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.
Diffun is politically subdivided into 33 barangays. Each barangay consists of puroks and some have sitios.
Poverty incidence of Diffun
Source: Philippine Statistics Authority7891011121314
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.
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
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 ↩
"Diffun: Average Temperatures and Rainfall". Meteoblue. Retrieved 4 July 2021. https://www.meteoblue.com/en/weather/historyclimate/climatemodelled/diffun_philippines_1714974 ↩
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 ↩
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 ↩
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 ↩
"Province of". Municipality Population Data. Local Water Utilities Administration Research Division. Retrieved 17 December 2016. http://122.54.214.222/population/MunPop.asp?prov= ↩
"Poverty incidence (PI):". Philippine Statistics Authority. Retrieved December 28, 2020. https://psa.gov.ph/content/poverty-incidence-pi ↩
"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 ↩
"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 ↩
"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 ↩
"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 ↩
"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 ↩
"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 ↩
"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 ↩
"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 ↩
"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/ ↩
"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/ ↩
"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 ↩