Gregorio del Pilar (Gregorio Del Pilar (Concepcion)), Ilocos
Gregorio del Pilar: Municipality of the Philippines in the province of Ilocos Sur
About
Quick Facts about Gregorio Del Pilar (Concepcion)
| Population : | 4,875 |
| Country : | Philippines |
| State : | Ilocos (Philippines) |
| County : | Province of Ilocos Sur |
| Head of government : | mayor |
| Postal code : | 2720 |
| Phone Area Codes : | 77 |
| Area : | 41.66 km2 |
| Official name : | Municipality of Gregorio del Pilar |
| Named for : | Gregorio del Pilar |
| Time Zone : | UTC+08:00 |
| Local time : | 20:54:39 (7th December 2025) |
Geography
Gregorio Del Pilar (Concepcion) is located at 17°9'0"N 120°37'0"E (17.1500000, 120.6166700).
Gregorio del Pilar map
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- Official Website
Official website of Gregorio Del Pilar (Concepcion)
Demographics
| Year | Population | % Change | Method |
| 1903 | 99 | - | census |
| 1918 | 1,436 | 93.11% | census |
| 1939 | 2,046 | 29.81% | census |
| 1948 | 1,819 | -12.48% | census |
| 1960 | 2,164 | 15.94% | census |
| 1970 | 2,657 | 18.55% | census |
| 1975 | 2,950 | 9.93% | census |
| 1980 | 3,080 | 4.22% | census |
| 1990 | 3,417 | 9.86% | census |
| 1995 | 3,940 | 13.27% | census |
| 2000 | 4,134 | 4.69% | census |
| 2007 | 4,308 | 4.04% | census |
| 2010 | 4,219 | -2.11% | census |
| 2015 | 4,875 | 13.46% | census |
Concepcion, Gregorio del Pilar
