Ilagan

Ilagan
City of Ilagan
Ilagan Rizal Park
Nicknames: 
  • Center of Eco-Tourism Adventure in Region 2
  • Home of the World's Largest Wooden Lounge Chair (Butaka)
  • Sports Tourism Hub of the North
  • Corn Capital of the Philippines
Motto(s): 
Sulong Pa! Lungsod ng Ilagan
(More Progress! City of Ilagan)
Anthem: City of Ilagan Hymn (formerly, Martsa ng Ilagan (Ilagan March))
Map of Isabela with Ilagan highlighted
OpenStreetMap
Ilagan
Location within the Philippines
Coordinates: 17°08′56″N 121°53′22″E / 17.1489°N 121.8894°E / 17.1489; 121.8894
CountryPhilippines
RegionCagayan Valley
ProvinceIsabela
District 1st district
FoundedMay 4, 1686
CityhoodAugust 11, 2012
Barangays91 (see Barangays)
Government
  TypeSangguniang Panlungsod
  MayorJosemarie L. Diaz
  Vice MayorKiryll S. Bello
  RepresentativeAntonio T. Albano
  City Council
Members
  Electorate105,526 voters (2025)
Area
  Total
1,166.26 km2 (450.30 sq mi)
Elevation
139 m (456 ft)
Highest elevation
1,388 m (4,554 ft)
Lowest elevation
24 m (79 ft)
Population
 (2020 census)
  Total
158,218
  Density140/km2 (350/sq mi)
  Households
39,663
Demonym(s)Ilagueño (m)
Ilagueña (f)
Economy
  Income class1st city income class
  Poverty incidence
14.00
% (2021)
  Revenue2,857 million (2022)
  Assets6,137 million (2022)
  Expenditure2,158 million (2022)
  Liabilities2,051 million (2022)
Service provider
  ElectricityIsabela 2 Electric Cooperative (ISELCO 2)
  WaterMetro Ilagan Water
Time zoneUTC+8 (PST)
ZIP code
3300
PSGC
IDD:area code+63(0)78
Native languagesIbanag
Ilocano
Tagalog
Patron saintSaint Ferdinand of Castile
Websitewww.cityofilagan.gov.ph

Ilagan, officially the City of Ilagan (Ibanag: Siudad nat Ilagan; Ilocano: Siudad ti Ilagan; Filipino: Lungsod ng Ilagan), is a component city and capital of the province of Isabela, Philippines. According to the 2020 census, it has a population of 158,218 people making it the most populous city in the province and the second most-populous in Cagayan Valley after Tuguegarao. As of 2022, it also had the highest number of voters in the province, with 101,050 voters.