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Ilagan, Philippines
Cagayan Valley · Philippines
Ilagan is a large city in Cagayan Valley, Philippines with a population of 164,020. Elevation: 180 ft (55 m). Average temperature: 80°F (27°C).
Data updated June 2026
Discover Ilagan, Philippines
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About Ilagan
Ilagan, officially the City of Ilagan, is a component city and capital of the province of Isabela, Philippines. According to the 2024 census, it has a population of 164,020 people, making it the most populous city in the province and second in the region after Tuguegarao City. As of 2025, it also had the highest number of voters in the province, with 105,526 voters.
People
Climate
| Population | 164,020 |
| Population Density | 364 / sq mi |
| Elevation | 180 ft (55 m) |
| Coordinates | 17.1485°, 121.8892° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Cagayan Valley |
| Average Temperature | 80°F (27°C) |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Annual Precipitation | 79.6 inches (2,021 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Ilagan
Ilagan is a large city in Philippines (Cagayan Valley) with a population of 164,020. The city sits at an elevation of 180 feet (55 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 75°F in January to 83°F in July. Annual precipitation averages 79.6 inches. The timezone is Asia/Manila.
Climate in Ilagan
Ilagan has an average annual temperature of 26.3°C (79°F). The hottest month is May (28.9°C), the coldest is Jan (22.9°C). Average annual precipitation is 3134 mm.
Temperature
| Annual Average | 80.3°F |
| 49% above Philippines avg | |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 197 days/yr |
Geography
| Elevation | 180 ft (55 m) |
| Area | 450.3 sq mi (1,166.3 km²) |
| Population Density | 364/sq mi |
| Coordinates | 17.1485°N, 121.8892°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 0.2 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1968 | E. LUZON ISLAND | Earthquake | 0.2 m | 270 | 79 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 121 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | - | 20 | 128 km |
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Ambalatungan Group (86 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 86 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 122 km |
| Camiguin de Babuyanes | Stratovolcano | 712 m (2,336 ft) | 1857 | 187 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 2.6 in | Coldest |
| February | 76°F (24°C) | 1.9 in | Driest |
| March | 80°F (27°C) | 1.9 in | |
| April | 83°F (28°C) | 2.5 in | |
| May | 84°F (29°C) | 5.1 in | |
| June | 85°F (29°C) | 6.9 in | Warmest |
| July | 83°F (28°C) | 6.7 in | |
| August | 83°F (28°C) | 7.8 in | |
| September | 82°F (28°C) | 7.9 in | |
| October | 80°F (27°C) | 14.0 in | |
| November | 78°F (26°C) | 14.2 in | Wettest |
| December | 75°F (24°C) | 8.1 in |
Ilagan has a seasonal temperature swing of 10°F / from 75°F in January to 85°F in June. Total annual precipitation is 79.6 inches, with November being the wettest month (14.2") and February the driest (1.9").
Colleges & Universities in Ilagan
| Institution | Type | Founded | Website |
|---|---|---|---|
| College of Arts and Sciences | College | - | , |
| College of Arts and Sciences Annex | College | - | , |
| College of Engineering, Architecture and Technology | College | - | , |
| Isabela College of Arts & Technology | College | - | , |
| Isabela Polytechnic College | College | - | , |
| Isabela State University - San Mariano Campus | University | - | , |
| Isabela State University Cauayan Campus | University | - | , |
| Isabela State University Ilagan Campus | University | - | , |
| Isabela State University, College of Nursing | College | - | , |
| La Salette of Roxas College | College | - | , |
| National Police Training Institute, Regional Training Center 2 | College | - | , |
| Our Lady of the Pillar College - Cauayan | College | - | Visit → |
| Our Lady of the Pillar College (High School Department) | College | - | , |
| St. Ferdinand College | College | - | , |
| University of Perpetual Help System Cauayan | University | - | , |
Schools in Ilagan
24 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Lullutan Elementary School | - | - | - | - |
| Ilagan West Central School | - | - | - | - |
| Marana 3rd Elementary School | - | - | - | - |
| Alinguigan 2nd Integrated School | - | - | - | - |
| Alinguigan 3rd Elementary School | - | - | - | - |
| Isabela National High School | - | - | - | - |
| Fugu Elementary School | - | - | - | - |
| Aggassian Elementary School | - | - | - | - |
| Alinguigan 1st Elementary School | - | - | - | - |
| Marana 2nd Elementary School | - | - | - | - |
| Malalam Elementary School | - | - | - | - |
| Guinatan Primary School | - | - | - | - |
| Ilagan Sports High School | - | - | - | - |
| Sipay Elementary School | - | - | - | - |
| Naguilian Baculud Elementary School | - | - | - | - |
| Ilagan West National High School | - | - | - | - |
| Ballacong Elementary School | - | - | - | - |
| Cadu Elementary School | - | - | - | - |
| Camunatan Primary School | - | - | - | - |
| Casa Del Niño Montessori School of Ilagan | - | - | - | - |
| Chinese School | - | - | - | - |
| Ilagan East Central School | - | - | - | - |
| Ilagan North Central School | - | - | - | - |
| Ilagan East Integrated SPED Center | - | - | - | - |
Radio Stations near Ilagan
5 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Star FM Baguio | - | AAC | |
| Love Radio Santiago | - | MP3 64 kbps | |
| Radyo Natin Santiago | - | AAC 64 kbps | |
| Love Radio Santiago (M3U) | - | MP3 64 kbps | |
| Radyo Natin Candon | - | AAC 64 kbps |
Museums in Ilagan
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| City of Ilagan Museum |
Farmers Markets in Ilagan
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Cabatuan Public Market | |||||
| Cauayan City Public Market | |||||
| Delfin Albano Public Market | |||||
| Meat & Vegetables | |||||
| Naguilian Public Market | |||||
| San Mariano Public Market | |||||
| Tumauini Public Market, San Pedro Tumauni, Isabela |
Clinics in Ilagan
1 clinics within city radius - OpenStreetMap data
Bus Stations in Ilagan
3 bus stations within city radius - OpenStreetMap data
Gas Stations in Ilagan
5 gas stations within city radius - OpenStreetMap data
Airports Near Ilagan
10 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Cauayan Airport | CYZ | Medium Airport |
| Tuguegarao Airport | TUG | Medium Airport |
| Bagabag Airport | - | Small Airport |
| Bicobian Bay Airstrip | - | Small Airport |
| Cordon Airport | - | Small Airport |
| Dilasag Airport | DSG | Small Airport |
| Dinapigue Airstrip | - | Small Airport |
| Maconacon Airstrip | - | Small Airport |
| Palanan Community Airport | - | Small Airport |
| Salolwan Airstrip | - | Small Airport |
Post Offices in Ilagan
1 post offices.
| Post Office | Address |
|---|---|
| Ilagan Post Office |
Churches & Religious Organizations in Ilagan
3 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Saint Ferdinand Co-Cathedral | |
| The Church of Jesus Christ of Latter-day Saints | |
| The Church of Jesus Christ of Latter-day Saints |
Quick Facts
Around Ilagan
Places within 5 km radius - OpenStreetMap data
Things to See Near Ilagan
1 places within 15 km
- • Andres Bonifacio Park
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
Frequently Asked Questions About Ilagan
What is the population of Ilagan?
Ilagan has a population of 164,020 residents and is located in Philippines. The population density is 364 people per square mile, spread across 450.3 square miles.
What is the weather like in Ilagan?
Ilagan has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 75°F in January, while summers reach an average of 83°F in July. The area receives 197 sunny days per year. Annual rainfall totals 79.6 inches.