Strangolagalli: what to know before buying a home
A municipality in the province of Frosinone, Lazio. Official data on earthquakes, population, services and transport.
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Strangolagalli, a low hill village in Ciociaria
Strangolagalli is a small municipality in the province of Frosinone, in the part of southern Lazio known as Ciociaria. The village sits on a low hill, with its old core gathered at the top and newer houses spread along the roads that run down into farmland, among olive groves and small cultivated plots.
The odd name tends to catch people's eye, but buyers have other things to weigh up. The historic centre is made of stone buildings pressed against each other, with steps and narrow lanes. They lend themselves to restoration, provided you check the roof, damp and whether a car can get close. Outside the core, detached houses with a patch of land are the usual choice for anyone who wants space. For work, offices and larger services, people look to the provincial capital and the bigger towns nearby.
According to Istat, Italy's national statistics office, there were 2,274 residents in 2023, down 9.1% on the 2011 census. The average age is 46.2, slightly below the provincial 46.8, and foreign residents make up 4.4%. Declared incomes are below the provincial average. Winters are mild, in climate zone D.
On earthquakes, Strangolagalli is in seismic zone 2 of the national scale kept by the Protezione Civile (Civil Protection Department), like 58 other municipalities in the province, with an expected ground acceleration of 0.175 g in the built-up area. With a masonry house a few decades old, ask whether any strengthening work has been done and see the paperwork. The report for the address adds the official landslide and flood maps for that exact spot.
Key points
- Low hill village in Ciociaria, province of Frosinone.
- 2,274 residents, down 9.1% since 2011.
- Seismic zone 2, expected acceleration 0.175 g.
- Stone houses in the old centre, to be judged one by one.
Overview
Strangolagalli is a municipality in the province of Frosinone, in Lazio. At the end of 2023 it had 2,274 residents, ranked 51 of 91 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Strangolagalli 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 (59 of 91) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.175 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.
For anyone buying in Strangolagalli, 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 fallen by 9.1%. The estimated average age is 46 years, in line with the province. 24% of residents are over 65 (the regional figure is 23%). Foreign residents make up 4.4% of the population. On average, a household has 2.5 members.
Income and climate
In tax year 2024, taxpayers in Strangolagalli declared an average taxable income of 17,929 euros, below the provincial average (21,514 euros). The Italian average is 24,895 euros.
Strangolagalli is in climate zone D, with 1,830 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 232 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Strangolagalli has 3 schools and 1 pharmacy. The Overture Maps data also lists 5 grocery shops and supermarkets and 2 sports facilities.
The data shows no healthcare facilities within the municipality, against a provincial average of 0.6 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 10.4% of the land in Strangolagalli, compared with 6.9% 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 one contaminated site, or site still under investigation, in Strangolagalli. 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 Strangolagalli: 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 Strangolagalli 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 42 inhabited census areas in Strangolagalli. Half of the residents live in areas scoring 65 or more.
Residents by band
- fair 44.7%
- good 55.3%
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 060075. The text on this page is generated automatically from the data.