Siayan, Zamboanga del Norte

Siayan
Municipality of Siayan
Nickname: 
Pangase Town
Map of Zamboanga del Norte with Siayan highlighted
Interactive map of Siayan
Siayan
Location within the Philippines
Coordinates: 8°15′06″N 123°06′52″E / 8.2517°N 123.1144°E / 8.2517; 123.1144
CountryPhilippines
RegionZamboanga Peninsula
ProvinceZamboanga del Norte
District 2nd district
Named afterSiay and Ayan
Barangays22 (see Barangays)
Government
 • TypeSangguniang Bayan
 • MayorAlberto J. Bongcawel (Lakas)
 • Vice MayorCrisologo A. Decierdo (Lakas)
 • RepresentativeIrene G. Labadlabad (Lakas)
 • Municipal Council
Members
  • Estrella S. Zapatos
  • Geronimo M. Yosores, Jr.
  • Wencito B. Intoy
  • Daisy A. Limbang
  • Wilfredo A. Siasico
  • Billynel C. Catig
  • Raul P. Dominise
  • Roel J. Pabiran
 • Electorate28,072 voters (2025)
Area
 • Total
494.75 km2 (191.02 sq mi)
Elevation
193 m (633 ft)
Highest elevation
682 m (2,238 ft)
Lowest elevation
19 m (62 ft)
Population
 (2024 census)
 • Total
40,937
 • Density82.743/km2 (214.30/sq mi)
 • Households
7,607
Economy
 • Income class1st municipal income class
 • Poverty incidence
67.03
% (2021)
 • Revenue₱ 311.1 million (2022)
 • Assets₱ 693.3 million (2022)
 • Expenditure₱ 197.2 million (2022)
 • Liabilities₱ 189.1 million (2022)
Service provider
 • ElectricityZamboanga del Norte Electric Cooperative (ZANECO)
Time zoneUTC+8 (PST)
ZIP code
7113
PSGC
IDD:area code+63 (0)65
Native languagesSubanon
Cebuano
Chavacano
Tagalog
Websitesiayan.gov.ph

Siayan, officially the Municipality of Siayan (Cebuano: Lungsod sa Siayan; Subanen: Benwa Siayan; Chavacano: Municipalidad de Siayan; Tagalog: Bayan ng Siayan), is a municipality in the province of Zamboanga del Norte, Philippines. According to the 2024 census, it has a population of 40,937 people.