Irosin, Sorsogon

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Map of Sorsogon with Irosin highlighted
Map of Sorsogon with Irosin highlighted
Irosin is located in Philippines
Location within the Philippines
Coordinates: 12°42′N 124°02′E / 12.700°N 124.033°E / 12.700; 124.033Coordinates: 12°42′N 124°02′E / 12.700°N 124.033°E / 12.700; 124.033
Country Philippines
Region Bicol (Region V)
Province Sorsogon
Legislative district 2nd district of Sorsogon
Language Bisakol languages
Barangays 28
 • Mayor Jun Ong
 • Total 149.87 km2 (57.87 sq mi)
Population (2010)[2]
 • Total 51,777
 • Density 350/km2 (890/sq mi)
Time zone PST (UTC+8)
ZIP code 4707
Dialing code 56

Irosin is a second class municipality[3] in the province of Sorsogon, Philippines. It is the only land-locked municipality of the province. According to the 2010 census, it has a population of 51,777 people.[2]


Irosin is politically subdivided into 28 barangays.[3]

  • Bagsangan
  • Bacolod (Pob.)
  • Batang
  • Bolos
  • Buenavista
  • Bulawan
  • Carriedo
  • Casini
  • Cawayan
  • Cogon
  • Gabao
  • Gulang-Gulang
  • Gumapia
  • Santo Domingo (Lamboon)
  • Liang
  • Macawayan
  • Mapaso
  • Monbon
  • Patag
  • Salvacion
  • San Agustin (Pob.)
  • San Isidro (Pulot)
  • San Juan (Pob.)
  • San Julian (Pob.)
  • San Pedro (Pob.)
  • Tabon-Tabon
  • Tinampo
  • Tongdol


Population census of Irosin
Year Pop. ±% p.a.
1990 37,887 —    
1995 41,005 +1.49%
2000 45,507 +2.26%
2007 49,968 +1.30%
2010 51,777 +1.30%
Source: National Statistics Office[2][4]


Primary education

There are two kinds of Primary Education in Irosin. The public schools particularly Irosin Central School and one private school the Holy Spirit Academy of Irosin

Secondary education

Irosin has many secondary educational institutions. The largest public high school is Gallanosa National High School. There is also a Secondary School in some bigger barangays of Irosin. The Gabao National High School and the Tinampo National High School

The Holy Spirit Academy of Irosin is also the only one that offers private secondary education.

Tertiary education



  1. ^ "Municipalities". Quezon City, Philippines: Department of the Interior and Local Government. Retrieved 20 February 2013. 
  2. ^ a b c "Total Population by Province, City, Municipality and Barangay: as of May 1, 2010" (PDF). 2010 Census of Population and Housing. National Statistics Office. Retrieved 20 February 2013. 
  3. ^ a b c "Province: Sorsogon". PSGC Interactive. Makati City, Philippines: National Statistical Coordination Board. Retrieved 20 February 2013. 
  4. ^ "Province of Sorsogon". Municipality Population Data. LWUA Research Division. Retrieved 25 July 2013. 

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