Barangay Directory

Ilocos Sur · Ilocos Region

20 Most Populous Barangays in Ilocos Sur

Top 20 barangays in Ilocos Sur province ranked by 2020 Census population.

Ilocos Sur is one of the 81 provinces of the Philippines, located in the Ilocos Region region. The province contains 768 barangays across its cities and municipalities. This page ranks the 20 most populous of those barangays by 2020 Census of Population and Housing figures.

The largest barangay in Ilocos Sur is Barangay Puro in Magsingal, with a 2020 census population of 4,785. Population rankings reflect the density and urbanization of the host city or municipality — most top-ranked barangays sit in the commercial centres of Ilocos Sur.

#BarangayPopulation (2020)
1Barangay Puro
Magsingal, Ilocos Sur
4,785
2Barangay Tablac
City of Candon, Ilocos Sur
3,562
3Barangay Ayusan Norte
City of Vigan, Ilocos Sur
3,526
4Barangay San Sebastian
San Vicente, Ilocos Sur
3,388
5Barangay Tamag
City of Vigan, Ilocos Sur
3,380
6Barangay Darapidap
City of Candon, Ilocos Sur
3,327
7Barangay Pantay Fatima
City of Vigan, Ilocos Sur
3,156
8Barangay Tamorong
Santa Catalina, Ilocos Sur
3,143
9Barangay Balaleng
Bantay, Ilocos Sur
3,016
10Barangay Calongbuyan
City of Candon, Ilocos Sur
2,889
11Barangay San Julian Norte
City of Vigan, Ilocos Sur
2,876
12Barangay Bulag
Bantay, Ilocos Sur
2,765
13Barangay Quinarayan
Narvacan, Ilocos Sur
2,730
14Barangay San Nicolas
City of Candon, Ilocos Sur
2,690
15Barangay Fuerte
Caoayan, Ilocos Sur
2,675
16Barangay Caterman
City of Candon, Ilocos Sur
2,652
17Barangay Calaoaan
City of Candon, Ilocos Sur
2,608
18Barangay Margaay
Narvacan, Ilocos Sur
2,607
19Barangay Tay-ac
Bantay, Ilocos Sur
2,595
20Barangay IX
City of Vigan, Ilocos Sur
2,549
Data source: 2020 Census of Population and Housing published by the Philippine Statistics Authority. Only barangays with a reported 2020 population are included. See methodology.