Irosin, Bicol
Irosin: municipality of the Philippines in the province of Sorsogon
About
Quick Facts about Irosin
| Population | 56,662 |
| Country | Philippines |
| State | Bicol (Philippines) |
| County | Province of Sorsogon |
| Postal code | 4707 |
| Phone Area Codes | 56 |
| Area | 149.87 km2 |
| Official name | Municipality of Irosin |
| Latitude & Longitude | 12.7500,124.0333 |
| Time Zone | UTC+08:00 |
| Local time | 17:04:13 (18th April 2026) |
Geography
Irosin is located at 12°45'0"N 124°1'60"E (12.7500000, 124.0333300).
Irosin map
Click "full screen"
icon to open full mode. View satellite images
Official website of Irosin
Official WebsiteDemographics
| Year | Population | % Change | Method |
|---|---|---|---|
| 1903 | 8,644 | - | census |
| 1918 | 14,775 | 41.5% | census |
| 1939 | 17,017 | 13.18% | census |
| 1948 | 19,317 | 11.91% | census |
| 1960 | 23,134 | 16.5% | census |
| 1970 | 27,953 | 17.24% | census |
| 1975 | 30,989 | 9.8% | census |
| 1980 | 34,978 | 11.4% | census |
| 1990 | 37,887 | 7.68% | census |
| 1995 | 41,005 | 7.6% | census |
| 2000 | 45,507 | 9.89% | census |
| 2007 | 49,968 | 8.93% | census |
| 2010 | 51,777 | 3.49% | census |
| 2015 | 56,662 | 8.62% | census |
Other places with the same name (1)
- Irosin, Bicol with a population of 20,716 people.