Islisberg
Municipality in the canton of Aargau · FSO no. 4084
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Islisberg centerThe parcel data lists 332 parcels in Islisberg, covering 1.7 km². 49.4% of them have at least one registered building. The median parcel measures 947 m².
Key figures
- Parcels
- 332
- 0.1% of the canton
- Total area
- 1.7 km²
- 0.1% of the canton
- Median area
- 947 m²
- Canton: 861 m²
- Switzerland: 881 m²
- Built share
- 49.4%
- Canton: 55.2%
- Switzerland: 51%
- Median year built
- 1998
- Canton: 1986
- Switzerland: 1975
About Islisberg
Islisberg ranks 192nd of 196 municipalities in the canton of Aargau by number of parcels and holds 0.1% of the canton's parcels on 0.1% of its area. The median parcel in Islisberg measures 947 m², about the same as the canton median of 861 m². Islisberg is less built-up than the canton as a whole: 49.4% of its parcels have a building, against 55.2% across the canton.
The zones with the most parcels are Landwirtschaftszone (26.5%), Wald (21.4%) and Dorfzone (15.7%). In total, Islisberg uses 9 zone designations.
According to the building register, Islisberg has 261 buildings with 309 dwellings, 1.2 dwellings per building on average. Most residential buildings are single-family houses (69.4%). Non-residential buildings account for 32.6% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (43.3% of them), and 37.2% have one from 2001 or later. The median year built, 1998, is more recent than in the canton as a whole (1986).
Built and unbuilt parcels
Built: 164 (49.4%)
Unbuilt: 168 (50.6%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 88 | 1.27 km² | 21.6% |
| Wald | 71 | 0.26 km² | 1.4% |
| Dorfzone | 52 | 0.03 km² | 80.8% |
| Wohnzone 2 Geschosse | 47 | 0.03 km² | 89.4% |
| Ein- und Zweifamilienhauszone 2 Geschosse | 44 | 0.03 km² | 86.4% |
| Kernzone | 20 | 0.01 km² | 90.0% |
| Zone für öffentliche Bauten und Anlagen | 7 | 0.01 km² | 42.9% |
| Kantonsstrasse | 2 | 0.01 km² | 0.0% |
| Magerwiesen | 1 | < 0.01 km² | 100.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 261 buildings with 309 dwellings here; 111 of them are single-family houses.
- Buildings
- 261
- Dwellings
- 309
- Single-family houses
- 111
- Building volume
- 320’857 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Islisberg
geopool works as a GIS and geoportal for Islisberg. 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.