Diffun, Cagayan Valley
Diffun: municipality of the Philippines in the province of Quirino
About
Quick Facts about Diffun
| Population | 52,569 |
| Country | Philippines |
| State | Cagayan Valley (Philippines) |
| County | Province of Quirino |
| Postal code | 3401 |
| Phone Area Codes | 78 |
| Area | 320.1 km2 |
| Official name | Municipality of Diffun |
| Latitude & Longitude | 16.6000,121.4667 |
| Time Zone | UTC+08:00 |
| Local time | 11:44:54 (24th April 2026) |
Geography
Diffun is located at 16°36'0"N 121°28'0"E (16.6000000, 121.4666700). It has 2 neighbors: Saguday and Cabarroguis.
Diffun map
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Official website of Diffun
Official WebsiteDemographics
| Year | Population | % Change | Method |
|---|---|---|---|
| 1960 | 9,106 | - | census |
| 1970 | 14,233 | 36.02% | census |
| 1975 | 17,811 | 20.09% | census |
| 1980 | 23,086 | 22.85% | census |
| 1990 | 31,266 | 26.16% | census |
| 1995 | 36,048 | 13.27% | census |
| 2000 | 39,489 | 8.71% | census |
| 2007 | 42,958 | 8.08% | census |
| 2010 | 48,501 | 11.43% | census |
| 2015 | 52,569 | 7.74% | census |