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St. Margrethen

Municipality in the canton of St. Gallen · FSO no. 3236

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

Open map at the St. Margrethen center

The parcel data lists 1’960 parcels in St. Margrethen, covering 6.8 km². 72.2% of them have at least one registered building. The median parcel measures 696 m².

Key figures

Parcels
1’960
1% of the canton
Total area
6.8 km²

0.4% of the canton

Median area
696 m²

Canton: 938 m²

Switzerland: 870 m²

Built share
72.2%

Canton: 66.6%

Switzerland: 52%

Median year built
1975

Canton: 1977

Switzerland: 1976

About St. Margrethen

St. Margrethen is a municipality in the canton of St. Gallen and holds 1% of the canton's parcels in the data, on 0.4% of their area. The median parcel in St. Margrethen measures 696 m², smaller than the canton median of 938 m². St. Margrethen is more built-up than the canton as a whole: 72.2% of its parcels have a building, against 66.6% 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 2’133 buildings with 3’238 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: 544 (27.8%)

Parcels by zone

Parcels by zone, the 12 largest zones first
ZoneParcels
BauG_Wohnzone WE4100.35 km²89.0%
BauG_Wohnzone W23040.19 km²90.1%
BauG_Wohn-Gewerbezone WG32510.22 km²86.9%
BauG_Landwirtschaftszone1901.82 km²32.1%
BauG_Wohn-Gewerbezone WG21260.10 km²84.9%
BauG_Wohnzone W31250.10 km²93.6%
Hinweis.Verkehrsflaeche iB970.21 km²1.0%
BauG_Wohnzone W4750.07 km²60.0%
Hinweis.Wald621.94 km²22.6%
BauG_Kernzone K4520.05 km²86.5%
BauG_Zone für öffentliche Bauten und Anlagen460.14 km²63.0%
BauG_Industriezone IA430.27 km²74.4%
Other zones (15 labels)1791.36 km²60.3%

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

Building stock

The building register lists 2’133 buildings with 3’238 dwellings here; 824 of them are single-family houses.

Buildings
2’133
Dwellings
3’238
Single-family houses
824
Building volume
4.5 million m³

Buildings by category

  • Residential1’169
  • Mixed use75
  • Non-residential802
  • Other87

Construction periods

Built parcels by construction period of their newest building
  • Before 1920181
  • 1920-194568
  • 1946-1960196
  • 1961-1980311
  • 1981-2000317
  • 2001-2010125
  • 2011-2020109
  • 2021 and later50
  • Unknown year59

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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