Siayan, Zamboanga Peninsula
Siayan: municipality of the Philippines in the province of Zamboanga del Norte
About
Quick Facts about Siayan
| Population | 34,966 |
| Country | Philippines |
| State | Zamboanga Peninsula (Philippines) |
| County | Province of Zamboanga del Norte |
| Postal code | 7113 |
| Phone Area Codes | 65 |
| Area | 494.75 km2 |
| Official name | Municipality of Siayan |
| Latitude & Longitude | 8.1554,123.1222 |
| Time Zone | UTC+08:00 |
| Local time | 05:45:12 (17th April 2026) |
Geography
Siayan is located at 8°9'19"N 123°7'20"E (8.1554000, 123.1222000). It has 3 neighbors: Sindangan, Midsalip and Dumingag.
Siayan map
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Official website of Siayan
Official WebsiteDemographics
| Year | Population | % Change | Method |
|---|---|---|---|
| 1970 | 9,193 | - | census |
| 1975 | 13,913 | 33.93% | census |
| 1980 | 18,420 | 24.47% | census |
| 1990 | 24,314 | 24.24% | census |
| 1995 | 27,950 | 13.01% | census |
| 2000 | 33,074 | 15.49% | census |
| 2007 | 34,588 | 4.38% | census |
| 2010 | 34,989 | 1.15% | census |
| 2015 | 34,966 | -0.07% | census |
Municipality of Siayan
Other places with the same name (1)
- Siayan, Zamboanga Peninsula with a population of 4,906 people.