Ranking
Largest cities and municipalities in Ilocos Sur
Candon City (Ilocos Sur) is the largest of the 34 cities and municipalities in Ilocos Sur, with 61,315 people at the 2024 census.[1]
Below are all 34 cities and municipalities, ordered by their people in the 2024 census, each with its 2020 count and its change since.
People are counted as of July 1, 2024 (the 2024 Census of Population) and May 1, 2020 (the 2020 Census of Population and Housing), both by the Philippine Statistics Authority.
| Rank | Name | Province or region | People, 2024 | People, 2020 | Change since 2020 |
|---|---|---|---|---|---|
| 1 | Candon City | Ilocos Sur | 61,315 | 61,432 | −0.2% |
| 2 | Vigan City | Ilocos Sur | 54,498 | 53,935 | +1.0% |
| 3 | Narvacan | Ilocos Sur | 46,265 | 46,234 | +0.1% |
| 4 | Tagudin | Ilocos Sur | 41,606 | 41,538 | +0.2% |
| 5 | Santa Cruz | Ilocos Sur | 41,296 | 41,366 | −0.2% |
| 6 | Cabugao | Ilocos Sur | 38,981 | 38,884 | +0.3% |
| 7 | Bantay | Ilocos Sur | 37,088 | 37,118 | −0.1% |
| 8 | Magsingal | Ilocos Sur | 31,970 | 31,308 | +2.1% |
| 9 | Santa Maria | Ilocos Sur | 30,076 | 30,006 | +0.2% |
| 10 | Santo Domingo | Ilocos Sur | 29,372 | 29,041 | +1.1% |
| 11 | San Juan | Ilocos Sur | 26,709 | 26,674 | +0.1% |
| 12 | Santa Lucia | Ilocos Sur | 26,200 | 25,966 | +0.9% |
| 13 | Sinait | Ilocos Sur | 26,059 | 25,998 | +0.2% |
| 14 | Cervantes | Ilocos Sur | 20,065 | 19,449 | +3.2% |
| 15 | Santiago | Ilocos Sur | 19,771 | 19,471 | +1.5% |
| 16 | Caoayan | Ilocos Sur | 19,715 | 19,574 | +0.7% |
| 17 | Santa | Ilocos Sur | 15,164 | 14,992 | +1.2% |
| 18 | Santa Catalina | Ilocos Sur | 14,319 | 14,493 | −1.2% |
| 19 | San Vicente | Ilocos Sur | 13,074 | 13,118 | −0.3% |
| 20 | Burgos | Ilocos Sur | 13,026 | 12,793 | +1.8% |
| 21 | Salcedo | Ilocos Sur | 11,196 | 11,110 | +0.8% |
| 22 | Suyo | Ilocos Sur | 11,051 | 10,766 | +2.7% |
| 23 | Galimuyod | Ilocos Sur | 10,263 | 10,244 | +0.2% |
| 24 | Quirino | Ilocos Sur | 9,460 | 9,306 | +1.7% |
| 25 | San Esteban | Ilocos Sur | 8,621 | 8,381 | +2.9% |
| 26 | San Ildefonso | Ilocos Sur | 8,213 | 8,190 | +0.3% |
| 27 | Banayoyo | Ilocos Sur | 7,953 | 7,931 | +0.3% |
| 28 | Alilem | Ilocos Sur | 7,736 | 7,361 | +5.1% |
| 29 | San Emilio | Ilocos Sur | 7,513 | 7,206 | +4.3% |
| 30 | Nagbukel | Ilocos Sur | 5,370 | 5,465 | −1.7% |
| 31 | Lidlidda | Ilocos Sur | 4,846 | 4,705 | +3.0% |
| 32 | Gregorio del Pilar | Ilocos Sur | 4,385 | 4,472 | −2.0% |
| 33 | Sugpon | Ilocos Sur | 4,238 | 4,930 | −14.0% |
| 34 | Sigay | Ilocos Sur | 2,577 | 2,552 | +1.0% |
Sources
Every count here is the PSA's own, for the place as the PSA names it today. The change and the order are Scene's arithmetic on those counts. How Scene works out the rest.
- 1.Philippine Statistics Authority. Population and Annual Population Growth Rate of the Philippines and its Regions, Provinces, and Highly Urbanized Cities Based on the 2010, 2015, 2020 and 2024 Population Census (OpenSTAT table 0211A6DAPG0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
Scene works out the rest from these sources: growth rates, shares, areas, densities, coordinates, neighbours and distances. How.
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