Caoayan

Caoayan
Municipality of Caoayan
The Caoayan Town Hall
Etymology: Bamboo
Motto: 
Pardas Caoayan!
Map of Ilocos Sur with Caoayan highlighted
OpenStreetMap
Caoayan
Location within the Philippines
Coordinates: 17°32′49″N 120°22′59″E / 17.5469°N 120.3831°E / 17.5469; 120.3831
CountryPhilippines
RegionIlocos Region
ProvinceIlocos Sur
District 1st district
Founded1825
Chartered1911
Barangays17 (see Barangays)
Government
  TypeSangguniang Bayan
  MayorGermelina Singson Goulart
  Vice MayorJuan Paolo Singson Ancheta
  RepresentativeRonald Verzosa Singson
  Municipal Council
Members
  Electorate14,324 voters (2025)
Area
  Total
17.42 km2 (6.73 sq mi)
Elevation
5.0 m (16.4 ft)
Highest elevation
44 m (144 ft)
Lowest elevation
0 m (0 ft)
Population
 (2020 census)
  Total
19,574
  Density1,100/km2 (2,900/sq mi)
  Households
4,838
Economy
  Income class2nd Municipal Income Class
  Poverty incidence
15.60
% (2021)
  Revenue216.4 million (2022)
  Assets710.9 million (2022)
  Expenditure121.2 million (2022)
  Liabilities120.1 million (2022)
Service provider
  ElectricityIlocos Sur Electric Cooperative (ISECO)
Time zoneUTC+8 (PST)
ZIP code
2702
PSGC
IDD:area code+63(0)77
Native languagesIlocano
Tagalog

Caoayan, officially the Municipality of Caoayan (Ilocano: Ili ti Caoayan; Filipino: Bayan ng Caoayan), is a municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 19,574 people.