Saint-Christophe: what to know before buying a home
A municipality in the province of Valle d'Aosta/Vallée d'Aoste, Valle d'Aosta/Vallée d'Aoste. Official data on earthquakes, population, services and transport.
Liveability index free for any address
Land sheet 6 free checks
Search for an address in Saint-Christophe
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: Localita' Senin 6, Saint-Christophe.
Saint-Christophe, the sunny slope on Aosta's doorstep
Saint-Christophe adjoins Aosta on its eastern side and is, in practice, its continuation. The municipality climbs from the floor of the Dora Baltea valley, where the retail area, the main roads and the regional airport are, up to villages scattered over the south-facing slope among meadows, orchards and vineyards. The town hall stands at around 600 metres, in a sunny position that makes a real difference in winter.
For anyone working in Aosta it is a very convenient choice, and the market reflects that. There are detached houses, small blocks of flats and traditional stone houses in the villages, with prices to check for the specific address, because altitude, orientation and access vary a lot between the valley floor and the slope. As across the region, both Italian and French are spoken, and many place names are French.
In 2023 there were 3,468 residents, up 3.3% on 2011, according to Istat, the national statistics office. The average age is 46.1, slightly below the regional figure (47.0), and over-65s are 25.1%. Foreign residents are 3.6%. Average declared incomes are above the Aosta Valley average.
All 74 municipalities in the Aosta Valley are in seismic zone 3. In Saint-Christophe the expected ground acceleration is about 0.094 g, so for a stone house in the villages check the walls and how they are tied to the floors.
On mountain slopes, landslides and debris flows from streams are the thing to check for the exact spot, and the report uses the official maps. The Revenue Agency's cadastral maps are available.
Key points
- On Aosta's doorstep, from the valley floor to a south-facing slope.
- Population up 3.3% since 2011.
- Incomes above the regional average, average age 46.1.
- Seismic zone 3 like the whole region, acceleration 0.094 g.
Overview
Saint-Christophe is a municipality in the province of Valle d'Aosta/Vallée d'Aoste, in Valle d'Aosta/Vallée d'Aoste. At the end of 2023 it had 3,468 residents, among the most populous in the province (7 of 74).
Earthquakes
For Italy's Civil Protection Department, Saint-Christophe is in seismic zone 3, a zone where strong earthquakes are possible but rare. All 74 municipalities in the province are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.094 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 grown by 3.3%. The estimated average age is 46 years, in line with the province. 25% of residents are over 65 (the regional figure is 25%). Foreign residents make up 3.6% of the population. On average, a household has 2.1 members.
Income and climate
In tax year 2024, taxpayers in Saint-Christophe declared an average taxable income of 29,580 euros, above the provincial average (26,152 euros). The Italian average is 24,895 euros.
Saint-Christophe is in climate zone E, with 2,904 heating degree days: heating may be switched on from 15 October to 15 April, for up to 14 hours a day. The same table puts the town hall at 619 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Saint-Christophe has 4 schools and 1 pharmacy. The Overture Maps data also lists 6 grocery shops and supermarkets, 5 healthcare facilities and 12 sports facilities.
There are 1.4 healthcare facilities per 1,000 residents, more than the province average (0.5).
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 11.8% of the land in Saint-Christophe, compared with 2.2% in the province and 2.2% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
Saint-Christophe is not among the radon priority areas designated by the Regione Valle d'Aosta in 2026. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.
Official databases list 2 contaminated sites, or sites still under investigation, in Saint-Christophe, and one more has been cleaned up or closed. The report tells you whether one is close to the address.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Saint-Christophe: 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 Saint-Christophe 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 43 inhabited census areas in Saint-Christophe. Half of the residents live in areas scoring 57 or more.
Residents by band
- fair 94.4%
- good 5.6%
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 Valle d'Aosta, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2026.
- Contaminated sites, ISPRA, MOSAICO - Banca dati nazionale dei siti oggetto di procedimento di bonifica. Licence CC BY 4.0, updated to 12 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 007058. The text on this page is generated automatically from the data.