# Diffun

Diffun, officially the Municipality of Diffun (Ilocano: Ili ti Diffun; Tagalog: Bayan ng 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.

## Geography
### 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 :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| 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 days | 18.4 | 13.6 | 11.6 | 9.4 | 19.3 | 21.9 | 23.9 | 23.4 | 21.1 | 16.3 | 18.1 | 21.4 | 218.4 |
| Source: Meteoblue ||||||||||||||

## Economy

Poverty incidence of Diffun
* 10
* 20
* 30
* 40
* 2000 35.60
* 2003 32.23
* 2006 23.00
* 2009 17.48
* 2012 15.76
* 2015 13.36
* 2018 10.64
* 2021 10.07
* Source: Philippine Statistics Authority

## Government
### Local government

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) :
| Position | Name |
| Congressman | Junie E. Cua |
| Mayor | May G. Calaunan |
| Vice-Mayor | Marlito G. Corpuz |
| Councilors | Cesar M. Agustin |
| Councilors | Ma. Karen A. Baldonado-Guillermo |
| Councilors | Gloria C. Antolin |
| Councilors | Renato M. Antolin |
| Councilors | Elpidio G. Javonillo |
| Councilors | Michael A. Lidiang |
| Councilors | Roseller A. Escobar |
| Councilors | Cesar C. Valencia |

## Education

The Schools Division of Quirino governs the town's public education system. The division office is a field office of the DepEd in Cagayan Valley region. The office governs the public and private elementary and public and private high schools throughout the municipality.

### Higher educational institution

* Quirino State University