St. Margrethen
Municipality in the canton of St. Gallen · FSO no. 3236
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the St. Margrethen centerThe parcel data lists 1’961 parcels in St. Margrethen, covering 6.9 km². 72.2% of them have at least one registered building. The median parcel measures 697 m².
Key figures
- Parcels
- 1’961
- 1% of the canton
- Total area
- 6.9 km²
- 0.3% of the canton
- Median area
- 697 m²
- Canton: 950 m²
- Switzerland: 881 m²
- Built share
- 72.2%
- Canton: 66.4%
- Switzerland: 51%
- Median year built
- 1975
- Canton: 1977
- Switzerland: 1975
About St. Margrethen
St. Margrethen ranks 43rd of 75 municipalities in the canton of St. Gallen by number of parcels and holds 1% of the canton's parcels on 0.3% of its area. The median parcel in St. Margrethen measures 697 m², smaller than the canton median of 950 m². St. Margrethen is more built-up than the canton as a whole: 72.2% of its parcels have a building, against 66.4% across the canton.
The zones with the most parcels are BauG Wohnzone WE (20.9%), BauG Wohnzone W2 (15.5%) and BauG Wohn-Gewerbezone WG3 (12.8%). In total, St. Margrethen uses 27 zone designations.
According to the building register, St. Margrethen has 2’132 buildings with 3’236 dwellings, 1.5 dwellings per building on average. Most residential buildings are single-family houses (70.5%). Non-residential buildings account for 37.6% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (22.4% of them), and 20.1% have one from 2001 or later. The median year built, 1975, is close to that of the canton as a whole (1977).
Built and unbuilt parcels
Built: 1’416 (72.2%)
Unbuilt: 545 (27.8%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| BauG_Wohnzone WE | 410 | 0.35 km² | 89.0% |
| BauG_Wohnzone W2 | 304 | 0.19 km² | 90.1% |
| BauG_Wohn-Gewerbezone WG3 | 251 | 0.22 km² | 86.9% |
| BauG_Landwirtschaftszone | 190 | 1.82 km² | 32.1% |
| BauG_Wohn-Gewerbezone WG2 | 126 | 0.10 km² | 84.9% |
| BauG_Wohnzone W3 | 125 | 0.10 km² | 93.6% |
| Hinweis.Verkehrsflaeche iB | 97 | 0.21 km² | 1.0% |
| BauG_Wohnzone W4 | 75 | 0.07 km² | 60.0% |
| Hinweis.Wald | 62 | 1.94 km² | 22.6% |
| BauG_Kernzone K4 | 52 | 0.05 km² | 86.5% |
| BauG_Zone für öffentliche Bauten und Anlagen | 46 | 0.14 km² | 63.0% |
| BauG_Industriezone IA | 43 | 0.27 km² | 74.4% |
| Other zones (15 labels) | 180 | 1.39 km² | 60.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 2’132 buildings with 3’236 dwellings here; 824 of them are single-family houses.
- Buildings
- 2’132
- Dwellings
- 3’236
- Single-family houses
- 824
- Building volume
- 4.5 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for St. Margrethen
geopool works as a GIS and geoportal for St. Margrethen. 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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