Skip to content
Vicinalia
Italiano Sign up

Ponza: what to know before buying a home

A municipality in the province of Latina, Lazio. Official data on earthquakes, population, services and transport.

Liveability index free for any address

Search for an address in Ponza

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 Conti 1, Ponza.

Ponza, the island and its districts from the port to Le Forna

Buying on Ponza means buying on an island: the municipality covers Ponza, the main island of the Pontine archipelago, plus the smaller islands of Palmarola, Zannone and Gavi, and is reached by ferry and hydrofoil from the Lazio coast, with Formia the main year-round link. Houses cluster around the port and in the Le Forna area further north, with scattered homes on the high ground.

The market is driven by summer tourism. Many houses are second homes or summer lets, with high prices for a municipality of this size and limited supply. If you plan to live here all year, think about winter: fewer crossings in rough seas, fewer shops open, and specialist healthcare on the mainland. Typical houses are small, white and terraced, often on steep ground and reached by steps.

There are 3,311 residents (2023), up 1.7% since 2011. The average age is 47.0, above that of Latina province (45.5), and over-65s make up 26.1% against 22.8%. Households are small, with 1.92 people on average. Foreign residents account for 9.5%. Average declared incomes are well below the provincial average.

Earthquakes are a minor issue: Ponza is in seismic zone 3 of the Civil Protection classification, with a low expected acceleration of about 0.046 g. For a house on a slope or near the high coast, the report checks the official landslide maps for the address, and before an offer it is also worth checking the planning paperwork.

Key points

  • Main island of the Pontine archipelago, linked to Formia.
  • Many holiday homes and high prices for its size.
  • 3,311 residents, households of 1.92.
  • Seismic zone 3, low acceleration: 0.046 g.

Overview

Ponza is a municipality in the province of Latina, in Lazio. At the end of 2023 it had 3,311 residents, ranked 24 of 33 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Ponza is in seismic zone 3, a zone where strong earthquakes are possible but rare. The region uses a finer breakdown: here the classification is 3B. Most municipalities in the province (30 of 33) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.046 g, a low 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 1.7%. The estimated average age is 47 years, in line with the province. 26% of residents are over 65 (the regional figure is 23%). Foreign residents make up 9.5% of the population. On average, a household has 1.9 members.

Income and climate

In tax year 2024, taxpayers in Ponza declared an average taxable income of 16,554 euros, below the provincial average (21,502 euros). The Italian average is 24,895 euros.

Ponza is in climate zone C, with 1,092 heating degree days: heating may be switched on from 15 November to 31 March, for up to 10 hours a day. The same table puts the town hall at 10 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Ponza has 5 schools and 2 pharmacies. The Overture Maps data also lists 7 grocery shops and supermarkets, 2 healthcare facilities and 3 sports facilities.

There are 2.1 grocery shops and supermarkets per 1,000 residents, more than the province average (0.6).

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 9.6% of the land in Ponza, compared with 10.1% in the province and 8.2% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Official databases list 4 contaminated sites, or sites still under investigation, in Ponza. 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 Ponza: 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 Ponza 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 26 inhabited census areas in Ponza. Half of the residents live in areas scoring 70 or more.

Residents by band

  • fair 36.9%
  • good 51.5%
  • very good 11.6%

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

ISTAT code 059018. The text on this page is generated automatically from the data.