San Giorio di Susa: what to know before buying a home
A municipality in the province of Torino, Piemonte. Official data on earthquakes, population, services and transport.
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Search for an address in San Giorio di Susa
The report looks at the exact point: landslide and flood risk, seismic zone, price per square metre for the area, services and nearby stops.
For example: Via Carlo Carli 1, San Giorio di Susa.
San Giorio di Susa, slopes and valley floor in the lower Susa Valley
In the lower Susa Valley, which climbs from Turin towards France, San Giorio di Susa takes in the floor of the Dora Riparia valley and the slopes that climb towards woods and summer pastures. This is genuine mountain country, even though the main village sits at around 400 metres: it is climate zone F, with long, cold winters. The railway and the Fréjus motorway run along the valley floor, linking the valley with Turin and France.
For buyers, the main choice is between houses down below, more convenient for services and transport, and those in the hamlets higher up, which are more isolated, often built of stone and timber, and suit people looking for peace and quiet or a weekend place. The latter need attention to access roads, snow clearing, water supply and heating costs.
In 2023 the municipality had 974 residents, down 6.3% on 2011 according to Istat, the national statistics office. The average age is 49.3, against 47.4 across the metropolitan area of Turin; over-65s are 29.3% and foreign residents 4.2%. Households average 2.02 people.
San Giorio di Susa is in seismic zone 3, as classified by the Civil Protection Department, like 271 of the 312 municipalities in the Turin area, and the expected ground acceleration in the built-up area is 0.134 g. For stone houses, having the walls and floors checked is money well spent.
Revenue Agency maps are published. From the address the report finds the land parcel and checks the official landslide and flood maps, a useful step in an area of slopes and mountain streams.
Key points
- Dora valley floor and upland hamlets in the lower Susa Valley.
- Climate zone F: long winters, heating matters.
- 974 residents in 2023, down 6.3% since 2011.
- Seismic zone 3, expected acceleration 0.134 g.
Overview
San Giorio di Susa is a municipality in the province of Torino, in Piemonte. At the end of 2023 it had 974 residents, ranked 200 of 312 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, San Giorio di Susa is in seismic zone 3, a zone where strong earthquakes are possible but rare. The region uses a finer breakdown: here the classification is 3S. Most municipalities in the province (271 of 312) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.134 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.
Even in zone 3, seismic standards apply to new buildings: for an older building, ask about the design year and any structural work.
Population
Compared with the 2011 census, the resident population has fallen by 6.3%. The estimated average age is 49 years, higher than the province average (47). 29% of residents are over 65 (the regional figure is 27%). Foreign residents make up 4.2% of the population. On average, a household has 2.0 members.
Income and climate
In tax year 2024, taxpayers in San Giorio di Susa declared an average taxable income of 23,971 euros, below the provincial average (27,231 euros). The Italian average is 24,895 euros.
San Giorio di Susa is in climate zone F, with 3,013 heating degree days, with no limits on when heating may be used. The same table puts the town hall at 420 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, San Giorio di Susa has 2 schools and 1 pharmacy. The Overture Maps data also lists 1 green area.
The data shows no grocery shops and supermarkets within the municipality, against a provincial average of 0.5 per 1,000 residents.
Public transport
We do not yet have open public transport timetables for this municipality: the report says so explicitly, without inventing distances.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 2.5% of the land in San Giorio di Susa, compared with 8.6% in the province and 6.7% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
San Giorio di Susa is not among the radon priority areas designated by the Regione Piemonte in 2023. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.
Official databases list no contaminated sites in San Giorio di Susa.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within San Giorio di Susa: the report checks the address against the ISPRA maps.
House prices
The Revenue Agency's price ranges per square metre (OMI) apply to zones, not to whole municipalities: the report gives the range for the address's zone.
Land registry
The cadastral maps for San Giorio di Susa are public: from the address the report finds the sheet and parcel number.
Liveability area by area
The Vicinalia liveability index runs from 0 to 100 and looks at the place, not the people who live there: services within walking distance, transport, green space, natural hazards, air, quiet, buildings and connection. Here it is worked out at the centre of each of the 14 inhabited census areas in San Giorio di Susa. Half of the residents live in areas scoring 60 or more.
Residents by band
- fair 80.0%
- good 20.0%
Vicinalia index by census area, licence CC BY-SA 4.0. Data: IdroGEO ISPRA (2026), Istat, INGV, EEA, AGCOM, Overture Maps and OpenStreetMap.
The colour is the value at the centre of the area. For an exact address, search for it above: the free check looks at that exact point. How the index is worked out
Data sources
- Seismic classification of municipalities, Dipartimento della Protezione Civile. Licence CC BY 4.0, updated to 2025-05.
- MPS04 seismic hazard model, INGV. Licence CC BY 4.0, 2004 model.
- Data by census section, Istat. Licence CC BY 4.0, residents at the end of 2023, compared with the 2011 census.
- Places, Overture Maps Foundation. Licence CDLA Permissive 2.0 and others depending on provider, release 2026-10-21.0.
- Income and main IRPEF variables by municipality, MEF, Dipartimento delle Finanze. Licence CC BY 3.0 IT, tax year 2024.
- Climate zones and heating degree days of municipalities (Presidential Decree 412/1993, Annex A), Normattiva. Licence CC BY 4.0, current text.
- Land take, territorial dynamics and ecosystem services, ISPRA e SNPA. Licence CC BY 4.0, 2024 data.
- Predictive radon map by municipality, ISPRA. Licence CC BY 4.0, version 2022-11.
- Radon priority areas (Legislative Decree 101/2020), Regione Piemonte, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2023.
- Contaminated sites, Regione Piemonte, Anagrafe regionale dei siti contaminati (ASCO). Licence CC BY 4.0, updated to 9 November 2026.
- Liveability index by census area, Vicinalia, from the data in the report sections. Licence CC BY-SA 4.0, worked out on 30 September 2026.
- List of Italian municipalities, Istat. Licence CC BY 4.0, updated to 21 February 2026.
ISTAT code 001245. The text on this page is generated automatically from the data.