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Buchs (SG)

Municipality in the canton of St. Gallen · FSO no. 3271

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

Open map at the Buchs (SG) center

The parcel data lists 3’373 parcels in Buchs (SG), covering 15.9 km². 74% of them have at least one registered building. The median parcel measures 712 m².

Key figures

Parcels
3’373
1.8% of the canton
Total area
15.9 km²

0.8% of the canton

Median area
712 m²

Canton: 938 m²

Switzerland: 870 m²

Built share
74%

Canton: 66.6%

Switzerland: 52%

Median year built
1975

Canton: 1977

Switzerland: 1976

About Buchs (SG)

Buchs (SG) is a municipality in the canton of St. Gallen and holds 1.8% of the canton's parcels in the data, on 0.8% of their area. The median parcel in Buchs (SG) measures 712 m², smaller than the canton median of 938 m². Buchs (SG) is more built-up than the canton as a whole: 74% of its parcels have a building, against 66.6% across the canton.

The zones with the most parcels are BauG Wohnzone W2 (35%), BauG Wohn-Gewerbezone WG2 (12.8%) and Hinweis.Verkehrsflaeche iB (9.7%). In total, Buchs (SG) uses 27 zone designations.

According to the building register, Buchs (SG) has 3’923 buildings with 7’026 dwellings, 1.8 dwellings per building on average. Most residential buildings are single-family houses (67.4%). Non-residential buildings account for 37.2% of all buildings.

Built parcels most often have their newest building from 1961 to 1980 (25.6% of them), and 19.1% 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: 2’496 (74%)Unbuilt: 877 (26%)

Parcels by zone

Parcels by zone, the 12 largest zones first
ZoneParcels
BauG_Wohnzone W21’1800.82 km²93.0%
BauG_Wohn-Gewerbezone WG24320.31 km²92.4%
Hinweis.Verkehrsflaeche iB3260.35 km²0.3%
BauG_Wohn-Gewerbezone WG32220.20 km²94.1%
BauG_Landwirtschaftszone2217.63 km²50.7%
BauG_Wohnzone W32050.23 km²95.1%
Hinweis.Wald982.45 km²12.2%
BauG_Wohnzone W4870.18 km²94.3%
BauG_Zone für öffentliche Bauten und Anlagen840.57 km²79.8%
BauG_Industriezone IA740.46 km²82.4%
BauG_Wohn-Gewerbezone WG4690.10 km²94.2%
Hinweis.Verkehrsflaeche aB570.67 km²5.3%
Other zones (15 labels)3181.97 km²60.7%

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

Building stock

The building register lists 3’923 buildings with 7’026 dwellings here; 1’489 of them are single-family houses.

Buildings
3’923
Dwellings
7’026
Single-family houses
1’489
Building volume
7.1 million m³

Buildings by category

  • Residential2’209
  • Mixed use134
  • Non-residential1’460
  • Other120

Construction periods

Built parcels by construction period of their newest building
  • Before 1920328
  • 1920-1945173
  • 1946-1960271
  • 1961-1980639
  • 1981-2000528
  • 2001-2010191
  • 2011-2020205
  • 2021 and later80
  • Unknown year81

Maps and geodata for Buchs (SG)

geopool works as a GIS and geoportal for Buchs (SG). 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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