What is the population of Siayan?

The population of Siayan is 34,966.

Where is Siayan located?

Siayan is located at latitude 8.1554000 and longitude 123.1222000. It is in Philippines.

The area of Siayan is 494.75 km².

Siayan is in the Asia/Manila time zone.

The population of Siayan has increased from 9,193 (1970) to 34,966 (2015), a change of 280.4%.

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Siayan: municipality of the Philippines in the province of Zamboanga del Norte

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)

Siayan is located at 8°9'19"N 123°7'20"E (8.1554000, 123.1222000). It has 3 neighbors: Sindangan, Midsalip and Dumingag.

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Official website of Siayan

Official Website

Siayan has 3 neighbours.

Sindangan municipality of the Philippines in the province of Zamboanga del Norte
Midsalip municipality of the Philippines in the province of Zamboanga del Sur
Dumingag municipality of the Philippines in the province of Zamboanga del Sur

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