Calayan, Cagayan

Calayan
Municipality
Municipality of Calayan
Smith Volcano on Babuyan Island
Flag
Map of Cagayan with Calayan highlighted
Interactive map of Calayan
Calayan Location within the Philippines
Coordinates: 19°15′43″N 121°28′31″E
Country	Philippines
Region	Cagayan Valley
Province	Cagayan
District	2nd district
Barangays	12 (see Barangays)
Government
• Type	Sangguniang Bayan
• Mayor	Joseph M. Llopis
• Vice Mayor	Edmund B. Escalante
• Representative	Samantha Louise V. Alfonso
• Municipal Council	Members Josephus R. Llopis Hante Tan Allain T. Olivas Ahmed T. Castillejos Elena M. Llopis Teresita P. Singun Crispiniano G. Tugade Roque C. Ventura
• Electorate	9,900 voters (2025)
Area
• Total	494.53 km2 (190.94 sq mi)
Elevation	9.0 m (29.5 ft)
Highest elevation	1,248 m (4,094 ft)
Lowest elevation	0 m (0 ft)
Population  (2024 census)
• Total	18,008
• Density	36.414/km2 (94.313/sq mi)
• Households	4,250
Economy
• Income class	1st municipal income class
• Poverty incidence	9.88 % (2023)
• Revenue	₱ 236.4 million (2024)
• Assets	₱ 889.5 million (2024)
• Expenditure	₱ 234.6 million (2024)
• Liabilities	₱ 241.9 million (2024)
Service provider
• Electricity	Cagayan 2 Electric Cooperative (CAGELCO 2)
Time zone	UTC+8 (PST)
ZIP code	3520
PSGC	0201509000
IDD : area code	+63 (0)78
Native languages	Ibanag Ilocano Ivatan Tagalog
Website	www.calayan-cagayan.gov.ph

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Calayan, officially the Municipality of Calayan (Ilocano: Ili ti Calayan; Ivatan: Kavahayan nu Calayan; Ibanag: Ili nat Calayan; Tagalog: Bayan ng Calayan), is a municipality in the province of Cagayan, Philippines. According to the 2024 census, it has a population of 18,008 people.

It is home to the Calayan rail, a flightless bird identified as a separate species in 2004 and endemic to Calayan Island.