Castello d'Agogna: what to know before buying a home
A municipality in the province of Pavia, Lombardia. Official data on earthquakes, population, services and transport.
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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 Milano 1, Castello d'Agogna.
Castello d'Agogna, on the Agogna near Mortara
Castello d'Agogna takes its name from the Agogna stream, which flows through its territory, and is a farming municipality in Lomellina, in the province of Pavia, near Mortara. The landscape is typical of the area: rice paddies, irrigation canals, poplar plantations and farmsteads, with a compact village along the main roads.
For many residents Mortara is the daily reference point for shops, schools and the railway station, while Vigevano and Pavia are reached by car. Homes for sale are mostly village houses with courtyards, detached houses and the occasional farmstead to restore. On the plain the water table is close to the surface, so check cellars and semi-basements. Climate zone E means cold, foggy winters. Declared incomes are just below the provincial average.
In 2023 there were 1,056 residents, down 3.2% on 2011 according to Istat, the national statistics office. The average age is 46.9, in line with the provincial 47.1, and over-65s are 24.2%. Households average 2.46 people and foreign nationals make up 10.6%.
Unlike most of the province of Pavia, where 157 municipalities are in seismic zone 3, Castello d'Agogna is in zone 4 together with 26 others. The expected ground acceleration in the built-up area is 0.041 g, a low value. For a village house, the roof, heating and electrics, and damp matter more than earthquake resistance.
The Revenue Agency (Agenzia delle Entrate) publishes cadastral maps, and the report finds the plot from the address. With the Agogna crossing the municipality, the official flood maps should be read for the exact address, especially for houses near the stream.
Key points
- Farming village in Lomellina, on the Agogna near Mortara.
- Seismic zone 4, expected acceleration 0.041 g.
- Households of 2.46 people, foreign nationals 10.6%.
- Houses near the Agogna: check flooding for the address.
Overview
Castello d'Agogna is a municipality in the province of Pavia, in Lombardia. At the end of 2023 it had 1,056 residents, ranked 96 of 184 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Castello d'Agogna is in seismic zone 4, the lowest-risk zone, where strong earthquakes are very rare. Only 27 of 184 municipalities in the province are in zone 4.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.041 g, a low value: the level with a 10% probability of being exceeded in 50 years, on rock.
In zone 4 the risk is low, but for an older building it is still worth asking about the state of the structure.
Population
Compared with the 2011 census, the resident population has fallen by 3.2%. The estimated average age is 47 years, in line with the province. 24% of residents are over 65 (the regional figure is 24%). Foreign residents make up 10.6% of the population. On average, a household has 2.5 members.
Income and climate
In tax year 2024, taxpayers in Castello d'Agogna declared an average taxable income of 25,522 euros, in line with the province (26,290 euros). The Italian average is 24,895 euros.
Castello d'Agogna is in climate zone E, with 2,641 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 106 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Castello d'Agogna has 2 schools and 2 pharmacies. The Overture Maps data also lists 1 healthcare facility and 4 sports facilities.
The data shows no grocery shops and supermarkets within the municipality, against a provincial average of 0.6 per 1,000 residents.
Public transport
The open timetables available for the area do not list any stops within the territory of Castello d'Agogna.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 9.8% of the land in Castello d'Agogna, compared with 9.6% in the province and 12.2% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
Castello d'Agogna is not among the radon priority areas designated by the Regione Lombardia in 2023. 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 Castello d'Agogna.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Castello d'Agogna: 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 Castello d'Agogna 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 14 inhabited census areas in Castello d'Agogna. Half of the residents live in areas scoring 66 or more.
Residents by band
- fair 5.0%
- good 95.0%
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.
- Public transport timetables (GTFS): Trenord, Regione Lombardia - Trenord, orari ferroviari (GTFS). Licence CC BY 4.0, version 20261111.
- 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 Lombardia, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2023.
- Contaminated sites, Regione Lombardia. Licence CC0 1.0 (pubblico dominio), updated to 14 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 018039. The text on this page is generated automatically from the data.