of Zamboanga Sibugay, which is part of the Zamboanga Peninsula region of the Philippines.
What is the population of Siay?▾
Siay had a population of 43,233 residents according to the 2024 POPCEN. The municipality contains 29 barangays.
What is the largest barangay in Siay by population?▾
The largest barangay in Siay by population is Brgy. Monching with 4,373 residents. See the ranked list of the most populous barangays on this page.
How do I get a barangay clearance in Siay?▾
To get a barangay clearance in Siay, 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 Siay's 29 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 Siay?▾
The ZIP code for Siay is 7006. This Philippine postal code is used for mail delivery across all 29 barangays in the municipality.
What is the income classification of Siay?▾
Siay is classified as a 2nd 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 Siay was last updated on 2026-05-26. 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.