Guidonia Montecelio: what to know before buying a home
A municipality in the province of Roma, Lazio. Official data on earthquakes, population, services and transport.
Liveability index free for any address
Land sheet 6 free checks
Search for an address in Guidonia Montecelio
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: Viale Roma 1, Guidonia Montecelio.
Guidonia Montecelio, an airfield town and a hilltop village
The double name describes two quite different places. Montecelio is the old village perched on one of the Cornicolani hills; Guidonia is the new town laid out on the plain in the 1930s around a military airfield that is still in use. The municipality lies north-east of Rome along the Via Tiburtina, between the capital and Tivoli.
Around the two centres, residential districts have spread out, each with its own character: Villalba, Villanova, Setteville, Colleverde, and Marco Simone with its golf course. Many residents work in Rome and drive in daily on the Tiburtina or the A24 motorway, and journey times depend heavily on which district you choose. On the plain towards Tivoli, travertine stone is quarried and the quarries mark the landscape.
Istat, the national statistics office, counted 88,992 residents in 2023, up 9.3% since 2011. The population is younger than the province of Rome as a whole: 19.3% are over 65 against 22.9%, and the average age is 43.7. Foreign residents make up 12.7%. Average declared incomes are below the provincial figure, although that figure is pulled up by the capital.
For earthquakes, Guidonia Montecelio is in seismic zone 2 (on Italy's scale zone 1 is the most hazardous and zone 4 the least), like 96 other municipalities in the province, with expected ground acceleration of about 0.152 g. The outlying districts are mostly detached houses and small blocks from recent decades, often extended over time, so ask for the structural drawings and check that added floors and enclosed verandas were properly authorised.
Between the plain, criss-crossed by ditches running down towards the river Aniene, and the slopes below Montecelio, ground conditions vary street by street. Landslide and flood hazard are therefore read for the individual address, not as an average for the municipality.
Key points
- Two centres: the old village of Montecelio and the 1930s town of Guidonia.
- 88,992 residents, up 9.3% since 2011.
- Over-65s at 19.3%, fewer than in the province.
- Seismic zone 2, expected acceleration about 0.152 g.
Overview
Guidonia Montecelio is a municipality in the province of Roma, in Lazio. At the end of 2023 it had 88,992 residents, the second most populous in the province.
Earthquakes
For Italy's Civil Protection Department, Guidonia Montecelio is in seismic zone 2, a zone where strong earthquakes are possible. The region uses a finer breakdown: here the classification is 2B. Most municipalities in the province (97 of 121) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.152 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.
For anyone buying in Guidonia Montecelio, the building matters a great deal: ask for the design year, whether it met the 2008 seismic standards, and whether any seismic retrofit has been carried out.
Population
Compared with the 2011 census, the resident population has grown by 9.3%. The estimated average age is 44 years, lower than the province average (46). 19% of residents are over 65 (the regional figure is 23%). Foreign residents make up 12.7% of the population. On average, a household has 2.4 members.
Income and climate
In tax year 2024, taxpayers in Guidonia Montecelio declared an average taxable income of 23,699 euros, below the provincial average (28,682 euros). The Italian average is 24,895 euros.
Guidonia Montecelio is in climate zone D, with 1,561 heating degree days: heating may be switched on from 1 November to 15 April, for up to 12 hours a day. The same table puts the town hall at 105 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Guidonia Montecelio has 54 schools and 20 pharmacies. The Overture Maps data also lists 33 grocery shops and supermarkets, 55 healthcare facilities, 65 sports facilities and 11 parks and green areas.
There are 0.6 healthcare facilities per 1,000 residents, fewer than the province average (0.8).
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 25.0% of the land in Guidonia Montecelio, compared with 13.2% in the province and 8.2% in the region. In 2024 built-up land grew by 3.5 hectares.
Radon and contaminated sites
Official databases list 2 contaminated sites, or sites still under investigation, in Guidonia Montecelio. 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 Guidonia Montecelio: 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 Guidonia Montecelio 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 120 inhabited census areas in Guidonia Montecelio. Half of the residents live in areas scoring 65 or more.
Residents by band
- modest 1.1%
- fair 43.7%
- good 55.2%
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.
- 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 058047. The text on this page is generated automatically from the data.