Alfonso Castaneda, Cagayan Valley
Alfonso Castaneda: Municipality of the Philippines in the province of Nueva Vizcaya
About
Quick Facts about Alfonso Castaneda
| Population : | 7,940 |
| Country : | Philippines |
| State : | Cagayan Valley (Philippines) |
| County : | Province of Nueva Vizcaya |
| Head of government : | mayor |
| Postal code : | 3714 |
| Phone Area Codes : | 78 |
| Area : | 375.4 km2 |
| Official name : | Municipality of Alfonso Castañeda |
| Time Zone : | UTC+08:00 |
| Local time : | 04:17:53 (6th December 2025) |
Geography
Alfonso Castaneda is located at 15°54'0"N 121°18'0"E (15.9000000, 121.3000000).
Alfonso Castaneda map
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Demographics
| Year | Population | % Change | Method |
| 1980 | 2,797 | - | census |
| 1990 | 3,751 | 25.43% | census |
| 1995 | 4,447 | 15.65% | census |
| 2000 | 4,808 | 7.51% | census |
| 2007 | 6,655 | 27.75% | census |
| 2010 | 7,428 | 10.41% | census |
| 2015 | 7,940 | 6.45% | census |
Alfonso Castaneda
