Diepoldsau
Municipality in the canton of St. Gallen · FSO no. 3234
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Diepoldsau centerThe parcel data lists 2’587 parcels in Diepoldsau, covering 11.2 km². 70.4% of them have at least one registered building. The median parcel measures 803 m².
Key figures
- Parcels
- 2’587
- 1.3% of the canton
- Total area
- 11.2 km²
- 0.6% of the canton
- Median area
- 803 m²
- Canton: 950 m²
- Switzerland: 881 m²
- Built share
- 70.4%
- Canton: 66.4%
- Switzerland: 51%
- Median year built
- 1989
- Canton: 1977
- Switzerland: 1975
About Diepoldsau
Diepoldsau ranks 28th of 75 municipalities in the canton of St. Gallen by number of parcels and holds 1.3% of the canton's parcels on 0.6% of its area. The median parcel in Diepoldsau measures 803 m², smaller than the canton median of 950 m². Diepoldsau is about as built-up as the canton as a whole: 70.4% of its parcels have a building, against 66.4% across the canton.
The zones with the most parcels are BauG Wohnzone W2b (25%), BauG Wohn-Gewerbezone WG2 (19.3%) and BauG Landwirtschaftszone (15.3%). In total, Diepoldsau uses 22 zone designations.
According to the building register, Diepoldsau has 2’972 buildings with 3’088 dwellings, 1.0 dwellings per building on average. Most residential buildings are single-family houses (80.4%). Non-residential buildings account for 40.2% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (29.5% of them), and 30.6% have one from 2001 or later. The median year built, 1989, is more recent than in the canton as a whole (1977).
Built and unbuilt parcels
Built: 1’820 (70.4%)
Unbuilt: 767 (29.6%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| BauG_Wohnzone W2b | 648 | 0.47 km² | 90.1% |
| BauG_Wohn-Gewerbezone WG2 | 499 | 0.38 km² | 91.6% |
| BauG_Landwirtschaftszone | 397 | 5.98 km² | 27.0% |
| BauG_Wohnzone W2a | 282 | 0.20 km² | 94.3% |
| BauG_übriges Gemeindegebiet allg | 160 | 0.70 km² | 56.9% |
| Hinweis.Verkehrsflaeche aB | 112 | 0.34 km² | 1.8% |
| Hinweis.Verkehrsflaeche iB | 97 | 0.14 km² | 1.0% |
| BauG_Wohn-Gewerbezone WG3 | 83 | 0.13 km² | 85.5% |
| BauG_Wohnzone W3 | 77 | 0.08 km² | 85.7% |
| BauG_Gewerbe-Industriezone GI B | 75 | 0.25 km² | 86.7% |
| BauG_Dorfkernzone DK2 | 49 | 0.03 km² | 89.8% |
| Hinweis.Gewaesser | 29 | 1.80 km² | 20.7% |
| Other zones (10 labels) | 79 | 0.75 km² | 75.9% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 2’972 buildings with 3’088 dwellings here; 1’315 of them are single-family houses.
- Buildings
- 2’972
- Dwellings
- 3’088
- Single-family houses
- 1’315
- Building volume
- 3.8 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Diepoldsau
geopool works as a GIS and geoportal for Diepoldsau. 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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