Region I

Barangays in Ilocos Region

Ilocos Region has 4 provinces, 125 cities & municipalities, and 3,267 barangays.

Population & Statistics

From the 2024 Census of Population (POPCEN)

Total Population (2024): 5,342,453
Population (2020): 5,301,139
Population (2015): 5,026,128
Growth (2020 → 2024): +0.8%

Barangay Insights for Ilocos Region

The most populous barangay in Ilocos Region is Brgy. Bonuan Gueset with 24,943 residents, while the smallest with a reliable count is Brgy. Sapat (68). Of the 3,267 barangays with a classification on record, 12% are urban and 88% rural. Elected-officials records are documented for 99% of the 3,267 barangays here.

Barangays: 3,267
Avg. population: 1,635
Median population: 1,259
Officials documented: 99%
Urban: 12%

Most populous

Brgy. Bonuan Gueset

24,943 residents

Smallest (reliable count)

Brgy. Sapat

68 residents

Fastest growing (2020 to 2024)

Brgy. Sapilang

+60.9%

Aggregated from official Philippine Statistics Authority census data and Philippine Standard Geographic Code records by the Barangay Directory editorial team. See our methodology.

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Most Populous Barangays in Ilocos Region

The largest barangays in Ilocos Region by population, from the latest Philippine Statistics Authority census.

Full ranking →

1.Brgy. Bonuan Gueset— 24,943
2.Brgy. Pantal— 17,033
3.Brgy. Bonuan Boquig— 15,943
4.Brgy. Poblacion— 12,945
5.Brgy. Bonuan Binloc— 11,326
6.Brgy. Poblacion— 11,077
7.Brgy. Sevilla— 10,980
8.Brgy. Poblacion— 10,775
9.Brgy. Lucao— 10,353
10.Brgy. Malued— 9,575

Major Cities in Ilocos Region

Top 8 cities by barangay count.

Provinces in Ilocos Region

Frequently Asked Questions about Ilocos Region

How many barangays are in Ilocos Region?▾

Ilocos Region has 3,267 barangays across 4 provinces and 125 cities and municipalities in the Philippines.

What is the most populous barangay in Ilocos Region?▾

The most populous barangay in Ilocos Region is Brgy. Bonuan Gueset with 24,943 residents, based on the latest census published by the Philippine Statistics Authority.

What is the population of Ilocos Region?▾

Ilocos Region had a population of 5,342,453 according to 2024 POPCEN.

When was this page last updated?▾

The information on this page for Ilocos Region was last updated on 2026-07-01. Barangay counts and population figures can change over time; always verify with the local government unit before relying on this information for official transactions.