Illgau
Municipality in the canton of Schwyz · FSO no. 1363
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
The parcel data lists 458 parcels in Illgau, covering 11 km². 67.5% of them have at least one registered building. The median parcel measures 2’135 m².
Key figures
- Parcels
- 458
- 0.9% of the canton
- Total area
- 11 km²
1.2% of the canton
- Median area
- 2’135 m²
Canton: 819 m²
Switzerland: 870 m²
- Built share
- 67.5%
Canton: 71.6%
Switzerland: 52%
- Median year built
- 1975
Canton: 1988
Switzerland: 1976
About Illgau
Illgau ranks 27th of 30 municipalities in the canton of Schwyz by number of parcels and holds 0.9% of the canton's parcels on 1.2% of its area. The median parcel in Illgau measures 2’135 m², larger than the canton median of 819 m². Illgau is about as built-up as the canton as a whole: 67.5% of its parcels have a building, against 71.6% across the canton.
The zones with the most parcels are Landwirtschaftszone (43.4%), Wald (17%) and Wohnzone 2 Geschosse (12.7%). In total, Illgau uses 15 zone designations.
According to the building register, Illgau has 498 buildings with 394 dwellings, 0.8 dwellings per building on average. Most residential buildings hold several dwellings: single-family houses make up only 29.3% of them. Non-residential buildings account for 60.6% of all buildings.
Built parcels most often have their newest building from before 1920 (29.1% of them), and 23.6% have one from 2001 or later. The median year built, 1975, is earlier than in the canton as a whole (1988).
Built and unbuilt parcels
Built: 309 (67.5%)Unbuilt: 149 (32.5%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 199 | 7.54 km² | 73.4% |
| Wald | 78 | 2.18 km² | 34.6% |
| Wohnzone 2 Geschosse | 58 | 0.04 km² | 74.1% |
| Wohnzone 3 Geschosse | 30 | 0.02 km² | 86.7% |
| Kernzone | 26 | 0.01 km² | 80.8% |
| Wohn- und Gewerbezone 3 Geschosse | 26 | 0.02 km² | 88.5% |
| Verkehrsflächen innerhalb Bauzone | 10 | 0.01 km² | 10.0% |
| Wohn- und Gewerbezone 2 Geschosse | 10 | 0.02 km² | 50.0% |
| Zone für öffentliche Bauten und Anlagen | 9 | 0.01 km² | 88.9% |
| Alpwirtschaftszone | 4 | 0.61 km² | 100.0% |
| Gewässer | 3 | 0.01 km² | 0.0% |
| Landschaftsschutzzone | 2 | 0.41 km² | 100.0% |
| Other zones (3 labels) | 3 | 0.06 km² | 100.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 498 buildings with 394 dwellings here; 55 of them are single-family houses.
- Buildings
- 498
- Dwellings
- 394
- Single-family houses
- 55
- Building volume
- 538’864 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Illgau
geopool works as a GIS and geoportal for Illgau. 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 Illgau
- Building zones and density Illgauin room
- ÖREB extract Illgauin lookup
- Building age Illgauin roots
- Building heights and headroom Illgauin roofs
- Solar potential Illgauin soolar
- Points of interest and accessibility Illgauin scoore
- Tax rates Illgauin taxoo
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