Businesses in Roisan

Roisan Facts

Area	0.3 km²
Population	719
Male Population	366 (50.9%)
Female Population	353 (49.1%)
Population change (1975 to 2020)	+167.3%
Population change (2000 to 2020)	+100.3%
Median Age	41.1 years (Male: 41.3, Female: 41)
GDP per capita (PPP)	$55,498 (2022)
Local Time
Timezone	Central European Summer Time
Lat & Lng	45.78396, 7.31310

Map of Roisan

Interactive Map

Roisan Population

Years 1975 to 2030

Data	1975	1990	2000	2015	2020	2025*	2030*
Population	269	297	359	452	719	693	666
Population Density	860.8 / km²	950.4 / km²	1,148.8 / km²	1,446.4 / km²	2,300.8 / km²	2,217.6 / km²	2,131.2 / km²

* Projected

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

Roisan Population change from 2000 to 2020

Increase of 100.3% from year 2000 to 2020

Location	Change since 1975	Change since 1990	Change since 2000
Roisan	+167.3%	+142.1%	+100.3%
Italy	—	—	—

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

Roisan Median Age

Median Age: 41.1 years

Location	Median Age	Median Age (Female)	Median Age (Male)
Roisan	41.1 yrs	41 yrs	41.3 yrs
Italy	40.9 yrs	41.5 yrs	40.3 yrs

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

Roisan Population Density

Population Density: 2,301 / km²

Location	Population	Area	Density
Roisan	719	0.313 km²	2,301 / km²
Italy	59.3 million	301,510.7 km²	197 / km²

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

Roisan Historical and Projected Population

Estimated Population from 0 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.

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

Roisan Gross Domestic Product (GDP)

GDP per capita, PPP (constant 2017 international $)

Data	1990	1995	2000	2005	2010	2015	2020	2022
GDP per capita	$47,640	$50,674	$55,964	$58,780	$57,723	$52,883	$49,057	$55,498
Total GDP	$129.8M	$142.9M	$167.1M	$196.8M	$218.7M	$209.7M	$187.4M	$208.9M

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

Roisan CO2 Emissions

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

Location	CO2 Emissions	CO2 Emissions Per Capita	CO2 Emissions Intensity
Roisan	5,618 tn	7.81 tn	17,977.5 tons/km²
Italy	399,008,505 tn	6.73 tn	1,323.4 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

Roisan CO2 Emissions

2013 CO2 emissions (tonnes/year)	5,618 tn
2013 CO2 emissions (tonnes/year) per capita	7.81 tn
2013 CO2 emissions intensity (tonnes/km²/year)	17,977.5 tons/km²

Natural Hazards Risk

Relative risk out of 10

Hazard	Risk Level
Flood	High (9)
Earthquake	Medium (4)

* 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. 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
10/1/16	11:17 PM	3.8	44.6 km	2,000 m	11km WNW of Evionnaz, Switzerland	usgs.gov
1/8/11	8:48 PM	3.4	60.1 km	6,600 m	Switzerland	usgs.gov
4/4/10	9:16 PM	3.6	17.4 km	7,100 m	northern Italy	usgs.gov
11/20/08	1:20 PM	3.4	41.8 km	2,000 m	Switzerland	usgs.gov
10/23/08	6:04 PM	3	11.6 km	5,000 m	northern Italy	usgs.gov
7/24/08	4:14 AM	3.3	43.3 km	2,000 m	Switzerland	usgs.gov
6/17/08	7:48 PM	3.5	59.7 km	4,800 m	Switzerland	usgs.gov
2/17/08	12:41 PM	4	18.4 km	8,400 m	Switzerland	usgs.gov
4/1/07	12:22 AM	3	38.8 km	2,000 m	Switzerland	usgs.gov
3/31/07	10:12 AM	3	13.8 km	5,000 m	northern Italy	usgs.gov

Source: U.S. Geological Survey (USGS)

Roisan

Roisan is a town and comune in the Aosta Valley region of north-western Italy. It is located on the left shore of the Buthier river, in the lower Valpelline.

Roisan Wikipedia Page

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About Our Data

The data on this page is estimated using a number of publicly available tools and resources. It is provided without warranty, and could contain inaccuracies. Use at your own risk.