Ponzano Romano: 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 Ponzano Romano
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: Contrada Sant'Angelo 1, Ponzano Romano.
Ponzano Romano, a hilltop on the Tiber below Mount Soratte
On the northern edge of the Rome metropolitan area, Ponzano Romano sits on a rise above the Tiber valley. Mount Soratte is close by, and across the river the Sabine hills begin. Lower down, towards the Tiber, stands the Romanesque church of Sant'Andrea in Flumine.
Commuters to Rome rely mainly on the A1 motorway, which has a junction nearby called Ponzano Romano-Soratte. The old village is packed onto the top of the hill, with stone houses built against one another and narrow lanes; in the countryside around it there are farmhouses and detached houses with land. For supermarkets, hospital and secondary schools, people go to the larger towns in the valley.
Unlike many inland villages, this one has gained people: 1,245 residents in 2023, 87 more than at the 2011 census run by Istat, the national statistics office, a rise of 7.5%. The average age is 45.4, slightly below 46.0 for the province, and foreign nationals make up 21.7% of residents. Households have 1.96 members on average. Declared incomes are below the provincial average.
Ponzano Romano is in seismic zone 2, along with 96 other municipalities in the province, with an expected ground acceleration in the built-up area of about 0.144 g. In the masonry houses of the old village, ask whether the roof has been rebuilt with a reinforced ring beam and whether the walls have been strengthened.
The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps for the municipality, so the report goes from the address to the land parcel. Conditions differ between the hilltop and the land near the river, and landslide and flood hazard are read on the official maps for each point.
Key points
- Hill village on the Tiber, close to the Ponzano Romano-Soratte A1 junction.
- 1,245 residents, up 7.5% since 2011.
- Foreign nationals at 21.7%, average age 45.4.
- Seismic zone 2, expected acceleration 0.144 g.
Overview
Ponzano Romano is a municipality in the province of Roma, in Lazio. At the end of 2023 it had 1,245 residents, ranked 88 of 121 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Ponzano Romano 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 0.144 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.
For anyone buying in Ponzano Romano, 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 7.5%. The estimated average age is 45 years, in line with the province. 21% of residents are over 65 (the regional figure is 23%). Foreign residents make up 21.7% of the population. On average, a household has 2.0 members.
Income and climate
In tax year 2024, taxpayers in Ponzano Romano declared an average taxable income of 20,332 euros, below the provincial average (28,682 euros). The Italian average is 24,895 euros.
Ponzano Romano is in climate zone D, with 1,828 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 205 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Ponzano Romano has 2 schools and 1 pharmacy. The Overture Maps data also lists 2 sports facilities.
The data shows no grocery shops and supermarkets within the municipality, against a provincial average of 0.4 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 5.0% of the land in Ponzano Romano, compared with 13.2% in the province and 8.2% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
According to the ISPRA map, the estimated radon emission in the municipality is medium. 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 Ponzano Romano.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Ponzano Romano: 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 Ponzano Romano 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 7 inhabited census areas in Ponzano Romano. Half of the residents live in areas scoring 60 or more.
Residents by band
- modest 0.1%
- fair 99.9%
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 058080. The text on this page is generated automatically from the data.