San Ildefonso, Ilocos Sur
San Ildefonso | |
|---|---|
| Municipality of San Ildefonso | |
Parish Church of San Ildefonso | |
| Motto: Progreso San Ildefonso! (Progress San Ildefonso) | |
Map of Ilocos Sur with San Ildefonso highlighted | |
OpenStreetMap | |
Location within the Philippines | |
| Coordinates: 17°37′38″N 120°23′38″E / 17.6272°N 120.3939°E | |
| Country | Philippines |
| Region | Ilocos Region |
| Province | Ilocos Sur |
| District | 1st district |
| Founded | March 1625 |
| Named after | Saint Ildefonsus |
| Barangays | 15 (see Barangays) |
| Government | |
| • Type | Sangguniang Bayan |
| • Mayor | Christian Daniel A. Purisima |
| • Vice Mayor | Robert R. Riego |
| • Representative | Deogracias Victor B. Savellano |
| • Municipal Council | Members |
| • Electorate | 6,198 voters (2025) |
| Area | |
• Total | 11.35 km2 (4.38 sq mi) |
| Elevation | 10 m (30 ft) |
| Highest elevation | 47 m (154 ft) |
| Lowest elevation | 0 m (0 ft) |
| Population (2020 census) | |
• Total | 8,190 |
| • Density | 720/km2 (1,900/sq mi) |
| • Households | 1,976 |
| Economy | |
| • Income class | 5th municipal income class |
| • Poverty incidence | 14.06 |
| • Revenue | ₱ 195.8 million (2022) |
| • Assets | ₱ 624.9 million (2022) |
| • Expenditure | ₱ 143.9 million (2022) |
| • Liabilities | ₱ 46.18 million (2022) |
| Service provider | |
| • Electricity | Ilocos Sur Electric Cooperative (ISECO) |
| Time zone | UTC+8 (PST) |
| ZIP code | 2728 |
| PSGC | |
| IDD : area code | +63 (0)77 |
| Native languages | Ilocano Tagalog |
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San Ildefonso, officially the Municipality of San Ildefonso (Ilocano: Ili ti San Ildefonso; Filipino: Bayan ng San Ildefonso), is a municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 8,190 people. The town was named after Saint Ildephonsus, a 7th century scholar and theologian.