Trogen
Municipality in the canton of Appenzell Ausserrhoden · FSO no. 3025
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
The parcel data lists 1’122 parcels in Trogen, covering 10 km². 67.8% of them have at least one registered building. The median parcel measures 1’110 m².
Key figures
- Parcels
- 1’122
- 4.1% of the canton
- Total area
- 10 km²
4.1% of the canton
- Median area
- 1’110 m²
Canton: 1’095 m²
Switzerland: 870 m²
- Built share
- 67.8%
Canton: 66.9%
Switzerland: 52%
- Median year built
- 1965
Canton: 1965
Switzerland: 1976
About Trogen
Trogen ranks 10th of 20 municipalities in the canton of Appenzell Ausserrhoden by number of parcels and holds 4.1% of the canton's parcels on 4.1% of its area. The median parcel in Trogen measures 1’110 m², about the same as the canton median of 1’095 m². Trogen is about as built-up as the canton as a whole: 67.8% of its parcels have a building, against 66.9% across the canton.
The zones with the most parcels are Landwirtschaftszone (36.5%), Wohnzone (25.1%) and Wald (16.2%). In total, Trogen uses 12 zone designations.
According to the building register, Trogen has 1’154 buildings with 1’020 dwellings, 0.9 dwellings per building on average. Most residential buildings are single-family houses (76.5%). Non-residential buildings account for 41.8% of all buildings.
Built parcels most often have their newest building from before 1920 (38.5% of them), and 13.3% have one from 2001 or later. The median year built, 1965, is the same as in the canton as a whole.
Built and unbuilt parcels
Built: 761 (67.8%)Unbuilt: 361 (32.2%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 410 | 5.94 km² | 74.4% |
| Wohnzone | 282 | 0.21 km² | 92.9% |
| Wald | 182 | 3.31 km² | 11.5% |
| Kernzone | 76 | 0.05 km² | 82.9% |
| Wohn- und Gewerbezone | 72 | 0.06 km² | 88.9% |
| übriges Gemeindegebiet | 32 | 0.13 km² | 18.8% |
| Gewerbezone | 22 | 0.06 km² | 63.6% |
| Zone für öffentliche Bauten und Anlagen | 22 | 0.20 km² | 72.7% |
| Grünzone nach altem Baugesetz | 17 | 0.04 km² | 41.2% |
| Gewässer | 3 | 0.02 km² | 0.0% |
| Grünzone im Baugebiet | 2 | 0.02 km² | 100.0% |
| Weilerzone | 2 | < 0.01 km² | 50.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 1’154 buildings with 1’020 dwellings here; 458 of them are single-family houses.
- Buildings
- 1’154
- Dwellings
- 1’020
- Single-family houses
- 458
- Building volume
- 1.3 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Trogen
geopool works as a GIS and geoportal for Trogen. 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.
Explore more data for Trogen
- Building zones and density Trogenin room
- ÖREB extract Trogenin lookup
- Building age Trogenin roots
- Building heights and headroom Trogenin roofs
- Solar potential Trogenin soolar
- Points of interest and accessibility Trogenin scoore
- Tax rates Trogenin taxoo
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