Barangay Directory

Ilocos Sur · Ilocos Region

36 Barangays in Santo Domingo

Santo Domingo is a municipality in Ilocos Sur with 36 barangays. Click any barangay to view its contact details, address, and officials.

Search within Santo Domingo

Population & Statistics

2024 POPCEN

Total Population (2024)
29,372
Population (2020)
29,041
Population (2015)
27,975
Growth (2020 → 2024)
+1.1%
Avg. per barangay
816

Income classification: 3rd

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Most Populous Barangays in Santo Domingo

  1. 1.Brgy. Nambaran 1,392
  2. 2.Brgy. Laoingen 1,384
  3. 3.Brgy. Cabaritan 1,271
  4. 4.Brgy. Nalasin 1,257
  5. 5.Brgy. Quimmarayan 1,210

Complete List of Barangays in Santo Domingo

Frequently Asked Questions about Santo Domingo

How many barangays are in Santo Domingo?

Santo Domingo 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 Santo Domingo located?

Santo Domingo is a municipality in the province of Ilocos Sur, in the Ilocos Region region of the Philippines.

Is Santo Domingo a city or municipality?

Santo Domingo is a municipality in Ilocos Sur, Philippines.

What province is Santo Domingo in?

Santo Domingo is located in the province of Ilocos Sur, which is part of the Ilocos Region region of the Philippines.

What is the population of Santo Domingo?

Santo Domingo had a population of 29,372 residents according to the 2024 POPCEN. The municipality contains 36 barangays.

What is the largest barangay in Santo Domingo by population?

The largest barangay in Santo Domingo by population is Brgy. Nambaran with 1,392 residents. See the ranked list of the most populous barangays on this page.

How do I get a barangay clearance in Santo Domingo?

To get a barangay clearance in Santo Domingo, 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 Santo Domingo'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 Santo Domingo?

The ZIP code for Santo Domingo is 2729. This Philippine postal code is used for mail delivery across all 36 barangays in the municipality.

What is the income classification of Santo Domingo?

Santo Domingo is classified as a 3rd 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 Santo Domingo was last updated on 2026-05-24. 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.