Widnau
Municipality in the canton of St. Gallen · FSO no. 3238
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Widnau centerThe 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
- 1.5% of the canton
- Total area
- 4.2 km²
- 0.2% of the canton
- Median area
- 666 m²
- Canton: 950 m²
- Switzerland: 881 m²
- Built share
- 82.9%
- Canton: 66.4%
- Switzerland: 51%
- Median year built
- 1988
- Canton: 1977
- Switzerland: 1975
About Widnau
Widnau ranks 22nd of 75 municipalities in the canton of St. Gallen by number of parcels and holds 1.5% of the canton's parcels on 0.2% of its area. The median parcel in Widnau measures 666 m², smaller than the canton median of 950 m². Widnau is more built-up than the canton as a whole: 82.9% of its parcels have a building, against 66.4% 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 3’457 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
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Wohnzone W 10.5A | 739 | 0.48 km² | 95.0% |
| Wohnzone W 10.5 | 501 | 0.34 km² | 92.4% |
| Wohnzone W 13.5A | 478 | 0.44 km² | 92.5% |
| Wohnzone W 13.5 | 214 | 0.16 km² | 95.8% |
| Hinweis.Verkehrsflaeche iB | 189 | 0.41 km² | 2.6% |
| Wohn_Gewerbe_Zone WG 14 | 173 | 0.16 km² | 89.0% |
| Wohnzone W 16.5 | 167 | 0.16 km² | 92.2% |
| Landwirtschaftszone | 141 | 0.52 km² | 25.5% |
| Wohnzone W 9.5A | 99 | 0.08 km² | 98.0% |
| Zone_f_oeff_Bauten_u_Anlagen | 61 | 0.29 km² | 75.4% |
| Wohn_Gewerbe_Zone WG 17 | 43 | 0.08 km² | 97.7% |
| Arbeitszone A 17 | 42 | 0.14 km² | 81.0% |
| Other zones (13 labels) | 128 | 0.97 km² | 67.2% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 3’457 buildings with 4’825 dwellings here; 1’845 of them are single-family houses.
- Buildings
- 3’457
- Dwellings
- 4’825
- Single-family houses
- 1’845
- Building volume
- 5.5 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
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.
More municipalities in the canton of St. Gallen
- Altstätten6’326 parcels
- Eschenbach (SG)4’620 parcels
- Gossau (SG)4’448 parcels
- Grabs4’539 parcels
- Kirchberg (SG)4’390 parcels
- Mels4’672 parcels
- Neckertal4’826 parcels
- Oberriet (SG)6’114 parcels
- Rapperswil-Jona5’681 parcels
- St. Gallen11’898 parcels
- Wil (SG)5’496 parcels
- Wildhaus-Alt St. Johann4’500 parcels