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Diffun
Municipality in Cagayan Valley, Philippines

Diffun, officially the Municipality of Diffun , is a municipality in the province of Quirino, Philippines. According to the 2020 census, it has a population of 56,102 people.

Commercial establishments proliferated along the provincial road due to its proximity to Santiago City as the main commercial hub of the region.

Diffun is the most populous town in Quirino Province and is 9 kilometres (5.6 mi) from Cabarroguis, 21 kilometres (13 mi) from Santiago City, and 389 kilometres (242 mi) from Manila.

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Geography

Diffun is situated 10.99 kilometres (6.83 mi) from the provincial capital Cabarroguis, and 360.48 kilometres (223.99 mi) from the country's capital city of Manila.

Barangays

Diffun is politically subdivided into 33 barangays. Each barangay consists of puroks and some have sitios.

  • Andres Bonifacio (Poblacion)
  • Aurora East (Poblacion)
  • Aurora West (Poblacion)
  • Baguio Village
  • Balagbag
  • Bannawag
  • Cajel
  • Campamento
  • Diego Silang
  • Sittio Der-an
  • Don Mariano Perez, Sr.
  • Doña Imelda
  • Dumanisi
  • Gabriela Silang
  • Gulac
  • Guribang
  • Ifugao Village
  • Isidro Paredes
  • Rizal (Poblacion)
  • Liwayway
  • Luttuad
  • Magsaysay
  • Makate
  • Maria Clara
  • Rafael Palma (Don Sergio Osm)
  • Ricarte Norte
  • Ricarte Sur
  • San Antonio
  • San Isidro
  • San Pascual
  • Villa Pascua
  • Aklan Village
  • Gregorio Pimentel
  • Don Faustino Pagaduan

Climate

Climate data for Diffun, Quirino
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Mean daily maximum °C (°F)25(77)26(79)29(84)32(90)32(90)31(88)30(86)30(86)30(86)29(84)27(81)25(77)29(84)
Mean daily minimum °C (°F)19(66)20(68)21(70)23(73)24(75)24(75)24(75)24(75)24(75)23(73)22(72)21(70)22(72)
Average precipitation mm (inches)119(4.7)83(3.3)54(2.1)37(1.5)133(5.2)132(5.2)161(6.3)163(6.4)153(6.0)142(5.6)160(6.3)224(8.8)1,561(61.4)
Average rainy days18.413.611.69.419.321.923.923.421.116.318.121.4218.4
Source: Meteoblue2

Demographics

Population census of Diffun
YearPop.±% p.a.
1960 9,106—    
1970 14,233+4.56%
1975 17,811+4.60%
1980 23,086+5.32%
1990 31,266+3.08%
1995 36,048+2.70%
2000 39,489+1.97%
2007 42,958+1.17%
2010 48,501+4.52%
2015 52,569+1.55%
2020 56,102+1.29%
Source: Philippine Statistics Authority3456

Economy

Poverty incidence of Diffun

102030402000 35.602003 32.232006 23.002009 17.482012 15.762015 13.362018 10.642021 10.07

Source: Philippine Statistics Authority7891011121314

Government

Local government

Main article: Sangguniang Bayan

Diffun is part of the lone congressional district of the province of Quirino. It is governed by a mayor, designated as its local chief executive, and by a municipal council as its legislative body in accordance with the Local Government Code. The mayor, vice mayor, and the municipal councilors are elected directly in polls held every three years.

Elected officials

Members of the Municipal Council(2019–2022)15
PositionName
CongressmanJunie E. Cua
MayorMay G. Calaunan
Vice-MayorMarlito G. Corpuz
CouncilorsCesar M. Agustin
Ma. Karen A. Baldonado-Guillermo
Gloria C. Antolin
Renato M. Antolin
Elpidio G. Javonillo
Michael A. Lidiang
Roseller A. Escobar
Cesar C. Valencia

Education

The Schools Division of Quirino governs the town's public education system.16 The division office is a field office of the DepEd in Cagayan Valley region.17 There are two schools district offices which govern the public and private elementary and high schools throughout the municipality. Theser are Diffun I District, and Diffun II District.18

Primary and elementary schools

  • Aklan Village Elementary School
  • Ammogaoen Elementary School
  • Andres Bonifacio Elementary School
  • Baguio Village Elementary School
  • Balagbag Elementary School
  • Bannawag San Antonio Integrated School (Elementary)
  • Bikibik Elementary School
  • Cajel Elementary School
  • Campamento Elementary School
  • Cupianan Elementary School
  • Der-an Integrated School (Elementary)
  • Diego Silang Elementary School
  • Diffun Central School - Integrated SPED Center (Elementary)
  • Diffun West Central School
  • Don Faustino Pagaduan Elementary School
  • Don Mariano Perez Elementary School
  • Doña Imelda Elementary School
  • Dumanisi Integrated School (Elementary)
  • El Elyon Learning Center
  • Guinagat Elementary School
  • Gulac Integrated School (Elementary)
  • Guribang Elementary School
  • Ifugao Village Integrated School (Elementary)
  • Isidro Paredes Elementary School
  • Liwanag Elementary School
  • Liwayway Elementary School
  • Lower Gabriela Elementary School
  • Luttuad Elementary School
  • Macate Elementary School
  • Magsaysay Elementary School
  • Maria Clara Elementary School
  • Pallutan Elementary School
  • Pamungyen Elementary School
  • Pimentel Elementary School
  • Rafael Palma Elementary School
  • Ricarte Norte Elementary School
  • Ricarte Sur Elementary School
  • Rizal Elementary School
  • San Antonio Integrated School (Elementary)
  • San Isidro Integrated School (Elementary)
  • San Pascual Elementary School
  • Sitio Eden Elementary School
  • Turayok Elementary School
  • United Methodist Marvelous Kindergarten School
  • Upper Gabriela Integrated School (Elementary)
  • Villa Pascua Elementary School

Secondary schools

  • Bannawag San Antonio Integrated School
  • Der-an Integrated School
  • Diffun Central School - Integrated SPED Center
  • Diffun National High School
  • Dumanisi Integrated School
  • Gulac Integrated School
  • Ifugao Village Integrated School
  • Magsaysay National High School
  • Quirino State University Laboratory High School
  • San Antonio Integrated School
  • San Isidro Integrated School
  • St. Mary's Academy
  • Upper Gabriela Integrated School

Higher educational institution

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References

  1. Census of Population (2020). "Region II (Cagayan Valley)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved 8 July 2021. https://psa.gov.ph/system/files/phcd/2022-12/Region%25202.xlsx ↩

  2. "Diffun: Average Temperatures and Rainfall". Meteoblue. Retrieved 4 July 2021. https://www.meteoblue.com/en/weather/historyclimate/climatemodelled/diffun_philippines_1714974 ↩

  3. Census of Population (2015). "Region II (Cagayan Valley)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved 20 June 2016. https://psa.gov.ph/system/files/phcd/2022-12/R02.xlsx ↩

  4. Census of Population and Housing (2010). "Region II (Cagayan Valley)" (PDF). Total Population by Province, City, Municipality and Barangay. National Statistics Office. Retrieved 29 June 2016. https://psa.gov.ph/system/files/phcd/2022-12/Cagayan%2520Valley.pdf ↩

  5. Censuses of Population (1903–2007). "Region II (Cagayan Valley)". Table 1. Population Enumerated in Various Censuses by Province/Highly Urbanized City: 1903 to 2007. National Statistics Office. https://archive.org/download/PhilippinesCensusofPopulationLGUs19032007/Region%202%20Cagayan%20Valley%20Philippines%20Census%20of%20Population%201903%20-%202007.xls ↩

  6. "Province of". Municipality Population Data. Local Water Utilities Administration Research Division. Retrieved 17 December 2016. http://122.54.214.222/population/MunPop.asp?prov= ↩

  7. "Poverty incidence (PI):". Philippine Statistics Authority. Retrieved December 28, 2020. https://psa.gov.ph/content/poverty-incidence-pi ↩

  8. "Estimation of Local Poverty in the Philippines" (PDF). Philippine Statistics Authority. 29 November 2005. https://psa.gov.ph/sites/default/files/NSCB_LocalPovertyPhilippines_0.pdf ↩

  9. "2003 City and Municipal Level Poverty Estimates" (PDF). Philippine Statistics Authority. 23 March 2009. https://psa.gov.ph/sites/default/files/2003%20SAE%20of%20poverty%20(Full%20Report)_1.pdf ↩

  10. "City and Municipal Level Poverty Estimates; 2006 and 2009" (PDF). Philippine Statistics Authority. 3 August 2012. https://psa.gov.ph/sites/default/files/2006%20and%202009%20City%20and%20Municipal%20Level%20Poverty%20Estimates_0_1.pdf ↩

  11. "2012 Municipal and City Level Poverty Estimates" (PDF). Philippine Statistics Authority. 31 May 2016. https://psa.gov.ph/sites/default/files/2012%20Municipal%20and%20City%20Level%20Poverty%20Estimates%20Publication%20(1).pdf ↩

  12. "Municipal and City Level Small Area Poverty Estimates; 2009, 2012 and 2015". Philippine Statistics Authority. 10 July 2019. https://psa.gov.ph/sites/default/files/City%20and%20Municipal-level%20Small%20Area%20Poverty%20Estimates_%202009%2C%202012%20and%202015_0.xlsx ↩

  13. "PSA Releases the 2018 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 15 December 2021. Retrieved 22 January 2022. https://psa.gov.ph/content/psa-releases-2018-municipal-and-city-level-poverty-estimates ↩

  14. "PSA Releases the 2021 City and Municipal Level Poverty Estimates". Philippine Statistics Authority. 2 April 2024. Retrieved 28 April 2024. https://www.psa.gov.ph/content/psa-releases-2021-city-and-municipal-level-poverty-estimates ↩

  15. "2019 National and Local Elections" (PDF). Commission on Elections. Archived (PDF) from the original on 2020-10-06. Retrieved March 10, 2022. https://comelec.gov.ph/php-tpls-attachments/2019NLE/ElectionResults/2019NLE_LIst_of_Elected_CityMun_Candidates.pdf ↩

  16. "THE SCHOOLS DIVISION OF QUIRINO". deped quirino | SDO Quirino Website. Archived from the original on 2022-04-17. Retrieved March 13, 2022. https://sdo-quirino.com.ph/about-us/ ↩

  17. "DEPED REGIONAL OFFICE NO. 02". DepED RO2 | The official website of DepED Regional Office No. 02. Archived from the original on 2022-04-12. https://region2.deped.gov.ph/page/14/ ↩

  18. "Masterlist of Schools" (PDF). Department of Education. January 15, 2021. Retrieved April 14, 2025. https://www.deped.gov.ph/wp-content/uploads/2021/06/SY-2020-2021-Masterlist-of-Schools-Address-only-1-1.pdf ↩