Valais, Switzerland

Monthey cadastral map: plots, homes and population

Monthey had 19,351 residents at the end of 2025 and 9,681 homes, 9.5% of them second homes.

Tap a plot in Monthey (Switzerland) on the map to see its size, dimensions and sun exposure.

Open the Monthey map

Housing in Monthey

Official figures for the municipality of Monthey, canton of Valais.

Residents, end of 2025
19,351
Homes
9,681
Second homes
9.5%
New homes 2020–2024
656
per 1,000 residents: 33.9
Density
674
residents per km²
Municipal area
28.7 km²

Change since the end of 2024: +1.5% (Switzerland: +0.8%).

From 2020 to 2024, 656 new homes were built in Monthey, 33.9 per 1,000 residents (Switzerland: 24.9).

Sources: Swiss Federal Statistical Office, STATPOP (permanent resident population at 31 December 2024 and 2025) and construction and housing statistics; Federal Office for Spatial Development, housing inventory (March 2026); swisstopo, swissBOUNDARIES3D. Free use with the source cited.

Population

19,351

Sun exposure

N · E · S · W

Source

Mensuration officielle (swisstopo)

Frequently asked questions

What share of homes in Monthey are second homes?

9.5% of the 9,681 homes in Monthey are second homes (Federal Office for Spatial Development housing inventory, March 2026), against 15% across Switzerland.

How many homes are being built in Monthey?

From 2020 to 2024, 656 new homes were built in Monthey, 33.9 per 1,000 residents (Switzerland: 24.9). Change since the end of 2024: +1.5% (Switzerland: +0.8%).

Are there official property prices for Monthey?

Switzerland publishes no open sale prices by municipality. Some cantons, such as Zurich, Geneva and Vaud, publish their own transaction statistics. OpenParcels shows the official population and housing figures and every plot of the official cadastral survey.

How do I find the size of a plot in Monthey?

Open the map, zoom into Monthey and tap the plot: its area, perimeter and dimensions appear instantly in m² or sq ft.

Is the Monthey land registry free to browse?

Yes. It is free with no sign-up. Data comes from official cadastral sources where available and OpenStreetMap elsewhere.

How can I tell if a garden gets good sun?

Each plot card has a sun compass showing which way the garden or main façade faces (due south, west…), computed from the plot and building shapes.

Neighbouring municipalities