Rorschach
Municipality in the canton of St. Gallen · FSO no. 3215
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Rorschach centerThe parcel data lists 1’513 parcels in Rorschach, covering 2.3 km². 79.2% of them have at least one registered building. The median parcel measures 480 m².
Key figures
- Parcels
- 1’513
- 0.8% of the canton
- Total area
- 2.3 km²
- 0.1% of the canton
- Median area
- 480 m²
- Canton: 950 m²
- Switzerland: 881 m²
- Built share
- 79.2%
- Canton: 66.4%
- Switzerland: 51%
- Median year built
- 1953
- Canton: 1977
- Switzerland: 1975
About Rorschach
Rorschach ranks 57th of 75 municipalities in the canton of St. Gallen by number of parcels and holds 0.8% of the canton's parcels on 0.1% of its area. The median parcel in Rorschach measures 480 m², smaller than the canton median of 950 m². Rorschach is more built-up than the canton as a whole: 79.2% of its parcels have a building, against 66.4% across the canton.
The zones with the most parcels are BauG Wohnzone W3 (24.5%), BauG Wohnzone W2 (15.3%) and BauG übriges Gemeindegebiet Strasse Weg (12.8%). In total, Rorschach uses 21 zone designations.
According to the building register, Rorschach has 1’911 buildings with 5’883 dwellings, 3.1 dwellings per building on average. Most residential buildings hold several dwellings: single-family houses make up only 26.3% of them. Non-residential buildings account for 33.1% of all buildings.
Built parcels most often have their newest building from before 1920 (33.5% of them), and 10.9% have one from 2001 or later. The median year built, 1953, is earlier than in the canton as a whole (1977).
Built and unbuilt parcels
Built: 1’199 (79.2%)
Unbuilt: 314 (20.8%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| BauG_Wohnzone W3 | 370 | 0.28 km² | 95.4% |
| BauG_Wohnzone W2 | 232 | 0.15 km² | 91.4% |
| BauG_übriges Gemeindegebiet Strasse_Weg | 193 | 0.26 km² | 4.1% |
| BauG_Wohn-Gewerbezone WG3 | 192 | 0.13 km² | 87.5% |
| BauG_Kernzone K5 | 132 | 0.07 km² | 81.1% |
| BauG_Kernzone Altstadt | 92 | 0.04 km² | 93.5% |
| BauG_zentrumsnahes Wohnen WZ4 | 65 | 0.03 km² | 98.5% |
| BauG_Wohn-Gewerbezone WG4 | 55 | 0.05 km² | 92.7% |
| BauG_Zone für öffentliche Bauten und Anlagen | 43 | 0.30 km² | 88.4% |
| BauG_Gewerbe-Industriezone GI A | 37 | 0.09 km² | 97.3% |
| BauG_zentrumsnahes Wohnen WZ3 | 34 | 0.02 km² | 97.1% |
| BauG_Wohnzone W4 | 23 | 0.05 km² | 87.0% |
| Other zones (9 labels) | 45 | 0.84 km² | 51.1% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 1’911 buildings with 5’883 dwellings here; 280 of them are single-family houses.
- Buildings
- 1’911
- Dwellings
- 5’883
- Single-family houses
- 280
- Building volume
- 4.6 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Rorschach
geopool works as a GIS and geoportal for Rorschach. 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
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