Naguilian, Cagayan Valley
Naguilian: Municipality of the Philippines in the province of La Union
About
Quick Facts about Naguilian
| Population : | 54,221 |
| Country : | Philippines |
| State : | Cagayan Valley (Philippines) |
| County : | Province of Isabela |
| Head of government : | mayor |
| Postal code : | 2511 |
| Phone Area Codes : | 72 |
| Area : | 104.6 km2 |
| Official name : | Municipality of Naguilian |
| Establishment : | February 02, 1839 (186 years ago) |
| Time Zone : | Asia/Manila |
| Local time : | 04:25:18 (6th December 2025) |
Geography
Naguilian is located at 17°1'23"N 121°50'13"E (17.0231500, 121.8370400).
Naguilian map
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- Official Website
Official website of Naguilian
Demographics
| Year | Population | % Change | Method |
| 1903 | 11,885 | - | census |
| 1918 | 14,828 | 19.85% | census |
| 1939 | 15,933 | 6.94% | census |
| 1948 | 15,227 | -4.64% | census |
| 1960 | 19,528 | 22.02% | census |
| 1970 | 25,177 | 22.44% | census |
| 1975 | 27,114 | 7.14% | census |
| 1980 | 29,304 | 7.47% | census |
| 1990 | 36,328 | 19.33% | census |
| 1995 | 39,989 | 9.16% | census |
| 2000 | 43,501 | 8.07% | census |
| 2007 | 45,232 | 3.83% | census |
| 2010 | 48,407 | 6.56% | census |
| 2015 | 54,221 | 10.72% | census |
Naguihan, Naguilan, Naguilian, Naguillian
