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Widnau

Municipality in the canton of St. Gallen · FSO no. 3238

Parcel data from Jul 2025, statistics computed on 26 Sept 2026.

Open map at the Widnau center

The parcel data lists 2’975 parcels in Widnau, covering 4.2 km². 82.9% of them have at least one registered building. The median parcel measures 666 m².

Key figures

Parcels
2’975
1.6% of the canton
Total area
4.2 km²

0.2% of the canton

Median area
666 m²

Canton: 938 m²

Switzerland: 870 m²

Built share
82.9%

Canton: 66.6%

Switzerland: 52%

Median year built
1988

Canton: 1977

Switzerland: 1976

About Widnau

Widnau is a municipality in the canton of St. Gallen and holds 1.6% of the canton's parcels in the data, on 0.2% of their area. The median parcel in Widnau measures 666 m², smaller than the canton median of 938 m². Widnau is more built-up than the canton as a whole: 82.9% of its parcels have a building, against 66.6% across the canton.

The zones with the most parcels are Wohnzone W 10.5A (24.8%), Wohnzone W 10.5 (16.8%) and Wohnzone W 13.5A (16.1%). In total, Widnau uses 25 zone designations.

According to the building register, Widnau has 3’456 buildings with 4’825 dwellings, 1.4 dwellings per building on average. Most residential buildings are single-family houses (79.5%). Non-residential buildings account for 27.9% of all buildings.

Built parcels most often have their newest building from 1981 to 2000 (30.4% of them), and 28.3% have one from 2001 or later. The median year built, 1988, is more recent than in the canton as a whole (1977).

Built and unbuilt parcels

Built: 2’466 (82.9%)Unbuilt: 509 (17.1%)

Parcels by zone

Parcels by zone, the 12 largest zones first
ZoneParcels
Wohnzone W 10.5A7390.48 km²95.0%
Wohnzone W 10.55010.34 km²92.4%
Wohnzone W 13.5A4780.44 km²92.5%
Wohnzone W 13.52140.16 km²95.8%
Hinweis.Verkehrsflaeche iB1890.41 km²2.6%
Wohn_Gewerbe_Zone WG 141730.16 km²89.0%
Wohnzone W 16.51670.16 km²92.2%
Landwirtschaftszone1410.52 km²25.5%
Wohnzone W 9.5A990.08 km²98.0%
Zone_f_oeff_Bauten_u_Anlagen610.29 km²75.4%
Wohn_Gewerbe_Zone WG 17430.08 km²97.7%
Arbeitszone A 17420.14 km²81.0%
Other zones (13 labels)1280.97 km²67.2%

Zone names are the municipal designations. A canton lists each wording separately.

Building stock

The building register lists 3’456 buildings with 4’825 dwellings here; 1’845 of them are single-family houses.

Buildings
3’456
Dwellings
4’825
Single-family houses
1’845
Building volume
5.5 million m³

Buildings by category

  • Residential2’320
  • Mixed use58
  • Non-residential963
  • Other115

Construction periods

Built parcels by construction period of their newest building
  • Before 1920140
  • 1920-194577
  • 1946-1960186
  • 1961-1980592
  • 1981-2000749
  • 2001-2010416
  • 2011-2020225
  • 2021 and later57
  • Unknown year24

Maps and geodata for Widnau

geopool works as a GIS and geoportal for Widnau. Its parcel map shows the parcels of the official cadastral survey with their area, their zone from the municipal zoning plan and their buildings, on swisstopo maps. Building zones, the property map and the geodata of each parcel open on the geopool map. The ÖREB extract of a parcel (public-law restrictions on landownership) is in lookup.

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