Businesses in Diffun, Quirino

Industries

Business Distribution by Industry in Diffun, Quirino

Industry Description	Number of Establishments
Education	92
Churches	27
Restaurants	22
Religion	20
Public administration	16
Pharmacies and drug stores	12
Shopping	11
Higher education (colleges and universities)	11
Loan companies	11

Diffun, Quirino Facts

Area	244.3 km²
Population	65,749
Male Population	33,832 (51.5%)
Female Population	31,917 (48.5%)
Population change (1975 to 2020)	+1335.3%
Population change (2000 to 2020)	+110.6%
Median Age	23.1 years (Male: 22.8, Female: 23.5)
GDP per capita (PPP)	$3,746 (2022)
Local Time
Timezone	Philippine Standard Time
Lat & Lng	16.59000, 121.50570
Zip Codes	3401

Map of Diffun, Quirino

Interactive Map

Diffun, Quirino Population

Years 1975 to 2030

Data	1975	1990	2000	2015	2020	2025*	2030*
Population	4,581	17,077	31,216	59,047	65,749	73,521	81,176
Population Density	18.8 / km²	69.9 / km²	127.8 / km²	241.7 / km²	269.1 / km²	300.9 / km²	332.3 / km²

* Projected

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Diffun, Quirino Population change from 2000 to 2020

Increase of 110.6% from year 2000 to 2020

Location	Change since 1975	Change since 1990	Change since 2000
Diffun, Quirino	+1335.3%	+285%	+110.6%
Philippines	—	—	—

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Diffun, Quirino Median Age

Median Age: 23.1 years

Location	Median Age	Median Age (Female)	Median Age (Male)
Diffun, Quirino	23.1 yrs	23.5 yrs	22.8 yrs
Philippines	23.2 yrs	23.6 yrs	22.8 yrs

Sources: CIESIN (Center for International Earth Science Information Network)

Diffun, Quirino Population Density

Population Density: 269 / km²

Location	Population	Area	Density
Diffun, Quirino	65,749	244.3 km²	269 / km²
Philippines	96.6 million	296,939.4 km²	325 / km²

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Diffun, Quirino Historical and Projected Population

Estimated Population from 1930 to 2100

Sources:

JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
CIESIN (Center for International Earth Science Information Network)
[Link] Klein Goldewijk, K., Beusen, A., Doelman, J., and Stehfest, E.: Anthropogenic land use estimates for the Holocene – HYDE 3.2, Earth Syst. Sci. Data, 9, 927–953, https://doi.org/10.5194/essd-9-927-2017, 2017.

Area Codes

Percentage Area Codes used by businesses in Diffun, Quirino

Human Development Index (HDI)

Statistic composite index of life expectancy, education, and per capita income.

Source: [Link] Kummu, M., Taka, M. &Guillaume, J. Gridded global datasets for Gross Domestic Product and Human Development Index over 1990–2015. Sci Data 5, 180004 (2018) doi:10.1038/sdata.2018.4

Diffun, Quirino Gross Domestic Product (GDP)

GDP per capita, PPP (constant 2017 international $)

Data	1990	1995	2000	2005	2010	2015	2020	2022
GDP per capita	$1,283	$1,350	$1,694	$2,241	$2,402	$2,727	$3,312	$3,746
Total GDP	$62.6M	$77.7M	$118.9M	$185.2M	$225.3M	$300.5M	$394.5M	$477.7M

Source: [Link] Kummu, M., Kosonen, M. & Masoumzadeh Sayyar, S. Downscaled gridded global dataset for gross domestic product (GDP) per capita PPP over 1990–2022. Sci Data 12, 178 (2025) doi:10.1038/s41597-025-04487-x

Diffun, Quirino CO2 Emissions

Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year

Location	CO2 Emissions	CO2 Emissions Per Capita	CO2 Emissions Intensity
Diffun, Quirino	73,553 tn	1.12 tn	301.1 tons/km²
Philippines	104,920,564 tn	1.09 tn	353.3 tons/km²

Sources: [Link] Moran, D., Kanemoto K; Jiborn, M., Wood, R., Többen, J., and Seto, K.C. (2018) Carbon footprints of 13,000 cities. Environmental Research Letters DOI: 10.1088/1748-9326/aac72a

Diffun, Quirino CO2 Emissions

2013 CO2 emissions (tonnes/year)	73,553 tn
2013 CO2 emissions (tonnes/year) per capita	1.12 tn
2013 CO2 emissions intensity (tonnes/km²/year)	301.1 tons/km²

Natural Hazards Risk

Relative risk out of 10

Hazard	Risk Level
Drought	Low (2)
Flood	High (10)
Earthquake	Medium (4.2)
Cyclone	High (10)
Landslide	Medium (7)

* Risk, particularly concerning flood or landslide, may not be for the entire area.

Sources:

Dilley, M., R.S. Chen, U. Deichmann, A.L. Lerner-Lam, M. Arnold, J. Agwe, P. Buys, O. Kjekstad, B. Lyon, and G. Yetman. 2005. Natural Disaster Hotspots: A Global Risk Analysis. Washington, D.C.: World Bank. https://doi.org/10.1596/0-8213-5930-4.
Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University, and Norwegian Geotechnical Institute - NGI. 2005. Global Landslide Hazard Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4P848VZ.
Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University, International Bank for Reconstruction and Development - The World Bank, and United Nations Environment Programme Global Resource Information Database Geneva - UNEP/GRID-Geneva. 2005. Global Cyclone Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4CZ353K.
Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University, and International Research Institute for Climate and Society - IRI - Columbia University. 2005. Global Drought Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4VX0DFT.
Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University. 2005. Global Flood Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4668B3D.
Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University. 2005. Global Earthquake Hazard Distribution - Peak Ground Acceleration. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4BZ63ZS.

Recent Nearby Earthquakes

Magnitude 3.0 and greater

Date▼	Time↕	Magnitude↕	Distance↕	Depth↕	Location↕	Link
12/17/18	4:16 AM	4.4	51.4 km	48,040 m	8km W of Busilak, Philippines	usgs.gov
9/4/18	9:39 AM	4.3	18 km	10,000 m	0km NW of Aglipay, Philippines	usgs.gov
12/26/17	4:12 AM	4.5	38.7 km	56,740 m	7km ENE of San Fernando, Philippines	usgs.gov
6/11/17	3:24 PM	4.6	32.5 km	10,000 m	8km S of San Guillermo, Philippines	usgs.gov
11/13/16	11:47 PM	4.6	34.7 km	35,000 m	5km E of Salinungan Proper, Philippines	usgs.gov
6/10/16	6:52 PM	5.1	52.9 km	36,670 m	14km W of Uddiawan, Philippines	usgs.gov
6/9/16	7:54 PM	5.4	43.5 km	8,000 m	5km WNW of Uddiawan, Philippines	usgs.gov
3/19/16	8:16 PM	4.2	51.8 km	10,000 m	9km WSW of Busilak, Philippines	usgs.gov
3/15/16	6:10 PM	4.4	32.6 km	40,050 m	3km NNE of Alicia, Philippines	usgs.gov
7/23/15	10:06 PM	4.5	59 km	41,570 m	14km SSE of Dicamay, Philippines	usgs.gov

Source: U.S. Geological Survey (USGS)

Diffun, Quirino

The Municipality of Diffun is a second class municipality in the province of Quirino, Philippines. According to the 2010 census, it had a population of 48,501 people. Commercial establishments proliferated along the provincial road due to its proximi..

Diffun, Quirino Wikipedia Page

Santiago (Philippine city)

About Our Data

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